|  | /* | 
|  | *   USB Audio Driver for ALSA | 
|  | * | 
|  | *   Quirks and vendor-specific extensions for mixer interfaces | 
|  | * | 
|  | *   Copyright (c) 2002 by Takashi Iwai <tiwai@suse.de> | 
|  | * | 
|  | *   Many codes borrowed from audio.c by | 
|  | *	    Alan Cox (alan@lxorguk.ukuu.org.uk) | 
|  | *	    Thomas Sailer (sailer@ife.ee.ethz.ch) | 
|  | * | 
|  | *   Audio Advantage Micro II support added by: | 
|  | *	    Przemek Rudy (prudy1@o2.pl) | 
|  | * | 
|  | *   This program is free software; you can redistribute it and/or modify | 
|  | *   it under the terms of the GNU General Public License as published by | 
|  | *   the Free Software Foundation; either version 2 of the License, or | 
|  | *   (at your option) any later version. | 
|  | * | 
|  | *   This program is distributed in the hope that it will be useful, | 
|  | *   but WITHOUT ANY WARRANTY; without even the implied warranty of | 
|  | *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the | 
|  | *   GNU General Public License for more details. | 
|  | * | 
|  | *   You should have received a copy of the GNU General Public License | 
|  | *   along with this program; if not, write to the Free Software | 
|  | *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA | 
|  | */ | 
|  |  | 
|  | #include <linux/hid.h> | 
|  | #include <linux/init.h> | 
|  | #include <linux/slab.h> | 
|  | #include <linux/usb.h> | 
|  | #include <linux/usb/audio.h> | 
|  |  | 
|  | #include <sound/asoundef.h> | 
|  | #include <sound/core.h> | 
|  | #include <sound/control.h> | 
|  | #include <sound/hwdep.h> | 
|  | #include <sound/info.h> | 
|  | #include <sound/tlv.h> | 
|  |  | 
|  | #include "usbaudio.h" | 
|  | #include "mixer.h" | 
|  | #include "mixer_quirks.h" | 
|  | #include "mixer_scarlett.h" | 
|  | #include "mixer_us16x08.h" | 
|  | #include "helper.h" | 
|  |  | 
|  | struct std_mono_table { | 
|  | unsigned int unitid, control, cmask; | 
|  | int val_type; | 
|  | const char *name; | 
|  | snd_kcontrol_tlv_rw_t *tlv_callback; | 
|  | }; | 
|  |  | 
|  | /* This function allows for the creation of standard UAC controls. | 
|  | * See the quirks for M-Audio FTUs or Ebox-44. | 
|  | * If you don't want to set a TLV callback pass NULL. | 
|  | * | 
|  | * Since there doesn't seem to be a devices that needs a multichannel | 
|  | * version, we keep it mono for simplicity. | 
|  | */ | 
|  | static int snd_create_std_mono_ctl_offset(struct usb_mixer_interface *mixer, | 
|  | unsigned int unitid, | 
|  | unsigned int control, | 
|  | unsigned int cmask, | 
|  | int val_type, | 
|  | unsigned int idx_off, | 
|  | const char *name, | 
|  | snd_kcontrol_tlv_rw_t *tlv_callback) | 
|  | { | 
|  | struct usb_mixer_elem_info *cval; | 
|  | struct snd_kcontrol *kctl; | 
|  |  | 
|  | cval = kzalloc(sizeof(*cval), GFP_KERNEL); | 
|  | if (!cval) | 
|  | return -ENOMEM; | 
|  |  | 
|  | snd_usb_mixer_elem_init_std(&cval->head, mixer, unitid); | 
|  | cval->val_type = val_type; | 
|  | cval->channels = 1; | 
|  | cval->control = control; | 
|  | cval->cmask = cmask; | 
|  | cval->idx_off = idx_off; | 
|  |  | 
|  | /* get_min_max() is called only for integer volumes later, | 
|  | * so provide a short-cut for booleans */ | 
|  | cval->min = 0; | 
|  | cval->max = 1; | 
|  | cval->res = 0; | 
|  | cval->dBmin = 0; | 
|  | cval->dBmax = 0; | 
|  |  | 
|  | /* Create control */ | 
|  | kctl = snd_ctl_new1(snd_usb_feature_unit_ctl, cval); | 
|  | if (!kctl) { | 
|  | kfree(cval); | 
|  | return -ENOMEM; | 
|  | } | 
|  |  | 
|  | /* Set name */ | 
|  | snprintf(kctl->id.name, sizeof(kctl->id.name), name); | 
|  | kctl->private_free = snd_usb_mixer_elem_free; | 
|  |  | 
|  | /* set TLV */ | 
|  | if (tlv_callback) { | 
|  | kctl->tlv.c = tlv_callback; | 
|  | kctl->vd[0].access |= | 
|  | SNDRV_CTL_ELEM_ACCESS_TLV_READ | | 
|  | SNDRV_CTL_ELEM_ACCESS_TLV_CALLBACK; | 
|  | } | 
|  | /* Add control to mixer */ | 
|  | return snd_usb_mixer_add_control(&cval->head, kctl); | 
|  | } | 
|  |  | 
|  | static int snd_create_std_mono_ctl(struct usb_mixer_interface *mixer, | 
|  | unsigned int unitid, | 
|  | unsigned int control, | 
|  | unsigned int cmask, | 
|  | int val_type, | 
|  | const char *name, | 
|  | snd_kcontrol_tlv_rw_t *tlv_callback) | 
|  | { | 
|  | return snd_create_std_mono_ctl_offset(mixer, unitid, control, cmask, | 
|  | val_type, 0 /* Offset */, name, tlv_callback); | 
|  | } | 
|  |  | 
|  | /* | 
|  | * Create a set of standard UAC controls from a table | 
|  | */ | 
|  | static int snd_create_std_mono_table(struct usb_mixer_interface *mixer, | 
|  | const struct std_mono_table *t) | 
|  | { | 
|  | int err; | 
|  |  | 
|  | while (t->name != NULL) { | 
|  | err = snd_create_std_mono_ctl(mixer, t->unitid, t->control, | 
|  | t->cmask, t->val_type, t->name, t->tlv_callback); | 
|  | if (err < 0) | 
|  | return err; | 
|  | t++; | 
|  | } | 
|  |  | 
|  | return 0; | 
|  | } | 
|  |  | 
|  | static int add_single_ctl_with_resume(struct usb_mixer_interface *mixer, | 
|  | int id, | 
|  | usb_mixer_elem_resume_func_t resume, | 
|  | const struct snd_kcontrol_new *knew, | 
|  | struct usb_mixer_elem_list **listp) | 
|  | { | 
|  | struct usb_mixer_elem_list *list; | 
|  | struct snd_kcontrol *kctl; | 
|  |  | 
|  | list = kzalloc(sizeof(*list), GFP_KERNEL); | 
|  | if (!list) | 
|  | return -ENOMEM; | 
|  | if (listp) | 
|  | *listp = list; | 
|  | list->mixer = mixer; | 
|  | list->id = id; | 
|  | list->resume = resume; | 
|  | kctl = snd_ctl_new1(knew, list); | 
|  | if (!kctl) { | 
|  | kfree(list); | 
|  | return -ENOMEM; | 
|  | } | 
|  | kctl->private_free = snd_usb_mixer_elem_free; | 
|  | /* don't use snd_usb_mixer_add_control() here, this is a special list element */ | 
|  | return snd_usb_mixer_add_list(list, kctl, false); | 
|  | } | 
|  |  | 
|  | /* | 
|  | * Sound Blaster remote control configuration | 
|  | * | 
|  | * format of remote control data: | 
|  | * Extigy:       xx 00 | 
|  | * Audigy 2 NX:  06 80 xx 00 00 00 | 
|  | * Live! 24-bit: 06 80 xx yy 22 83 | 
|  | */ | 
|  | static const struct rc_config { | 
|  | u32 usb_id; | 
|  | u8  offset; | 
|  | u8  length; | 
|  | u8  packet_length; | 
|  | u8  min_packet_length; /* minimum accepted length of the URB result */ | 
|  | u8  mute_mixer_id; | 
|  | u32 mute_code; | 
|  | } rc_configs[] = { | 
|  | { USB_ID(0x041e, 0x3000), 0, 1, 2, 1,  18, 0x0013 }, /* Extigy       */ | 
|  | { USB_ID(0x041e, 0x3020), 2, 1, 6, 6,  18, 0x0013 }, /* Audigy 2 NX  */ | 
|  | { USB_ID(0x041e, 0x3040), 2, 2, 6, 6,  2,  0x6e91 }, /* Live! 24-bit */ | 
|  | { USB_ID(0x041e, 0x3042), 0, 1, 1, 1,  1,  0x000d }, /* Usb X-Fi S51 */ | 
|  | { USB_ID(0x041e, 0x30df), 0, 1, 1, 1,  1,  0x000d }, /* Usb X-Fi S51 Pro */ | 
|  | { USB_ID(0x041e, 0x3237), 0, 1, 1, 1,  1,  0x000d }, /* Usb X-Fi S51 Pro */ | 
|  | { USB_ID(0x041e, 0x3263), 0, 1, 1, 1,  1,  0x000d }, /* Usb X-Fi S51 Pro */ | 
|  | { USB_ID(0x041e, 0x3048), 2, 2, 6, 6,  2,  0x6e91 }, /* Toshiba SB0500 */ | 
|  | }; | 
|  |  | 
|  | static void snd_usb_soundblaster_remote_complete(struct urb *urb) | 
|  | { | 
|  | struct usb_mixer_interface *mixer = urb->context; | 
|  | const struct rc_config *rc = mixer->rc_cfg; | 
|  | u32 code; | 
|  |  | 
|  | if (urb->status < 0 || urb->actual_length < rc->min_packet_length) | 
|  | return; | 
|  |  | 
|  | code = mixer->rc_buffer[rc->offset]; | 
|  | if (rc->length == 2) | 
|  | code |= mixer->rc_buffer[rc->offset + 1] << 8; | 
|  |  | 
|  | /* the Mute button actually changes the mixer control */ | 
|  | if (code == rc->mute_code) | 
|  | snd_usb_mixer_notify_id(mixer, rc->mute_mixer_id); | 
|  | mixer->rc_code = code; | 
|  | wmb(); | 
|  | wake_up(&mixer->rc_waitq); | 
|  | } | 
|  |  | 
|  | static long snd_usb_sbrc_hwdep_read(struct snd_hwdep *hw, char __user *buf, | 
|  | long count, loff_t *offset) | 
|  | { | 
|  | struct usb_mixer_interface *mixer = hw->private_data; | 
|  | int err; | 
|  | u32 rc_code; | 
|  |  | 
|  | if (count != 1 && count != 4) | 
|  | return -EINVAL; | 
|  | err = wait_event_interruptible(mixer->rc_waitq, | 
|  | (rc_code = xchg(&mixer->rc_code, 0)) != 0); | 
|  | if (err == 0) { | 
|  | if (count == 1) | 
|  | err = put_user(rc_code, buf); | 
|  | else | 
|  | err = put_user(rc_code, (u32 __user *)buf); | 
|  | } | 
|  | return err < 0 ? err : count; | 
|  | } | 
|  |  | 
|  | static __poll_t snd_usb_sbrc_hwdep_poll(struct snd_hwdep *hw, struct file *file, | 
|  | poll_table *wait) | 
|  | { | 
|  | struct usb_mixer_interface *mixer = hw->private_data; | 
|  |  | 
|  | poll_wait(file, &mixer->rc_waitq, wait); | 
|  | return mixer->rc_code ? EPOLLIN | EPOLLRDNORM : 0; | 
|  | } | 
|  |  | 
|  | static int snd_usb_soundblaster_remote_init(struct usb_mixer_interface *mixer) | 
|  | { | 
|  | struct snd_hwdep *hwdep; | 
|  | int err, len, i; | 
|  |  | 
|  | for (i = 0; i < ARRAY_SIZE(rc_configs); ++i) | 
|  | if (rc_configs[i].usb_id == mixer->chip->usb_id) | 
|  | break; | 
|  | if (i >= ARRAY_SIZE(rc_configs)) | 
|  | return 0; | 
|  | mixer->rc_cfg = &rc_configs[i]; | 
|  |  | 
|  | len = mixer->rc_cfg->packet_length; | 
|  |  | 
|  | init_waitqueue_head(&mixer->rc_waitq); | 
|  | err = snd_hwdep_new(mixer->chip->card, "SB remote control", 0, &hwdep); | 
|  | if (err < 0) | 
|  | return err; | 
|  | snprintf(hwdep->name, sizeof(hwdep->name), | 
|  | "%s remote control", mixer->chip->card->shortname); | 
|  | hwdep->iface = SNDRV_HWDEP_IFACE_SB_RC; | 
|  | hwdep->private_data = mixer; | 
|  | hwdep->ops.read = snd_usb_sbrc_hwdep_read; | 
|  | hwdep->ops.poll = snd_usb_sbrc_hwdep_poll; | 
|  | hwdep->exclusive = 1; | 
|  |  | 
|  | mixer->rc_urb = usb_alloc_urb(0, GFP_KERNEL); | 
|  | if (!mixer->rc_urb) | 
|  | return -ENOMEM; | 
|  | mixer->rc_setup_packet = kmalloc(sizeof(*mixer->rc_setup_packet), GFP_KERNEL); | 
|  | if (!mixer->rc_setup_packet) { | 
|  | usb_free_urb(mixer->rc_urb); | 
|  | mixer->rc_urb = NULL; | 
|  | return -ENOMEM; | 
|  | } | 
|  | mixer->rc_setup_packet->bRequestType = | 
|  | USB_DIR_IN | USB_TYPE_CLASS | USB_RECIP_INTERFACE; | 
|  | mixer->rc_setup_packet->bRequest = UAC_GET_MEM; | 
|  | mixer->rc_setup_packet->wValue = cpu_to_le16(0); | 
|  | mixer->rc_setup_packet->wIndex = cpu_to_le16(0); | 
|  | mixer->rc_setup_packet->wLength = cpu_to_le16(len); | 
|  | usb_fill_control_urb(mixer->rc_urb, mixer->chip->dev, | 
|  | usb_rcvctrlpipe(mixer->chip->dev, 0), | 
|  | (u8*)mixer->rc_setup_packet, mixer->rc_buffer, len, | 
|  | snd_usb_soundblaster_remote_complete, mixer); | 
|  | return 0; | 
|  | } | 
|  |  | 
|  | #define snd_audigy2nx_led_info		snd_ctl_boolean_mono_info | 
|  |  | 
|  | static int snd_audigy2nx_led_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) | 
|  | { | 
|  | ucontrol->value.integer.value[0] = kcontrol->private_value >> 8; | 
|  | return 0; | 
|  | } | 
|  |  | 
|  | static int snd_audigy2nx_led_update(struct usb_mixer_interface *mixer, | 
|  | int value, int index) | 
|  | { | 
|  | struct snd_usb_audio *chip = mixer->chip; | 
|  | int err; | 
|  |  | 
|  | err = snd_usb_lock_shutdown(chip); | 
|  | if (err < 0) | 
|  | return err; | 
|  |  | 
|  | if (chip->usb_id == USB_ID(0x041e, 0x3042)) | 
|  | err = snd_usb_ctl_msg(chip->dev, | 
|  | usb_sndctrlpipe(chip->dev, 0), 0x24, | 
|  | USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_OTHER, | 
|  | !value, 0, NULL, 0); | 
|  | /* USB X-Fi S51 Pro */ | 
|  | if (chip->usb_id == USB_ID(0x041e, 0x30df)) | 
|  | err = snd_usb_ctl_msg(chip->dev, | 
|  | usb_sndctrlpipe(chip->dev, 0), 0x24, | 
|  | USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_OTHER, | 
|  | !value, 0, NULL, 0); | 
|  | else | 
|  | err = snd_usb_ctl_msg(chip->dev, | 
|  | usb_sndctrlpipe(chip->dev, 0), 0x24, | 
|  | USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_OTHER, | 
|  | value, index + 2, NULL, 0); | 
|  | snd_usb_unlock_shutdown(chip); | 
|  | return err; | 
|  | } | 
|  |  | 
|  | static int snd_audigy2nx_led_put(struct snd_kcontrol *kcontrol, | 
|  | struct snd_ctl_elem_value *ucontrol) | 
|  | { | 
|  | struct usb_mixer_elem_list *list = snd_kcontrol_chip(kcontrol); | 
|  | struct usb_mixer_interface *mixer = list->mixer; | 
|  | int index = kcontrol->private_value & 0xff; | 
|  | unsigned int value = ucontrol->value.integer.value[0]; | 
|  | int old_value = kcontrol->private_value >> 8; | 
|  | int err; | 
|  |  | 
|  | if (value > 1) | 
|  | return -EINVAL; | 
|  | if (value == old_value) | 
|  | return 0; | 
|  | kcontrol->private_value = (value << 8) | index; | 
|  | err = snd_audigy2nx_led_update(mixer, value, index); | 
|  | return err < 0 ? err : 1; | 
|  | } | 
|  |  | 
|  | static int snd_audigy2nx_led_resume(struct usb_mixer_elem_list *list) | 
|  | { | 
|  | int priv_value = list->kctl->private_value; | 
|  |  | 
|  | return snd_audigy2nx_led_update(list->mixer, priv_value >> 8, | 
|  | priv_value & 0xff); | 
|  | } | 
|  |  | 
|  | /* name and private_value are set dynamically */ | 
|  | static const struct snd_kcontrol_new snd_audigy2nx_control = { | 
|  | .iface = SNDRV_CTL_ELEM_IFACE_MIXER, | 
|  | .info = snd_audigy2nx_led_info, | 
|  | .get = snd_audigy2nx_led_get, | 
|  | .put = snd_audigy2nx_led_put, | 
|  | }; | 
|  |  | 
|  | static const char * const snd_audigy2nx_led_names[] = { | 
|  | "CMSS LED Switch", | 
|  | "Power LED Switch", | 
|  | "Dolby Digital LED Switch", | 
|  | }; | 
|  |  | 
|  | static int snd_audigy2nx_controls_create(struct usb_mixer_interface *mixer) | 
|  | { | 
|  | int i, err; | 
|  |  | 
|  | for (i = 0; i < ARRAY_SIZE(snd_audigy2nx_led_names); ++i) { | 
|  | struct snd_kcontrol_new knew; | 
|  |  | 
|  | /* USB X-Fi S51 doesn't have a CMSS LED */ | 
|  | if ((mixer->chip->usb_id == USB_ID(0x041e, 0x3042)) && i == 0) | 
|  | continue; | 
|  | /* USB X-Fi S51 Pro doesn't have one either */ | 
|  | if ((mixer->chip->usb_id == USB_ID(0x041e, 0x30df)) && i == 0) | 
|  | continue; | 
|  | if (i > 1 && /* Live24ext has 2 LEDs only */ | 
|  | (mixer->chip->usb_id == USB_ID(0x041e, 0x3040) || | 
|  | mixer->chip->usb_id == USB_ID(0x041e, 0x3042) || | 
|  | mixer->chip->usb_id == USB_ID(0x041e, 0x30df) || | 
|  | mixer->chip->usb_id == USB_ID(0x041e, 0x3048))) | 
|  | break; | 
|  |  | 
|  | knew = snd_audigy2nx_control; | 
|  | knew.name = snd_audigy2nx_led_names[i]; | 
|  | knew.private_value = (1 << 8) | i; /* LED on as default */ | 
|  | err = add_single_ctl_with_resume(mixer, 0, | 
|  | snd_audigy2nx_led_resume, | 
|  | &knew, NULL); | 
|  | if (err < 0) | 
|  | return err; | 
|  | } | 
|  | return 0; | 
|  | } | 
|  |  | 
|  | static void snd_audigy2nx_proc_read(struct snd_info_entry *entry, | 
|  | struct snd_info_buffer *buffer) | 
|  | { | 
|  | static const struct sb_jack { | 
|  | int unitid; | 
|  | const char *name; | 
|  | }  jacks_audigy2nx[] = { | 
|  | {4,  "dig in "}, | 
|  | {7,  "line in"}, | 
|  | {19, "spk out"}, | 
|  | {20, "hph out"}, | 
|  | {-1, NULL} | 
|  | }, jacks_live24ext[] = { | 
|  | {4,  "line in"}, /* &1=Line, &2=Mic*/ | 
|  | {3,  "hph out"}, /* headphones */ | 
|  | {0,  "RC     "}, /* last command, 6 bytes see rc_config above */ | 
|  | {-1, NULL} | 
|  | }; | 
|  | const struct sb_jack *jacks; | 
|  | struct usb_mixer_interface *mixer = entry->private_data; | 
|  | int i, err; | 
|  | u8 buf[3]; | 
|  |  | 
|  | snd_iprintf(buffer, "%s jacks\n\n", mixer->chip->card->shortname); | 
|  | if (mixer->chip->usb_id == USB_ID(0x041e, 0x3020)) | 
|  | jacks = jacks_audigy2nx; | 
|  | else if (mixer->chip->usb_id == USB_ID(0x041e, 0x3040) || | 
|  | mixer->chip->usb_id == USB_ID(0x041e, 0x3048)) | 
|  | jacks = jacks_live24ext; | 
|  | else | 
|  | return; | 
|  |  | 
|  | for (i = 0; jacks[i].name; ++i) { | 
|  | snd_iprintf(buffer, "%s: ", jacks[i].name); | 
|  | err = snd_usb_lock_shutdown(mixer->chip); | 
|  | if (err < 0) | 
|  | return; | 
|  | err = snd_usb_ctl_msg(mixer->chip->dev, | 
|  | usb_rcvctrlpipe(mixer->chip->dev, 0), | 
|  | UAC_GET_MEM, USB_DIR_IN | USB_TYPE_CLASS | | 
|  | USB_RECIP_INTERFACE, 0, | 
|  | jacks[i].unitid << 8, buf, 3); | 
|  | snd_usb_unlock_shutdown(mixer->chip); | 
|  | if (err == 3 && (buf[0] == 3 || buf[0] == 6)) | 
|  | snd_iprintf(buffer, "%02x %02x\n", buf[1], buf[2]); | 
|  | else | 
|  | snd_iprintf(buffer, "?\n"); | 
|  | } | 
|  | } | 
|  |  | 
|  | /* EMU0204 */ | 
|  | static int snd_emu0204_ch_switch_info(struct snd_kcontrol *kcontrol, | 
|  | struct snd_ctl_elem_info *uinfo) | 
|  | { | 
|  | static const char * const texts[2] = {"1/2", "3/4"}; | 
|  |  | 
|  | return snd_ctl_enum_info(uinfo, 1, ARRAY_SIZE(texts), texts); | 
|  | } | 
|  |  | 
|  | static int snd_emu0204_ch_switch_get(struct snd_kcontrol *kcontrol, | 
|  | struct snd_ctl_elem_value *ucontrol) | 
|  | { | 
|  | ucontrol->value.enumerated.item[0] = kcontrol->private_value; | 
|  | return 0; | 
|  | } | 
|  |  | 
|  | static int snd_emu0204_ch_switch_update(struct usb_mixer_interface *mixer, | 
|  | int value) | 
|  | { | 
|  | struct snd_usb_audio *chip = mixer->chip; | 
|  | int err; | 
|  | unsigned char buf[2]; | 
|  |  | 
|  | err = snd_usb_lock_shutdown(chip); | 
|  | if (err < 0) | 
|  | return err; | 
|  |  | 
|  | buf[0] = 0x01; | 
|  | buf[1] = value ? 0x02 : 0x01; | 
|  | err = snd_usb_ctl_msg(chip->dev, | 
|  | usb_sndctrlpipe(chip->dev, 0), UAC_SET_CUR, | 
|  | USB_RECIP_INTERFACE | USB_TYPE_CLASS | USB_DIR_OUT, | 
|  | 0x0400, 0x0e00, buf, 2); | 
|  | snd_usb_unlock_shutdown(chip); | 
|  | return err; | 
|  | } | 
|  |  | 
|  | static int snd_emu0204_ch_switch_put(struct snd_kcontrol *kcontrol, | 
|  | struct snd_ctl_elem_value *ucontrol) | 
|  | { | 
|  | struct usb_mixer_elem_list *list = snd_kcontrol_chip(kcontrol); | 
|  | struct usb_mixer_interface *mixer = list->mixer; | 
|  | unsigned int value = ucontrol->value.enumerated.item[0]; | 
|  | int err; | 
|  |  | 
|  | if (value > 1) | 
|  | return -EINVAL; | 
|  |  | 
|  | if (value == kcontrol->private_value) | 
|  | return 0; | 
|  |  | 
|  | kcontrol->private_value = value; | 
|  | err = snd_emu0204_ch_switch_update(mixer, value); | 
|  | return err < 0 ? err : 1; | 
|  | } | 
|  |  | 
|  | static int snd_emu0204_ch_switch_resume(struct usb_mixer_elem_list *list) | 
|  | { | 
|  | return snd_emu0204_ch_switch_update(list->mixer, | 
|  | list->kctl->private_value); | 
|  | } | 
|  |  | 
|  | static struct snd_kcontrol_new snd_emu0204_control = { | 
|  | .iface = SNDRV_CTL_ELEM_IFACE_MIXER, | 
|  | .name = "Front Jack Channels", | 
|  | .info = snd_emu0204_ch_switch_info, | 
|  | .get = snd_emu0204_ch_switch_get, | 
|  | .put = snd_emu0204_ch_switch_put, | 
|  | .private_value = 0, | 
|  | }; | 
|  |  | 
|  | static int snd_emu0204_controls_create(struct usb_mixer_interface *mixer) | 
|  | { | 
|  | return add_single_ctl_with_resume(mixer, 0, | 
|  | snd_emu0204_ch_switch_resume, | 
|  | &snd_emu0204_control, NULL); | 
|  | } | 
|  |  | 
|  | /* ASUS Xonar U1 / U3 controls */ | 
|  |  | 
|  | static int snd_xonar_u1_switch_get(struct snd_kcontrol *kcontrol, | 
|  | struct snd_ctl_elem_value *ucontrol) | 
|  | { | 
|  | ucontrol->value.integer.value[0] = !!(kcontrol->private_value & 0x02); | 
|  | return 0; | 
|  | } | 
|  |  | 
|  | static int snd_xonar_u1_switch_update(struct usb_mixer_interface *mixer, | 
|  | unsigned char status) | 
|  | { | 
|  | struct snd_usb_audio *chip = mixer->chip; | 
|  | int err; | 
|  |  | 
|  | err = snd_usb_lock_shutdown(chip); | 
|  | if (err < 0) | 
|  | return err; | 
|  | err = snd_usb_ctl_msg(chip->dev, | 
|  | usb_sndctrlpipe(chip->dev, 0), 0x08, | 
|  | USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_OTHER, | 
|  | 50, 0, &status, 1); | 
|  | snd_usb_unlock_shutdown(chip); | 
|  | return err; | 
|  | } | 
|  |  | 
|  | static int snd_xonar_u1_switch_put(struct snd_kcontrol *kcontrol, | 
|  | struct snd_ctl_elem_value *ucontrol) | 
|  | { | 
|  | struct usb_mixer_elem_list *list = snd_kcontrol_chip(kcontrol); | 
|  | u8 old_status, new_status; | 
|  | int err; | 
|  |  | 
|  | old_status = kcontrol->private_value; | 
|  | if (ucontrol->value.integer.value[0]) | 
|  | new_status = old_status | 0x02; | 
|  | else | 
|  | new_status = old_status & ~0x02; | 
|  | if (new_status == old_status) | 
|  | return 0; | 
|  |  | 
|  | kcontrol->private_value = new_status; | 
|  | err = snd_xonar_u1_switch_update(list->mixer, new_status); | 
|  | return err < 0 ? err : 1; | 
|  | } | 
|  |  | 
|  | static int snd_xonar_u1_switch_resume(struct usb_mixer_elem_list *list) | 
|  | { | 
|  | return snd_xonar_u1_switch_update(list->mixer, | 
|  | list->kctl->private_value); | 
|  | } | 
|  |  | 
|  | static struct snd_kcontrol_new snd_xonar_u1_output_switch = { | 
|  | .iface = SNDRV_CTL_ELEM_IFACE_MIXER, | 
|  | .name = "Digital Playback Switch", | 
|  | .info = snd_ctl_boolean_mono_info, | 
|  | .get = snd_xonar_u1_switch_get, | 
|  | .put = snd_xonar_u1_switch_put, | 
|  | .private_value = 0x05, | 
|  | }; | 
|  |  | 
|  | static int snd_xonar_u1_controls_create(struct usb_mixer_interface *mixer) | 
|  | { | 
|  | return add_single_ctl_with_resume(mixer, 0, | 
|  | snd_xonar_u1_switch_resume, | 
|  | &snd_xonar_u1_output_switch, NULL); | 
|  | } | 
|  |  | 
|  | /* Digidesign Mbox 1 clock source switch (internal/spdif) */ | 
|  |  | 
|  | static int snd_mbox1_switch_get(struct snd_kcontrol *kctl, | 
|  | struct snd_ctl_elem_value *ucontrol) | 
|  | { | 
|  | ucontrol->value.enumerated.item[0] = kctl->private_value; | 
|  | return 0; | 
|  | } | 
|  |  | 
|  | static int snd_mbox1_switch_update(struct usb_mixer_interface *mixer, int val) | 
|  | { | 
|  | struct snd_usb_audio *chip = mixer->chip; | 
|  | int err; | 
|  | unsigned char buff[3]; | 
|  |  | 
|  | err = snd_usb_lock_shutdown(chip); | 
|  | if (err < 0) | 
|  | return err; | 
|  |  | 
|  | /* Prepare for magic command to toggle clock source */ | 
|  | err = snd_usb_ctl_msg(chip->dev, | 
|  | usb_rcvctrlpipe(chip->dev, 0), 0x81, | 
|  | USB_DIR_IN | | 
|  | USB_TYPE_CLASS | | 
|  | USB_RECIP_INTERFACE, 0x00, 0x500, buff, 1); | 
|  | if (err < 0) | 
|  | goto err; | 
|  | err = snd_usb_ctl_msg(chip->dev, | 
|  | usb_rcvctrlpipe(chip->dev, 0), 0x81, | 
|  | USB_DIR_IN | | 
|  | USB_TYPE_CLASS | | 
|  | USB_RECIP_ENDPOINT, 0x100, 0x81, buff, 3); | 
|  | if (err < 0) | 
|  | goto err; | 
|  |  | 
|  | /* 2 possibilities:	Internal    -> send sample rate | 
|  | *			S/PDIF sync -> send zeroes | 
|  | * NB: Sample rate locked to 48kHz on purpose to | 
|  | *     prevent user from resetting the sample rate | 
|  | *     while S/PDIF sync is enabled and confusing | 
|  | *     this configuration. | 
|  | */ | 
|  | if (val == 0) { | 
|  | buff[0] = 0x80; | 
|  | buff[1] = 0xbb; | 
|  | buff[2] = 0x00; | 
|  | } else { | 
|  | buff[0] = buff[1] = buff[2] = 0x00; | 
|  | } | 
|  |  | 
|  | /* Send the magic command to toggle the clock source */ | 
|  | err = snd_usb_ctl_msg(chip->dev, | 
|  | usb_sndctrlpipe(chip->dev, 0), 0x1, | 
|  | USB_TYPE_CLASS | | 
|  | USB_RECIP_ENDPOINT, 0x100, 0x81, buff, 3); | 
|  | if (err < 0) | 
|  | goto err; | 
|  | err = snd_usb_ctl_msg(chip->dev, | 
|  | usb_rcvctrlpipe(chip->dev, 0), 0x81, | 
|  | USB_DIR_IN | | 
|  | USB_TYPE_CLASS | | 
|  | USB_RECIP_ENDPOINT, 0x100, 0x81, buff, 3); | 
|  | if (err < 0) | 
|  | goto err; | 
|  | err = snd_usb_ctl_msg(chip->dev, | 
|  | usb_rcvctrlpipe(chip->dev, 0), 0x81, | 
|  | USB_DIR_IN | | 
|  | USB_TYPE_CLASS | | 
|  | USB_RECIP_ENDPOINT, 0x100, 0x2, buff, 3); | 
|  | if (err < 0) | 
|  | goto err; | 
|  |  | 
|  | err: | 
|  | snd_usb_unlock_shutdown(chip); | 
|  | return err; | 
|  | } | 
|  |  | 
|  | static int snd_mbox1_switch_put(struct snd_kcontrol *kctl, | 
|  | struct snd_ctl_elem_value *ucontrol) | 
|  | { | 
|  | struct usb_mixer_elem_list *list = snd_kcontrol_chip(kctl); | 
|  | struct usb_mixer_interface *mixer = list->mixer; | 
|  | int err; | 
|  | bool cur_val, new_val; | 
|  |  | 
|  | cur_val = kctl->private_value; | 
|  | new_val = ucontrol->value.enumerated.item[0]; | 
|  | if (cur_val == new_val) | 
|  | return 0; | 
|  |  | 
|  | kctl->private_value = new_val; | 
|  | err = snd_mbox1_switch_update(mixer, new_val); | 
|  | return err < 0 ? err : 1; | 
|  | } | 
|  |  | 
|  | static int snd_mbox1_switch_info(struct snd_kcontrol *kcontrol, | 
|  | struct snd_ctl_elem_info *uinfo) | 
|  | { | 
|  | static const char *const texts[2] = { | 
|  | "Internal", | 
|  | "S/PDIF" | 
|  | }; | 
|  |  | 
|  | return snd_ctl_enum_info(uinfo, 1, ARRAY_SIZE(texts), texts); | 
|  | } | 
|  |  | 
|  | static int snd_mbox1_switch_resume(struct usb_mixer_elem_list *list) | 
|  | { | 
|  | return snd_mbox1_switch_update(list->mixer, list->kctl->private_value); | 
|  | } | 
|  |  | 
|  | static struct snd_kcontrol_new snd_mbox1_switch = { | 
|  | .iface = SNDRV_CTL_ELEM_IFACE_MIXER, | 
|  | .name = "Clock Source", | 
|  | .index = 0, | 
|  | .access = SNDRV_CTL_ELEM_ACCESS_READWRITE, | 
|  | .info = snd_mbox1_switch_info, | 
|  | .get = snd_mbox1_switch_get, | 
|  | .put = snd_mbox1_switch_put, | 
|  | .private_value = 0 | 
|  | }; | 
|  |  | 
|  | static int snd_mbox1_create_sync_switch(struct usb_mixer_interface *mixer) | 
|  | { | 
|  | return add_single_ctl_with_resume(mixer, 0, | 
|  | snd_mbox1_switch_resume, | 
|  | &snd_mbox1_switch, NULL); | 
|  | } | 
|  |  | 
|  | /* Native Instruments device quirks */ | 
|  |  | 
|  | #define _MAKE_NI_CONTROL(bRequest,wIndex) ((bRequest) << 16 | (wIndex)) | 
|  |  | 
|  | static int snd_ni_control_init_val(struct usb_mixer_interface *mixer, | 
|  | struct snd_kcontrol *kctl) | 
|  | { | 
|  | struct usb_device *dev = mixer->chip->dev; | 
|  | unsigned int pval = kctl->private_value; | 
|  | u8 value; | 
|  | int err; | 
|  |  | 
|  | err = snd_usb_ctl_msg(dev, usb_rcvctrlpipe(dev, 0), | 
|  | (pval >> 16) & 0xff, | 
|  | USB_TYPE_VENDOR | USB_RECIP_DEVICE | USB_DIR_IN, | 
|  | 0, pval & 0xffff, &value, 1); | 
|  | if (err < 0) { | 
|  | dev_err(&dev->dev, | 
|  | "unable to issue vendor read request (ret = %d)", err); | 
|  | return err; | 
|  | } | 
|  |  | 
|  | kctl->private_value |= ((unsigned int)value << 24); | 
|  | return 0; | 
|  | } | 
|  |  | 
|  | static int snd_nativeinstruments_control_get(struct snd_kcontrol *kcontrol, | 
|  | struct snd_ctl_elem_value *ucontrol) | 
|  | { | 
|  | ucontrol->value.integer.value[0] = kcontrol->private_value >> 24; | 
|  | return 0; | 
|  | } | 
|  |  | 
|  | static int snd_ni_update_cur_val(struct usb_mixer_elem_list *list) | 
|  | { | 
|  | struct snd_usb_audio *chip = list->mixer->chip; | 
|  | unsigned int pval = list->kctl->private_value; | 
|  | int err; | 
|  |  | 
|  | err = snd_usb_lock_shutdown(chip); | 
|  | if (err < 0) | 
|  | return err; | 
|  | err = usb_control_msg(chip->dev, usb_sndctrlpipe(chip->dev, 0), | 
|  | (pval >> 16) & 0xff, | 
|  | USB_TYPE_VENDOR | USB_RECIP_DEVICE | USB_DIR_OUT, | 
|  | pval >> 24, pval & 0xffff, NULL, 0, 1000); | 
|  | snd_usb_unlock_shutdown(chip); | 
|  | return err; | 
|  | } | 
|  |  | 
|  | static int snd_nativeinstruments_control_put(struct snd_kcontrol *kcontrol, | 
|  | struct snd_ctl_elem_value *ucontrol) | 
|  | { | 
|  | struct usb_mixer_elem_list *list = snd_kcontrol_chip(kcontrol); | 
|  | u8 oldval = (kcontrol->private_value >> 24) & 0xff; | 
|  | u8 newval = ucontrol->value.integer.value[0]; | 
|  | int err; | 
|  |  | 
|  | if (oldval == newval) | 
|  | return 0; | 
|  |  | 
|  | kcontrol->private_value &= ~(0xff << 24); | 
|  | kcontrol->private_value |= (unsigned int)newval << 24; | 
|  | err = snd_ni_update_cur_val(list); | 
|  | return err < 0 ? err : 1; | 
|  | } | 
|  |  | 
|  | static struct snd_kcontrol_new snd_nativeinstruments_ta6_mixers[] = { | 
|  | { | 
|  | .name = "Direct Thru Channel A", | 
|  | .private_value = _MAKE_NI_CONTROL(0x01, 0x03), | 
|  | }, | 
|  | { | 
|  | .name = "Direct Thru Channel B", | 
|  | .private_value = _MAKE_NI_CONTROL(0x01, 0x05), | 
|  | }, | 
|  | { | 
|  | .name = "Phono Input Channel A", | 
|  | .private_value = _MAKE_NI_CONTROL(0x02, 0x03), | 
|  | }, | 
|  | { | 
|  | .name = "Phono Input Channel B", | 
|  | .private_value = _MAKE_NI_CONTROL(0x02, 0x05), | 
|  | }, | 
|  | }; | 
|  |  | 
|  | static struct snd_kcontrol_new snd_nativeinstruments_ta10_mixers[] = { | 
|  | { | 
|  | .name = "Direct Thru Channel A", | 
|  | .private_value = _MAKE_NI_CONTROL(0x01, 0x03), | 
|  | }, | 
|  | { | 
|  | .name = "Direct Thru Channel B", | 
|  | .private_value = _MAKE_NI_CONTROL(0x01, 0x05), | 
|  | }, | 
|  | { | 
|  | .name = "Direct Thru Channel C", | 
|  | .private_value = _MAKE_NI_CONTROL(0x01, 0x07), | 
|  | }, | 
|  | { | 
|  | .name = "Direct Thru Channel D", | 
|  | .private_value = _MAKE_NI_CONTROL(0x01, 0x09), | 
|  | }, | 
|  | { | 
|  | .name = "Phono Input Channel A", | 
|  | .private_value = _MAKE_NI_CONTROL(0x02, 0x03), | 
|  | }, | 
|  | { | 
|  | .name = "Phono Input Channel B", | 
|  | .private_value = _MAKE_NI_CONTROL(0x02, 0x05), | 
|  | }, | 
|  | { | 
|  | .name = "Phono Input Channel C", | 
|  | .private_value = _MAKE_NI_CONTROL(0x02, 0x07), | 
|  | }, | 
|  | { | 
|  | .name = "Phono Input Channel D", | 
|  | .private_value = _MAKE_NI_CONTROL(0x02, 0x09), | 
|  | }, | 
|  | }; | 
|  |  | 
|  | static int snd_nativeinstruments_create_mixer(struct usb_mixer_interface *mixer, | 
|  | const struct snd_kcontrol_new *kc, | 
|  | unsigned int count) | 
|  | { | 
|  | int i, err = 0; | 
|  | struct snd_kcontrol_new template = { | 
|  | .iface = SNDRV_CTL_ELEM_IFACE_MIXER, | 
|  | .access = SNDRV_CTL_ELEM_ACCESS_READWRITE, | 
|  | .get = snd_nativeinstruments_control_get, | 
|  | .put = snd_nativeinstruments_control_put, | 
|  | .info = snd_ctl_boolean_mono_info, | 
|  | }; | 
|  |  | 
|  | for (i = 0; i < count; i++) { | 
|  | struct usb_mixer_elem_list *list; | 
|  |  | 
|  | template.name = kc[i].name; | 
|  | template.private_value = kc[i].private_value; | 
|  |  | 
|  | err = add_single_ctl_with_resume(mixer, 0, | 
|  | snd_ni_update_cur_val, | 
|  | &template, &list); | 
|  | if (err < 0) | 
|  | break; | 
|  | snd_ni_control_init_val(mixer, list->kctl); | 
|  | } | 
|  |  | 
|  | return err; | 
|  | } | 
|  |  | 
|  | /* M-Audio FastTrack Ultra quirks */ | 
|  | /* FTU Effect switch (also used by C400/C600) */ | 
|  | static int snd_ftu_eff_switch_info(struct snd_kcontrol *kcontrol, | 
|  | struct snd_ctl_elem_info *uinfo) | 
|  | { | 
|  | static const char *const texts[8] = { | 
|  | "Room 1", "Room 2", "Room 3", "Hall 1", | 
|  | "Hall 2", "Plate", "Delay", "Echo" | 
|  | }; | 
|  |  | 
|  | return snd_ctl_enum_info(uinfo, 1, ARRAY_SIZE(texts), texts); | 
|  | } | 
|  |  | 
|  | static int snd_ftu_eff_switch_init(struct usb_mixer_interface *mixer, | 
|  | struct snd_kcontrol *kctl) | 
|  | { | 
|  | struct usb_device *dev = mixer->chip->dev; | 
|  | unsigned int pval = kctl->private_value; | 
|  | int err; | 
|  | unsigned char value[2]; | 
|  |  | 
|  | value[0] = 0x00; | 
|  | value[1] = 0x00; | 
|  |  | 
|  | err = snd_usb_ctl_msg(dev, usb_rcvctrlpipe(dev, 0), UAC_GET_CUR, | 
|  | USB_RECIP_INTERFACE | USB_TYPE_CLASS | USB_DIR_IN, | 
|  | pval & 0xff00, | 
|  | snd_usb_ctrl_intf(mixer->chip) | ((pval & 0xff) << 8), | 
|  | value, 2); | 
|  | if (err < 0) | 
|  | return err; | 
|  |  | 
|  | kctl->private_value |= (unsigned int)value[0] << 24; | 
|  | return 0; | 
|  | } | 
|  |  | 
|  | static int snd_ftu_eff_switch_get(struct snd_kcontrol *kctl, | 
|  | struct snd_ctl_elem_value *ucontrol) | 
|  | { | 
|  | ucontrol->value.enumerated.item[0] = kctl->private_value >> 24; | 
|  | return 0; | 
|  | } | 
|  |  | 
|  | static int snd_ftu_eff_switch_update(struct usb_mixer_elem_list *list) | 
|  | { | 
|  | struct snd_usb_audio *chip = list->mixer->chip; | 
|  | unsigned int pval = list->kctl->private_value; | 
|  | unsigned char value[2]; | 
|  | int err; | 
|  |  | 
|  | value[0] = pval >> 24; | 
|  | value[1] = 0; | 
|  |  | 
|  | err = snd_usb_lock_shutdown(chip); | 
|  | if (err < 0) | 
|  | return err; | 
|  | err = snd_usb_ctl_msg(chip->dev, | 
|  | usb_sndctrlpipe(chip->dev, 0), | 
|  | UAC_SET_CUR, | 
|  | USB_RECIP_INTERFACE | USB_TYPE_CLASS | USB_DIR_OUT, | 
|  | pval & 0xff00, | 
|  | snd_usb_ctrl_intf(chip) | ((pval & 0xff) << 8), | 
|  | value, 2); | 
|  | snd_usb_unlock_shutdown(chip); | 
|  | return err; | 
|  | } | 
|  |  | 
|  | static int snd_ftu_eff_switch_put(struct snd_kcontrol *kctl, | 
|  | struct snd_ctl_elem_value *ucontrol) | 
|  | { | 
|  | struct usb_mixer_elem_list *list = snd_kcontrol_chip(kctl); | 
|  | unsigned int pval = list->kctl->private_value; | 
|  | int cur_val, err, new_val; | 
|  |  | 
|  | cur_val = pval >> 24; | 
|  | new_val = ucontrol->value.enumerated.item[0]; | 
|  | if (cur_val == new_val) | 
|  | return 0; | 
|  |  | 
|  | kctl->private_value &= ~(0xff << 24); | 
|  | kctl->private_value |= new_val << 24; | 
|  | err = snd_ftu_eff_switch_update(list); | 
|  | return err < 0 ? err : 1; | 
|  | } | 
|  |  | 
|  | static int snd_ftu_create_effect_switch(struct usb_mixer_interface *mixer, | 
|  | int validx, int bUnitID) | 
|  | { | 
|  | static struct snd_kcontrol_new template = { | 
|  | .iface = SNDRV_CTL_ELEM_IFACE_MIXER, | 
|  | .name = "Effect Program Switch", | 
|  | .index = 0, | 
|  | .access = SNDRV_CTL_ELEM_ACCESS_READWRITE, | 
|  | .info = snd_ftu_eff_switch_info, | 
|  | .get = snd_ftu_eff_switch_get, | 
|  | .put = snd_ftu_eff_switch_put | 
|  | }; | 
|  | struct usb_mixer_elem_list *list; | 
|  | int err; | 
|  |  | 
|  | err = add_single_ctl_with_resume(mixer, bUnitID, | 
|  | snd_ftu_eff_switch_update, | 
|  | &template, &list); | 
|  | if (err < 0) | 
|  | return err; | 
|  | list->kctl->private_value = (validx << 8) | bUnitID; | 
|  | snd_ftu_eff_switch_init(mixer, list->kctl); | 
|  | return 0; | 
|  | } | 
|  |  | 
|  | /* Create volume controls for FTU devices*/ | 
|  | static int snd_ftu_create_volume_ctls(struct usb_mixer_interface *mixer) | 
|  | { | 
|  | char name[64]; | 
|  | unsigned int control, cmask; | 
|  | int in, out, err; | 
|  |  | 
|  | const unsigned int id = 5; | 
|  | const int val_type = USB_MIXER_S16; | 
|  |  | 
|  | for (out = 0; out < 8; out++) { | 
|  | control = out + 1; | 
|  | for (in = 0; in < 8; in++) { | 
|  | cmask = 1 << in; | 
|  | snprintf(name, sizeof(name), | 
|  | "AIn%d - Out%d Capture Volume", | 
|  | in  + 1, out + 1); | 
|  | err = snd_create_std_mono_ctl(mixer, id, control, | 
|  | cmask, val_type, name, | 
|  | &snd_usb_mixer_vol_tlv); | 
|  | if (err < 0) | 
|  | return err; | 
|  | } | 
|  | for (in = 8; in < 16; in++) { | 
|  | cmask = 1 << in; | 
|  | snprintf(name, sizeof(name), | 
|  | "DIn%d - Out%d Playback Volume", | 
|  | in - 7, out + 1); | 
|  | err = snd_create_std_mono_ctl(mixer, id, control, | 
|  | cmask, val_type, name, | 
|  | &snd_usb_mixer_vol_tlv); | 
|  | if (err < 0) | 
|  | return err; | 
|  | } | 
|  | } | 
|  |  | 
|  | return 0; | 
|  | } | 
|  |  | 
|  | /* This control needs a volume quirk, see mixer.c */ | 
|  | static int snd_ftu_create_effect_volume_ctl(struct usb_mixer_interface *mixer) | 
|  | { | 
|  | static const char name[] = "Effect Volume"; | 
|  | const unsigned int id = 6; | 
|  | const int val_type = USB_MIXER_U8; | 
|  | const unsigned int control = 2; | 
|  | const unsigned int cmask = 0; | 
|  |  | 
|  | return snd_create_std_mono_ctl(mixer, id, control, cmask, val_type, | 
|  | name, snd_usb_mixer_vol_tlv); | 
|  | } | 
|  |  | 
|  | /* This control needs a volume quirk, see mixer.c */ | 
|  | static int snd_ftu_create_effect_duration_ctl(struct usb_mixer_interface *mixer) | 
|  | { | 
|  | static const char name[] = "Effect Duration"; | 
|  | const unsigned int id = 6; | 
|  | const int val_type = USB_MIXER_S16; | 
|  | const unsigned int control = 3; | 
|  | const unsigned int cmask = 0; | 
|  |  | 
|  | return snd_create_std_mono_ctl(mixer, id, control, cmask, val_type, | 
|  | name, snd_usb_mixer_vol_tlv); | 
|  | } | 
|  |  | 
|  | /* This control needs a volume quirk, see mixer.c */ | 
|  | static int snd_ftu_create_effect_feedback_ctl(struct usb_mixer_interface *mixer) | 
|  | { | 
|  | static const char name[] = "Effect Feedback Volume"; | 
|  | const unsigned int id = 6; | 
|  | const int val_type = USB_MIXER_U8; | 
|  | const unsigned int control = 4; | 
|  | const unsigned int cmask = 0; | 
|  |  | 
|  | return snd_create_std_mono_ctl(mixer, id, control, cmask, val_type, | 
|  | name, NULL); | 
|  | } | 
|  |  | 
|  | static int snd_ftu_create_effect_return_ctls(struct usb_mixer_interface *mixer) | 
|  | { | 
|  | unsigned int cmask; | 
|  | int err, ch; | 
|  | char name[48]; | 
|  |  | 
|  | const unsigned int id = 7; | 
|  | const int val_type = USB_MIXER_S16; | 
|  | const unsigned int control = 7; | 
|  |  | 
|  | for (ch = 0; ch < 4; ++ch) { | 
|  | cmask = 1 << ch; | 
|  | snprintf(name, sizeof(name), | 
|  | "Effect Return %d Volume", ch + 1); | 
|  | err = snd_create_std_mono_ctl(mixer, id, control, | 
|  | cmask, val_type, name, | 
|  | snd_usb_mixer_vol_tlv); | 
|  | if (err < 0) | 
|  | return err; | 
|  | } | 
|  |  | 
|  | return 0; | 
|  | } | 
|  |  | 
|  | static int snd_ftu_create_effect_send_ctls(struct usb_mixer_interface *mixer) | 
|  | { | 
|  | unsigned int  cmask; | 
|  | int err, ch; | 
|  | char name[48]; | 
|  |  | 
|  | const unsigned int id = 5; | 
|  | const int val_type = USB_MIXER_S16; | 
|  | const unsigned int control = 9; | 
|  |  | 
|  | for (ch = 0; ch < 8; ++ch) { | 
|  | cmask = 1 << ch; | 
|  | snprintf(name, sizeof(name), | 
|  | "Effect Send AIn%d Volume", ch + 1); | 
|  | err = snd_create_std_mono_ctl(mixer, id, control, cmask, | 
|  | val_type, name, | 
|  | snd_usb_mixer_vol_tlv); | 
|  | if (err < 0) | 
|  | return err; | 
|  | } | 
|  | for (ch = 8; ch < 16; ++ch) { | 
|  | cmask = 1 << ch; | 
|  | snprintf(name, sizeof(name), | 
|  | "Effect Send DIn%d Volume", ch - 7); | 
|  | err = snd_create_std_mono_ctl(mixer, id, control, cmask, | 
|  | val_type, name, | 
|  | snd_usb_mixer_vol_tlv); | 
|  | if (err < 0) | 
|  | return err; | 
|  | } | 
|  | return 0; | 
|  | } | 
|  |  | 
|  | static int snd_ftu_create_mixer(struct usb_mixer_interface *mixer) | 
|  | { | 
|  | int err; | 
|  |  | 
|  | err = snd_ftu_create_volume_ctls(mixer); | 
|  | if (err < 0) | 
|  | return err; | 
|  |  | 
|  | err = snd_ftu_create_effect_switch(mixer, 1, 6); | 
|  | if (err < 0) | 
|  | return err; | 
|  |  | 
|  | err = snd_ftu_create_effect_volume_ctl(mixer); | 
|  | if (err < 0) | 
|  | return err; | 
|  |  | 
|  | err = snd_ftu_create_effect_duration_ctl(mixer); | 
|  | if (err < 0) | 
|  | return err; | 
|  |  | 
|  | err = snd_ftu_create_effect_feedback_ctl(mixer); | 
|  | if (err < 0) | 
|  | return err; | 
|  |  | 
|  | err = snd_ftu_create_effect_return_ctls(mixer); | 
|  | if (err < 0) | 
|  | return err; | 
|  |  | 
|  | err = snd_ftu_create_effect_send_ctls(mixer); | 
|  | if (err < 0) | 
|  | return err; | 
|  |  | 
|  | return 0; | 
|  | } | 
|  |  | 
|  | void snd_emuusb_set_samplerate(struct snd_usb_audio *chip, | 
|  | unsigned char samplerate_id) | 
|  | { | 
|  | struct usb_mixer_interface *mixer; | 
|  | struct usb_mixer_elem_info *cval; | 
|  | int unitid = 12; /* SampleRate ExtensionUnit ID */ | 
|  |  | 
|  | list_for_each_entry(mixer, &chip->mixer_list, list) { | 
|  | if (mixer->id_elems[unitid]) { | 
|  | cval = mixer_elem_list_to_info(mixer->id_elems[unitid]); | 
|  | snd_usb_mixer_set_ctl_value(cval, UAC_SET_CUR, | 
|  | cval->control << 8, | 
|  | samplerate_id); | 
|  | snd_usb_mixer_notify_id(mixer, unitid); | 
|  | break; | 
|  | } | 
|  | } | 
|  | } | 
|  |  | 
|  | /* M-Audio Fast Track C400/C600 */ | 
|  | /* C400/C600 volume controls, this control needs a volume quirk, see mixer.c */ | 
|  | static int snd_c400_create_vol_ctls(struct usb_mixer_interface *mixer) | 
|  | { | 
|  | char name[64]; | 
|  | unsigned int cmask, offset; | 
|  | int out, chan, err; | 
|  | int num_outs = 0; | 
|  | int num_ins = 0; | 
|  |  | 
|  | const unsigned int id = 0x40; | 
|  | const int val_type = USB_MIXER_S16; | 
|  | const int control = 1; | 
|  |  | 
|  | switch (mixer->chip->usb_id) { | 
|  | case USB_ID(0x0763, 0x2030): | 
|  | num_outs = 6; | 
|  | num_ins = 4; | 
|  | break; | 
|  | case USB_ID(0x0763, 0x2031): | 
|  | num_outs = 8; | 
|  | num_ins = 6; | 
|  | break; | 
|  | } | 
|  |  | 
|  | for (chan = 0; chan < num_outs + num_ins; chan++) { | 
|  | for (out = 0; out < num_outs; out++) { | 
|  | if (chan < num_outs) { | 
|  | snprintf(name, sizeof(name), | 
|  | "PCM%d-Out%d Playback Volume", | 
|  | chan + 1, out + 1); | 
|  | } else { | 
|  | snprintf(name, sizeof(name), | 
|  | "In%d-Out%d Playback Volume", | 
|  | chan - num_outs + 1, out + 1); | 
|  | } | 
|  |  | 
|  | cmask = (out == 0) ? 0 : 1 << (out - 1); | 
|  | offset = chan * num_outs; | 
|  | err = snd_create_std_mono_ctl_offset(mixer, id, control, | 
|  | cmask, val_type, offset, name, | 
|  | &snd_usb_mixer_vol_tlv); | 
|  | if (err < 0) | 
|  | return err; | 
|  | } | 
|  | } | 
|  |  | 
|  | return 0; | 
|  | } | 
|  |  | 
|  | /* This control needs a volume quirk, see mixer.c */ | 
|  | static int snd_c400_create_effect_volume_ctl(struct usb_mixer_interface *mixer) | 
|  | { | 
|  | static const char name[] = "Effect Volume"; | 
|  | const unsigned int id = 0x43; | 
|  | const int val_type = USB_MIXER_U8; | 
|  | const unsigned int control = 3; | 
|  | const unsigned int cmask = 0; | 
|  |  | 
|  | return snd_create_std_mono_ctl(mixer, id, control, cmask, val_type, | 
|  | name, snd_usb_mixer_vol_tlv); | 
|  | } | 
|  |  | 
|  | /* This control needs a volume quirk, see mixer.c */ | 
|  | static int snd_c400_create_effect_duration_ctl(struct usb_mixer_interface *mixer) | 
|  | { | 
|  | static const char name[] = "Effect Duration"; | 
|  | const unsigned int id = 0x43; | 
|  | const int val_type = USB_MIXER_S16; | 
|  | const unsigned int control = 4; | 
|  | const unsigned int cmask = 0; | 
|  |  | 
|  | return snd_create_std_mono_ctl(mixer, id, control, cmask, val_type, | 
|  | name, snd_usb_mixer_vol_tlv); | 
|  | } | 
|  |  | 
|  | /* This control needs a volume quirk, see mixer.c */ | 
|  | static int snd_c400_create_effect_feedback_ctl(struct usb_mixer_interface *mixer) | 
|  | { | 
|  | static const char name[] = "Effect Feedback Volume"; | 
|  | const unsigned int id = 0x43; | 
|  | const int val_type = USB_MIXER_U8; | 
|  | const unsigned int control = 5; | 
|  | const unsigned int cmask = 0; | 
|  |  | 
|  | return snd_create_std_mono_ctl(mixer, id, control, cmask, val_type, | 
|  | name, NULL); | 
|  | } | 
|  |  | 
|  | static int snd_c400_create_effect_vol_ctls(struct usb_mixer_interface *mixer) | 
|  | { | 
|  | char name[64]; | 
|  | unsigned int cmask; | 
|  | int chan, err; | 
|  | int num_outs = 0; | 
|  | int num_ins = 0; | 
|  |  | 
|  | const unsigned int id = 0x42; | 
|  | const int val_type = USB_MIXER_S16; | 
|  | const int control = 1; | 
|  |  | 
|  | switch (mixer->chip->usb_id) { | 
|  | case USB_ID(0x0763, 0x2030): | 
|  | num_outs = 6; | 
|  | num_ins = 4; | 
|  | break; | 
|  | case USB_ID(0x0763, 0x2031): | 
|  | num_outs = 8; | 
|  | num_ins = 6; | 
|  | break; | 
|  | } | 
|  |  | 
|  | for (chan = 0; chan < num_outs + num_ins; chan++) { | 
|  | if (chan < num_outs) { | 
|  | snprintf(name, sizeof(name), | 
|  | "Effect Send DOut%d", | 
|  | chan + 1); | 
|  | } else { | 
|  | snprintf(name, sizeof(name), | 
|  | "Effect Send AIn%d", | 
|  | chan - num_outs + 1); | 
|  | } | 
|  |  | 
|  | cmask = (chan == 0) ? 0 : 1 << (chan - 1); | 
|  | err = snd_create_std_mono_ctl(mixer, id, control, | 
|  | cmask, val_type, name, | 
|  | &snd_usb_mixer_vol_tlv); | 
|  | if (err < 0) | 
|  | return err; | 
|  | } | 
|  |  | 
|  | return 0; | 
|  | } | 
|  |  | 
|  | static int snd_c400_create_effect_ret_vol_ctls(struct usb_mixer_interface *mixer) | 
|  | { | 
|  | char name[64]; | 
|  | unsigned int cmask; | 
|  | int chan, err; | 
|  | int num_outs = 0; | 
|  | int offset = 0; | 
|  |  | 
|  | const unsigned int id = 0x40; | 
|  | const int val_type = USB_MIXER_S16; | 
|  | const int control = 1; | 
|  |  | 
|  | switch (mixer->chip->usb_id) { | 
|  | case USB_ID(0x0763, 0x2030): | 
|  | num_outs = 6; | 
|  | offset = 0x3c; | 
|  | /* { 0x3c, 0x43, 0x3e, 0x45, 0x40, 0x47 } */ | 
|  | break; | 
|  | case USB_ID(0x0763, 0x2031): | 
|  | num_outs = 8; | 
|  | offset = 0x70; | 
|  | /* { 0x70, 0x79, 0x72, 0x7b, 0x74, 0x7d, 0x76, 0x7f } */ | 
|  | break; | 
|  | } | 
|  |  | 
|  | for (chan = 0; chan < num_outs; chan++) { | 
|  | snprintf(name, sizeof(name), | 
|  | "Effect Return %d", | 
|  | chan + 1); | 
|  |  | 
|  | cmask = (chan == 0) ? 0 : | 
|  | 1 << (chan + (chan % 2) * num_outs - 1); | 
|  | err = snd_create_std_mono_ctl_offset(mixer, id, control, | 
|  | cmask, val_type, offset, name, | 
|  | &snd_usb_mixer_vol_tlv); | 
|  | if (err < 0) | 
|  | return err; | 
|  | } | 
|  |  | 
|  | return 0; | 
|  | } | 
|  |  | 
|  | static int snd_c400_create_mixer(struct usb_mixer_interface *mixer) | 
|  | { | 
|  | int err; | 
|  |  | 
|  | err = snd_c400_create_vol_ctls(mixer); | 
|  | if (err < 0) | 
|  | return err; | 
|  |  | 
|  | err = snd_c400_create_effect_vol_ctls(mixer); | 
|  | if (err < 0) | 
|  | return err; | 
|  |  | 
|  | err = snd_c400_create_effect_ret_vol_ctls(mixer); | 
|  | if (err < 0) | 
|  | return err; | 
|  |  | 
|  | err = snd_ftu_create_effect_switch(mixer, 2, 0x43); | 
|  | if (err < 0) | 
|  | return err; | 
|  |  | 
|  | err = snd_c400_create_effect_volume_ctl(mixer); | 
|  | if (err < 0) | 
|  | return err; | 
|  |  | 
|  | err = snd_c400_create_effect_duration_ctl(mixer); | 
|  | if (err < 0) | 
|  | return err; | 
|  |  | 
|  | err = snd_c400_create_effect_feedback_ctl(mixer); | 
|  | if (err < 0) | 
|  | return err; | 
|  |  | 
|  | return 0; | 
|  | } | 
|  |  | 
|  | /* | 
|  | * The mixer units for Ebox-44 are corrupt, and even where they | 
|  | * are valid they presents mono controls as L and R channels of | 
|  | * stereo. So we provide a good mixer here. | 
|  | */ | 
|  | static const struct std_mono_table ebox44_table[] = { | 
|  | { | 
|  | .unitid = 4, | 
|  | .control = 1, | 
|  | .cmask = 0x0, | 
|  | .val_type = USB_MIXER_INV_BOOLEAN, | 
|  | .name = "Headphone Playback Switch" | 
|  | }, | 
|  | { | 
|  | .unitid = 4, | 
|  | .control = 2, | 
|  | .cmask = 0x1, | 
|  | .val_type = USB_MIXER_S16, | 
|  | .name = "Headphone A Mix Playback Volume" | 
|  | }, | 
|  | { | 
|  | .unitid = 4, | 
|  | .control = 2, | 
|  | .cmask = 0x2, | 
|  | .val_type = USB_MIXER_S16, | 
|  | .name = "Headphone B Mix Playback Volume" | 
|  | }, | 
|  |  | 
|  | { | 
|  | .unitid = 7, | 
|  | .control = 1, | 
|  | .cmask = 0x0, | 
|  | .val_type = USB_MIXER_INV_BOOLEAN, | 
|  | .name = "Output Playback Switch" | 
|  | }, | 
|  | { | 
|  | .unitid = 7, | 
|  | .control = 2, | 
|  | .cmask = 0x1, | 
|  | .val_type = USB_MIXER_S16, | 
|  | .name = "Output A Playback Volume" | 
|  | }, | 
|  | { | 
|  | .unitid = 7, | 
|  | .control = 2, | 
|  | .cmask = 0x2, | 
|  | .val_type = USB_MIXER_S16, | 
|  | .name = "Output B Playback Volume" | 
|  | }, | 
|  |  | 
|  | { | 
|  | .unitid = 10, | 
|  | .control = 1, | 
|  | .cmask = 0x0, | 
|  | .val_type = USB_MIXER_INV_BOOLEAN, | 
|  | .name = "Input Capture Switch" | 
|  | }, | 
|  | { | 
|  | .unitid = 10, | 
|  | .control = 2, | 
|  | .cmask = 0x1, | 
|  | .val_type = USB_MIXER_S16, | 
|  | .name = "Input A Capture Volume" | 
|  | }, | 
|  | { | 
|  | .unitid = 10, | 
|  | .control = 2, | 
|  | .cmask = 0x2, | 
|  | .val_type = USB_MIXER_S16, | 
|  | .name = "Input B Capture Volume" | 
|  | }, | 
|  |  | 
|  | {} | 
|  | }; | 
|  |  | 
|  | /* Audio Advantage Micro II findings: | 
|  | * | 
|  | * Mapping spdif AES bits to vendor register.bit: | 
|  | * AES0: [0 0 0 0 2.3 2.2 2.1 2.0] - default 0x00 | 
|  | * AES1: [3.3 3.2.3.1.3.0 2.7 2.6 2.5 2.4] - default: 0x01 | 
|  | * AES2: [0 0 0 0 0 0 0 0] | 
|  | * AES3: [0 0 0 0 0 0 x 0] - 'x' bit is set basing on standard usb request | 
|  | *                           (UAC_EP_CS_ATTR_SAMPLE_RATE) for Audio Devices | 
|  | * | 
|  | * power on values: | 
|  | * r2: 0x10 | 
|  | * r3: 0x20 (b7 is zeroed just before playback (except IEC61937) and set | 
|  | *           just after it to 0xa0, presumably it disables/mutes some analog | 
|  | *           parts when there is no audio.) | 
|  | * r9: 0x28 | 
|  | * | 
|  | * Optical transmitter on/off: | 
|  | * vendor register.bit: 9.1 | 
|  | * 0 - on (0x28 register value) | 
|  | * 1 - off (0x2a register value) | 
|  | * | 
|  | */ | 
|  | static int snd_microii_spdif_info(struct snd_kcontrol *kcontrol, | 
|  | struct snd_ctl_elem_info *uinfo) | 
|  | { | 
|  | uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958; | 
|  | uinfo->count = 1; | 
|  | return 0; | 
|  | } | 
|  |  | 
|  | static int snd_microii_spdif_default_get(struct snd_kcontrol *kcontrol, | 
|  | struct snd_ctl_elem_value *ucontrol) | 
|  | { | 
|  | struct usb_mixer_elem_list *list = snd_kcontrol_chip(kcontrol); | 
|  | struct snd_usb_audio *chip = list->mixer->chip; | 
|  | int err; | 
|  | struct usb_interface *iface; | 
|  | struct usb_host_interface *alts; | 
|  | unsigned int ep; | 
|  | unsigned char data[3]; | 
|  | int rate; | 
|  |  | 
|  | err = snd_usb_lock_shutdown(chip); | 
|  | if (err < 0) | 
|  | return err; | 
|  |  | 
|  | ucontrol->value.iec958.status[0] = kcontrol->private_value & 0xff; | 
|  | ucontrol->value.iec958.status[1] = (kcontrol->private_value >> 8) & 0xff; | 
|  | ucontrol->value.iec958.status[2] = 0x00; | 
|  |  | 
|  | /* use known values for that card: interface#1 altsetting#1 */ | 
|  | iface = usb_ifnum_to_if(chip->dev, 1); | 
|  | if (!iface || iface->num_altsetting < 2) { | 
|  | err = -EINVAL; | 
|  | goto end; | 
|  | } | 
|  | alts = &iface->altsetting[1]; | 
|  | if (get_iface_desc(alts)->bNumEndpoints < 1) { | 
|  | err = -EINVAL; | 
|  | goto end; | 
|  | } | 
|  | ep = get_endpoint(alts, 0)->bEndpointAddress; | 
|  |  | 
|  | err = snd_usb_ctl_msg(chip->dev, | 
|  | usb_rcvctrlpipe(chip->dev, 0), | 
|  | UAC_GET_CUR, | 
|  | USB_TYPE_CLASS | USB_RECIP_ENDPOINT | USB_DIR_IN, | 
|  | UAC_EP_CS_ATTR_SAMPLE_RATE << 8, | 
|  | ep, | 
|  | data, | 
|  | sizeof(data)); | 
|  | if (err < 0) | 
|  | goto end; | 
|  |  | 
|  | rate = data[0] | (data[1] << 8) | (data[2] << 16); | 
|  | ucontrol->value.iec958.status[3] = (rate == 48000) ? | 
|  | IEC958_AES3_CON_FS_48000 : IEC958_AES3_CON_FS_44100; | 
|  |  | 
|  | err = 0; | 
|  | end: | 
|  | snd_usb_unlock_shutdown(chip); | 
|  | return err; | 
|  | } | 
|  |  | 
|  | static int snd_microii_spdif_default_update(struct usb_mixer_elem_list *list) | 
|  | { | 
|  | struct snd_usb_audio *chip = list->mixer->chip; | 
|  | unsigned int pval = list->kctl->private_value; | 
|  | u8 reg; | 
|  | int err; | 
|  |  | 
|  | err = snd_usb_lock_shutdown(chip); | 
|  | if (err < 0) | 
|  | return err; | 
|  |  | 
|  | reg = ((pval >> 4) & 0xf0) | (pval & 0x0f); | 
|  | err = snd_usb_ctl_msg(chip->dev, | 
|  | usb_sndctrlpipe(chip->dev, 0), | 
|  | UAC_SET_CUR, | 
|  | USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_OTHER, | 
|  | reg, | 
|  | 2, | 
|  | NULL, | 
|  | 0); | 
|  | if (err < 0) | 
|  | goto end; | 
|  |  | 
|  | reg = (pval & IEC958_AES0_NONAUDIO) ? 0xa0 : 0x20; | 
|  | reg |= (pval >> 12) & 0x0f; | 
|  | err = snd_usb_ctl_msg(chip->dev, | 
|  | usb_sndctrlpipe(chip->dev, 0), | 
|  | UAC_SET_CUR, | 
|  | USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_OTHER, | 
|  | reg, | 
|  | 3, | 
|  | NULL, | 
|  | 0); | 
|  | if (err < 0) | 
|  | goto end; | 
|  |  | 
|  | end: | 
|  | snd_usb_unlock_shutdown(chip); | 
|  | return err; | 
|  | } | 
|  |  | 
|  | static int snd_microii_spdif_default_put(struct snd_kcontrol *kcontrol, | 
|  | struct snd_ctl_elem_value *ucontrol) | 
|  | { | 
|  | struct usb_mixer_elem_list *list = snd_kcontrol_chip(kcontrol); | 
|  | unsigned int pval, pval_old; | 
|  | int err; | 
|  |  | 
|  | pval = pval_old = kcontrol->private_value; | 
|  | pval &= 0xfffff0f0; | 
|  | pval |= (ucontrol->value.iec958.status[1] & 0x0f) << 8; | 
|  | pval |= (ucontrol->value.iec958.status[0] & 0x0f); | 
|  |  | 
|  | pval &= 0xffff0fff; | 
|  | pval |= (ucontrol->value.iec958.status[1] & 0xf0) << 8; | 
|  |  | 
|  | /* The frequency bits in AES3 cannot be set via register access. */ | 
|  |  | 
|  | /* Silently ignore any bits from the request that cannot be set. */ | 
|  |  | 
|  | if (pval == pval_old) | 
|  | return 0; | 
|  |  | 
|  | kcontrol->private_value = pval; | 
|  | err = snd_microii_spdif_default_update(list); | 
|  | return err < 0 ? err : 1; | 
|  | } | 
|  |  | 
|  | static int snd_microii_spdif_mask_get(struct snd_kcontrol *kcontrol, | 
|  | struct snd_ctl_elem_value *ucontrol) | 
|  | { | 
|  | ucontrol->value.iec958.status[0] = 0x0f; | 
|  | ucontrol->value.iec958.status[1] = 0xff; | 
|  | ucontrol->value.iec958.status[2] = 0x00; | 
|  | ucontrol->value.iec958.status[3] = 0x00; | 
|  |  | 
|  | return 0; | 
|  | } | 
|  |  | 
|  | static int snd_microii_spdif_switch_get(struct snd_kcontrol *kcontrol, | 
|  | struct snd_ctl_elem_value *ucontrol) | 
|  | { | 
|  | ucontrol->value.integer.value[0] = !(kcontrol->private_value & 0x02); | 
|  |  | 
|  | return 0; | 
|  | } | 
|  |  | 
|  | static int snd_microii_spdif_switch_update(struct usb_mixer_elem_list *list) | 
|  | { | 
|  | struct snd_usb_audio *chip = list->mixer->chip; | 
|  | u8 reg = list->kctl->private_value; | 
|  | int err; | 
|  |  | 
|  | err = snd_usb_lock_shutdown(chip); | 
|  | if (err < 0) | 
|  | return err; | 
|  |  | 
|  | err = snd_usb_ctl_msg(chip->dev, | 
|  | usb_sndctrlpipe(chip->dev, 0), | 
|  | UAC_SET_CUR, | 
|  | USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_OTHER, | 
|  | reg, | 
|  | 9, | 
|  | NULL, | 
|  | 0); | 
|  |  | 
|  | snd_usb_unlock_shutdown(chip); | 
|  | return err; | 
|  | } | 
|  |  | 
|  | static int snd_microii_spdif_switch_put(struct snd_kcontrol *kcontrol, | 
|  | struct snd_ctl_elem_value *ucontrol) | 
|  | { | 
|  | struct usb_mixer_elem_list *list = snd_kcontrol_chip(kcontrol); | 
|  | u8 reg; | 
|  | int err; | 
|  |  | 
|  | reg = ucontrol->value.integer.value[0] ? 0x28 : 0x2a; | 
|  | if (reg != list->kctl->private_value) | 
|  | return 0; | 
|  |  | 
|  | kcontrol->private_value = reg; | 
|  | err = snd_microii_spdif_switch_update(list); | 
|  | return err < 0 ? err : 1; | 
|  | } | 
|  |  | 
|  | static struct snd_kcontrol_new snd_microii_mixer_spdif[] = { | 
|  | { | 
|  | .iface =    SNDRV_CTL_ELEM_IFACE_PCM, | 
|  | .name =     SNDRV_CTL_NAME_IEC958("", PLAYBACK, DEFAULT), | 
|  | .info =     snd_microii_spdif_info, | 
|  | .get =      snd_microii_spdif_default_get, | 
|  | .put =      snd_microii_spdif_default_put, | 
|  | .private_value = 0x00000100UL,/* reset value */ | 
|  | }, | 
|  | { | 
|  | .access =   SNDRV_CTL_ELEM_ACCESS_READ, | 
|  | .iface =    SNDRV_CTL_ELEM_IFACE_PCM, | 
|  | .name =     SNDRV_CTL_NAME_IEC958("", PLAYBACK, MASK), | 
|  | .info =     snd_microii_spdif_info, | 
|  | .get =      snd_microii_spdif_mask_get, | 
|  | }, | 
|  | { | 
|  | .iface =    SNDRV_CTL_ELEM_IFACE_MIXER, | 
|  | .name =     SNDRV_CTL_NAME_IEC958("", PLAYBACK, SWITCH), | 
|  | .info =     snd_ctl_boolean_mono_info, | 
|  | .get =      snd_microii_spdif_switch_get, | 
|  | .put =      snd_microii_spdif_switch_put, | 
|  | .private_value = 0x00000028UL,/* reset value */ | 
|  | } | 
|  | }; | 
|  |  | 
|  | static int snd_microii_controls_create(struct usb_mixer_interface *mixer) | 
|  | { | 
|  | int err, i; | 
|  | static const usb_mixer_elem_resume_func_t resume_funcs[] = { | 
|  | snd_microii_spdif_default_update, | 
|  | NULL, | 
|  | snd_microii_spdif_switch_update | 
|  | }; | 
|  |  | 
|  | for (i = 0; i < ARRAY_SIZE(snd_microii_mixer_spdif); ++i) { | 
|  | err = add_single_ctl_with_resume(mixer, 0, | 
|  | resume_funcs[i], | 
|  | &snd_microii_mixer_spdif[i], | 
|  | NULL); | 
|  | if (err < 0) | 
|  | return err; | 
|  | } | 
|  |  | 
|  | return 0; | 
|  | } | 
|  |  | 
|  | /* Creative Sound Blaster E1 */ | 
|  |  | 
|  | static int snd_soundblaster_e1_switch_get(struct snd_kcontrol *kcontrol, | 
|  | struct snd_ctl_elem_value *ucontrol) | 
|  | { | 
|  | ucontrol->value.integer.value[0] = kcontrol->private_value; | 
|  | return 0; | 
|  | } | 
|  |  | 
|  | static int snd_soundblaster_e1_switch_update(struct usb_mixer_interface *mixer, | 
|  | unsigned char state) | 
|  | { | 
|  | struct snd_usb_audio *chip = mixer->chip; | 
|  | int err; | 
|  | unsigned char buff[2]; | 
|  |  | 
|  | buff[0] = 0x02; | 
|  | buff[1] = state ? 0x02 : 0x00; | 
|  |  | 
|  | err = snd_usb_lock_shutdown(chip); | 
|  | if (err < 0) | 
|  | return err; | 
|  | err = snd_usb_ctl_msg(chip->dev, | 
|  | usb_sndctrlpipe(chip->dev, 0), HID_REQ_SET_REPORT, | 
|  | USB_TYPE_CLASS | USB_RECIP_INTERFACE | USB_DIR_OUT, | 
|  | 0x0202, 3, buff, 2); | 
|  | snd_usb_unlock_shutdown(chip); | 
|  | return err; | 
|  | } | 
|  |  | 
|  | static int snd_soundblaster_e1_switch_put(struct snd_kcontrol *kcontrol, | 
|  | struct snd_ctl_elem_value *ucontrol) | 
|  | { | 
|  | struct usb_mixer_elem_list *list = snd_kcontrol_chip(kcontrol); | 
|  | unsigned char value = !!ucontrol->value.integer.value[0]; | 
|  | int err; | 
|  |  | 
|  | if (kcontrol->private_value == value) | 
|  | return 0; | 
|  | kcontrol->private_value = value; | 
|  | err = snd_soundblaster_e1_switch_update(list->mixer, value); | 
|  | return err < 0 ? err : 1; | 
|  | } | 
|  |  | 
|  | static int snd_soundblaster_e1_switch_resume(struct usb_mixer_elem_list *list) | 
|  | { | 
|  | return snd_soundblaster_e1_switch_update(list->mixer, | 
|  | list->kctl->private_value); | 
|  | } | 
|  |  | 
|  | static int snd_soundblaster_e1_switch_info(struct snd_kcontrol *kcontrol, | 
|  | struct snd_ctl_elem_info *uinfo) | 
|  | { | 
|  | static const char *const texts[2] = { | 
|  | "Mic", "Aux" | 
|  | }; | 
|  |  | 
|  | return snd_ctl_enum_info(uinfo, 1, ARRAY_SIZE(texts), texts); | 
|  | } | 
|  |  | 
|  | static struct snd_kcontrol_new snd_soundblaster_e1_input_switch = { | 
|  | .iface = SNDRV_CTL_ELEM_IFACE_MIXER, | 
|  | .name = "Input Source", | 
|  | .info = snd_soundblaster_e1_switch_info, | 
|  | .get = snd_soundblaster_e1_switch_get, | 
|  | .put = snd_soundblaster_e1_switch_put, | 
|  | .private_value = 0, | 
|  | }; | 
|  |  | 
|  | static int snd_soundblaster_e1_switch_create(struct usb_mixer_interface *mixer) | 
|  | { | 
|  | return add_single_ctl_with_resume(mixer, 0, | 
|  | snd_soundblaster_e1_switch_resume, | 
|  | &snd_soundblaster_e1_input_switch, | 
|  | NULL); | 
|  | } | 
|  |  | 
|  | static void dell_dock_init_vol(struct snd_usb_audio *chip, int ch, int id) | 
|  | { | 
|  | u16 buf = 0; | 
|  |  | 
|  | snd_usb_ctl_msg(chip->dev, usb_sndctrlpipe(chip->dev, 0), UAC_SET_CUR, | 
|  | USB_RECIP_INTERFACE | USB_TYPE_CLASS | USB_DIR_OUT, | 
|  | ch, snd_usb_ctrl_intf(chip) | (id << 8), | 
|  | &buf, 2); | 
|  | } | 
|  |  | 
|  | static int dell_dock_mixer_init(struct usb_mixer_interface *mixer) | 
|  | { | 
|  | /* fix to 0dB playback volumes */ | 
|  | dell_dock_init_vol(mixer->chip, 1, 16); | 
|  | dell_dock_init_vol(mixer->chip, 2, 16); | 
|  | dell_dock_init_vol(mixer->chip, 1, 19); | 
|  | dell_dock_init_vol(mixer->chip, 2, 19); | 
|  | return 0; | 
|  | } | 
|  |  | 
|  | int snd_usb_mixer_apply_create_quirk(struct usb_mixer_interface *mixer) | 
|  | { | 
|  | int err = 0; | 
|  | struct snd_info_entry *entry; | 
|  |  | 
|  | err = snd_usb_soundblaster_remote_init(mixer); | 
|  | if (err < 0) | 
|  | return err; | 
|  |  | 
|  | switch (mixer->chip->usb_id) { | 
|  | /* Tascam US-16x08 */ | 
|  | case USB_ID(0x0644, 0x8047): | 
|  | err = snd_us16x08_controls_create(mixer); | 
|  | break; | 
|  | case USB_ID(0x041e, 0x3020): | 
|  | case USB_ID(0x041e, 0x3040): | 
|  | case USB_ID(0x041e, 0x3042): | 
|  | case USB_ID(0x041e, 0x30df): | 
|  | case USB_ID(0x041e, 0x3048): | 
|  | err = snd_audigy2nx_controls_create(mixer); | 
|  | if (err < 0) | 
|  | break; | 
|  | if (!snd_card_proc_new(mixer->chip->card, "audigy2nx", &entry)) | 
|  | snd_info_set_text_ops(entry, mixer, | 
|  | snd_audigy2nx_proc_read); | 
|  | break; | 
|  |  | 
|  | /* EMU0204 */ | 
|  | case USB_ID(0x041e, 0x3f19): | 
|  | err = snd_emu0204_controls_create(mixer); | 
|  | break; | 
|  |  | 
|  | case USB_ID(0x0763, 0x2030): /* M-Audio Fast Track C400 */ | 
|  | case USB_ID(0x0763, 0x2031): /* M-Audio Fast Track C400 */ | 
|  | err = snd_c400_create_mixer(mixer); | 
|  | break; | 
|  |  | 
|  | case USB_ID(0x0763, 0x2080): /* M-Audio Fast Track Ultra */ | 
|  | case USB_ID(0x0763, 0x2081): /* M-Audio Fast Track Ultra 8R */ | 
|  | err = snd_ftu_create_mixer(mixer); | 
|  | break; | 
|  |  | 
|  | case USB_ID(0x0b05, 0x1739): /* ASUS Xonar U1 */ | 
|  | case USB_ID(0x0b05, 0x1743): /* ASUS Xonar U1 (2) */ | 
|  | case USB_ID(0x0b05, 0x17a0): /* ASUS Xonar U3 */ | 
|  | err = snd_xonar_u1_controls_create(mixer); | 
|  | break; | 
|  |  | 
|  | case USB_ID(0x0d8c, 0x0103): /* Audio Advantage Micro II */ | 
|  | err = snd_microii_controls_create(mixer); | 
|  | break; | 
|  |  | 
|  | case USB_ID(0x0dba, 0x1000): /* Digidesign Mbox 1 */ | 
|  | err = snd_mbox1_create_sync_switch(mixer); | 
|  | break; | 
|  |  | 
|  | case USB_ID(0x17cc, 0x1011): /* Traktor Audio 6 */ | 
|  | err = snd_nativeinstruments_create_mixer(mixer, | 
|  | snd_nativeinstruments_ta6_mixers, | 
|  | ARRAY_SIZE(snd_nativeinstruments_ta6_mixers)); | 
|  | break; | 
|  |  | 
|  | case USB_ID(0x17cc, 0x1021): /* Traktor Audio 10 */ | 
|  | err = snd_nativeinstruments_create_mixer(mixer, | 
|  | snd_nativeinstruments_ta10_mixers, | 
|  | ARRAY_SIZE(snd_nativeinstruments_ta10_mixers)); | 
|  | break; | 
|  |  | 
|  | case USB_ID(0x200c, 0x1018): /* Electrix Ebox-44 */ | 
|  | /* detection is disabled in mixer_maps.c */ | 
|  | err = snd_create_std_mono_table(mixer, ebox44_table); | 
|  | break; | 
|  |  | 
|  | case USB_ID(0x1235, 0x8012): /* Focusrite Scarlett 6i6 */ | 
|  | case USB_ID(0x1235, 0x8002): /* Focusrite Scarlett 8i6 */ | 
|  | case USB_ID(0x1235, 0x8004): /* Focusrite Scarlett 18i6 */ | 
|  | case USB_ID(0x1235, 0x8014): /* Focusrite Scarlett 18i8 */ | 
|  | case USB_ID(0x1235, 0x800c): /* Focusrite Scarlett 18i20 */ | 
|  | err = snd_scarlett_controls_create(mixer); | 
|  | break; | 
|  |  | 
|  | case USB_ID(0x041e, 0x323b): /* Creative Sound Blaster E1 */ | 
|  | err = snd_soundblaster_e1_switch_create(mixer); | 
|  | break; | 
|  | case USB_ID(0x0bda, 0x4014): /* Dell WD15 dock */ | 
|  | err = dell_dock_mixer_init(mixer); | 
|  | break; | 
|  | } | 
|  |  | 
|  | return err; | 
|  | } | 
|  |  | 
|  | #ifdef CONFIG_PM | 
|  | void snd_usb_mixer_resume_quirk(struct usb_mixer_interface *mixer) | 
|  | { | 
|  | switch (mixer->chip->usb_id) { | 
|  | case USB_ID(0x0bda, 0x4014): /* Dell WD15 dock */ | 
|  | dell_dock_mixer_init(mixer); | 
|  | break; | 
|  | } | 
|  | } | 
|  | #endif | 
|  |  | 
|  | void snd_usb_mixer_rc_memory_change(struct usb_mixer_interface *mixer, | 
|  | int unitid) | 
|  | { | 
|  | if (!mixer->rc_cfg) | 
|  | return; | 
|  | /* unit ids specific to Extigy/Audigy 2 NX: */ | 
|  | switch (unitid) { | 
|  | case 0: /* remote control */ | 
|  | mixer->rc_urb->dev = mixer->chip->dev; | 
|  | usb_submit_urb(mixer->rc_urb, GFP_ATOMIC); | 
|  | break; | 
|  | case 4: /* digital in jack */ | 
|  | case 7: /* line in jacks */ | 
|  | case 19: /* speaker out jacks */ | 
|  | case 20: /* headphones out jack */ | 
|  | break; | 
|  | /* live24ext: 4 = line-in jack */ | 
|  | case 3:	/* hp-out jack (may actuate Mute) */ | 
|  | if (mixer->chip->usb_id == USB_ID(0x041e, 0x3040) || | 
|  | mixer->chip->usb_id == USB_ID(0x041e, 0x3048)) | 
|  | snd_usb_mixer_notify_id(mixer, mixer->rc_cfg->mute_mixer_id); | 
|  | break; | 
|  | default: | 
|  | usb_audio_dbg(mixer->chip, "memory change in unknown unit %d\n", unitid); | 
|  | break; | 
|  | } | 
|  | } | 
|  |  | 
|  | static void snd_dragonfly_quirk_db_scale(struct usb_mixer_interface *mixer, | 
|  | struct usb_mixer_elem_info *cval, | 
|  | struct snd_kcontrol *kctl) | 
|  | { | 
|  | /* Approximation using 10 ranges based on output measurement on hw v1.2. | 
|  | * This seems close to the cubic mapping e.g. alsamixer uses. */ | 
|  | static const DECLARE_TLV_DB_RANGE(scale, | 
|  | 0,  1, TLV_DB_MINMAX_ITEM(-5300, -4970), | 
|  | 2,  5, TLV_DB_MINMAX_ITEM(-4710, -4160), | 
|  | 6,  7, TLV_DB_MINMAX_ITEM(-3884, -3710), | 
|  | 8, 14, TLV_DB_MINMAX_ITEM(-3443, -2560), | 
|  | 15, 16, TLV_DB_MINMAX_ITEM(-2475, -2324), | 
|  | 17, 19, TLV_DB_MINMAX_ITEM(-2228, -2031), | 
|  | 20, 26, TLV_DB_MINMAX_ITEM(-1910, -1393), | 
|  | 27, 31, TLV_DB_MINMAX_ITEM(-1322, -1032), | 
|  | 32, 40, TLV_DB_MINMAX_ITEM(-968, -490), | 
|  | 41, 50, TLV_DB_MINMAX_ITEM(-441, 0), | 
|  | ); | 
|  |  | 
|  | if (cval->min == 0 && cval->max == 50) { | 
|  | usb_audio_info(mixer->chip, "applying DragonFly dB scale quirk (0-50 variant)\n"); | 
|  | kctl->tlv.p = scale; | 
|  | kctl->vd[0].access |= SNDRV_CTL_ELEM_ACCESS_TLV_READ; | 
|  | kctl->vd[0].access &= ~SNDRV_CTL_ELEM_ACCESS_TLV_CALLBACK; | 
|  |  | 
|  | } else if (cval->min == 0 && cval->max <= 1000) { | 
|  | /* Some other clearly broken DragonFly variant. | 
|  | * At least a 0..53 variant (hw v1.0) exists. | 
|  | */ | 
|  | usb_audio_info(mixer->chip, "ignoring too narrow dB range on a DragonFly device"); | 
|  | kctl->vd[0].access &= ~SNDRV_CTL_ELEM_ACCESS_TLV_CALLBACK; | 
|  | } | 
|  | } | 
|  |  | 
|  | void snd_usb_mixer_fu_apply_quirk(struct usb_mixer_interface *mixer, | 
|  | struct usb_mixer_elem_info *cval, int unitid, | 
|  | struct snd_kcontrol *kctl) | 
|  | { | 
|  | switch (mixer->chip->usb_id) { | 
|  | case USB_ID(0x21b4, 0x0081): /* AudioQuest DragonFly */ | 
|  | if (unitid == 7 && cval->control == UAC_FU_VOLUME) | 
|  | snd_dragonfly_quirk_db_scale(mixer, cval, kctl); | 
|  | break; | 
|  | /* lowest playback value is muted on C-Media devices */ | 
|  | case USB_ID(0x0d8c, 0x000c): | 
|  | case USB_ID(0x0d8c, 0x0014): | 
|  | if (strstr(kctl->id.name, "Playback")) | 
|  | cval->min_mute = 1; | 
|  | break; | 
|  | } | 
|  | } | 
|  |  |