| From 7c518a4bc8102c179a6a6775aca48d0fe78c5ca4 Mon Sep 17 00:00:00 2001 |
| From: Sameer Nanda <snanda@chromium.org> |
| Date: Thu, 22 Apr 2010 17:16:47 -0700 |
| Subject: [PATCH 5/8] Added WiFi power management support. Saves 0.3-0.8W at idle. |
| |
| Review URL: http://codereview.chromium.org/1769003 |
| --- |
| .../etc/laptop-mode/conf.d/wifi-powermgmt.conf | 23 +++++++++++++++++++ |
| .../share/laptop-mode-tools/modules/wifi-powermgmt | 24 ++++++++++++++++++++ |
| 2 files changed, 47 insertions(+), 0 deletions(-) |
| create mode 100644 laptop-mode-tools_1.57/etc/laptop-mode/conf.d/wifi-powermgmt.conf |
| create mode 100755 laptop-mode-tools_1.57/usr/share/laptop-mode-tools/modules/wifi-powermgmt |
| |
| diff -ruN /dev/null laptop-mode-tools_1.57/etc/laptop-mode/conf.d/wifi-powermgmt.conf |
| new file mode 100644 |
| index 0000000..6ec4fec |
| --- /dev/null |
| +++ laptop-mode-tools_1.57/etc/laptop-mode/conf.d/wifi-powermgmt.conf |
| @@ -0,0 +1,23 @@ |
| +# |
| +# Configuration file for Laptop Mode Tools module wifi-powermgmt. |
| +# |
| +# For more information, consult the laptop-mode.conf(8) manual page. |
| +# |
| + |
| + |
| +############################################################################### |
| +# WiFi power management settings |
| +# ------------------------------------ |
| +# |
| +# If you enable this setting, laptop mode tools will automatically enable the |
| +# power management for all WiFi devices in the system |
| +# |
| +############################################################################### |
| + |
| +# Enable debug mode for this module |
| +# Set to 1 if you want to debug this module |
| +DEBUG=0 |
| + |
| +# Control WiFi power management? |
| +CONTROL_WIFI_POWER=1 |
| + |
| diff -ruN /dev/null laptop-mode-tools_1.57/usr/share/laptop-mode-tools/modules/wifi-powermgmt |
| new file mode 100755 |
| index 0000000..2efb1a6 |
| --- /dev/null |
| +++ laptop-mode-tools_1.57/usr/share/laptop-mode-tools/modules/wifi-powermgmt |
| @@ -0,0 +1,24 @@ |
| +IWCONFIG=iwconfig |
| + |
| +if [ x$CONTROL_WIFI_POWER = x1 ] ; then |
| + if [ $ON_AC -eq 1 ] ; then |
| + power_mgmt="off" |
| + else |
| + power_mgmt="on" |
| + fi |
| + |
| + for DEVICE in /sys/class/net/* ; do |
| + if [ -d $DEVICE/wireless ]; then |
| + dev=`basename $DEVICE` |
| + $IWCONFIG $dev power $power_mgmt |
| + ret=$? |
| + if [ "$ret" = "0" ]; then |
| + log "VERBOSE" "Power Management set to $power_mgmt for $dev." |
| + else |
| + log "VERBOSE" "Failed to set Power Management to $power_mgmt for $dev." |
| + fi |
| + fi |
| + done |
| +else |
| + log "VERBOSE" "WiFi power setting is disabled." |
| +fi |
| -- |
| 1.7.2.3 |
| |