net-wireless/bluez/files/bluez-autopair.patch

From 36358d4a7b3471f5a124a95fec9ed0e4871299e0 Mon Sep 17 00:00:00 2001
From: Scott James Remnant <scott@netsplit.com>
Date: Wed, 18 Apr 2012 15:53:55 -0700
Subject: [PATCH 14/14] autopair: use 0000 as PIN for dumb devices

Android tries 0000 for a set of audio devices, so follow suit and
do the same even though most audio devices support SSP these days.

BUG=chromium-os:25211
TEST=verified with audio devices after 'hciconfig hci0 sspmode 0'
---
 plugins/autopair.c |   26 +++++++++++++++++++++++---
 1 files changed, 23 insertions(+), 3 deletions(-)

diff --git a/plugins/autopair.c b/plugins/autopair.c
index 05de3ff..5b773c5 100644
--- a/plugins/autopair.c
+++ b/plugins/autopair.c
@@ -150,10 +150,24 @@ static ssize_t autopair_pincb(struct btd_adapter *adapter,
 	}
 
 	switch ((class & 0x1f00) >> 8) {
-	case 0x05:
+	case 0x04: // Audio/Video
+		switch ((class & 0xfc) >> 2) {
+		case 0x01: // Wearable Headset Device
+		case 0x02: // Hands-free Device
+		case 0x06: // Headphones
+		case 0x07: // Portable Audio
+		case 0x0a: // HiFi Audio Device
+			if (autopair_attempt(device)) {
+				memcpy(pinbuf, "0000", 4);
+				return 4;
+			}
+			break;
+		}
+		break;
+	case 0x05: // Peripheral
 		switch ((class & 0xc0) >> 6) {
-		case 0x01:
-		case 0x03:
+		case 0x01: // Keyboard
+		case 0x03: // Combo keyboard/pointing device
 			if (autopair_attempt(device)) {
 				char pinstr[7];
 				srand(time(NULL));
@@ -164,6 +178,12 @@ static ssize_t autopair_pincb(struct btd_adapter *adapter,
 				return 6;
 			}
 			break;
+		case 0x02: // Pointing device
+			if (autopair_attempt(device)) {
+				memcpy(pinbuf, "0000", 4);
+				return 4;
+			}
+			break;
 		}
 		break;
 	}
-- 
1.7.7.3