From dd6e1435ce289d3fb3da462e43a9712192696218 Mon Sep 17 00:00:00 2001
From: root <root@maclaughlin.(none)>
Date: Fri, 2 Mar 2012 15:11:40 +0100
Subject: [PATCH] sound: (arm) use /proc/asound/cards to detect soundcard
 changes if PCI bus is missing

---
 postplug.d/35sound | 13 +++++++++++--
 1 file changed, 11 insertions(+), 2 deletions(-)

diff --git a/postplug.d/35sound b/postplug.d/35sound
index 764eebc..f5bf9d4 100644
--- a/postplug.d/35sound
+++ b/postplug.d/35sound
@@ -73,7 +73,16 @@ set 'Audigy Analog/Digital Output Jack' off
 _EOF
 }
 
-SOUND_DEV="`lspci -n | grep " 04[0-9][0-9]: "`"
+if [ -e /proc/bus/pci ]; then
+   SOUND_DEV="`lspci -n | grep " 04[0-9][0-9]: "`"
+fi
+if [ ! "$SOUND_DEV" ]; then
+   if [ -e /proc/asound/cards ]; then
+      SOUND_DEV="`md5sum /proc/asound/cards 2>/dev/null`"
+   else
+      SOUND_DEV="missing"
+   fi
+fi
 
 if [ "$SOUND_FORCE_RESCAN" != "on" -a "$SOUND_FORCE_RESCAN" != "1" ]; then
    if [ -e $postpluglibdir/sound.cache ]; then
@@ -87,7 +96,7 @@ fi
 echo "$SOUND_DEV" > $postpluglibdir/sound.cache
 for c in /proc/asound/card[0-9]*; do
    id=`cat $c/id`
-   codec=`grep Codec: $c/codec* | head -n1`
+   codec=`grep Codec: $c/codec* 2>/dev/null | head -n1`
    logmsg "$me" $"setting volumes for $id sound card ($codec)"
    index=${d1/*card}
    set_mixers $index