From fabe06337ed54e72aaa2bdd5a0b40e8bda61e46b Mon Sep 17 00:00:00 2001
From: Peter Simons <simons@cryp.to>
Date: Sun, 23 Sep 2012 22:26:49 +0200
Subject: [PATCH] alsa.nix: initialize the sound card before restoring
 previously stored settings

The sound card in my ThinkPad won't work unless "init" is run explicitly.
---
 modules/services/audio/alsa.nix | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/modules/services/audio/alsa.nix b/modules/services/audio/alsa.nix
index 8212b3f9fd0..fa63bc74cfc 100644
--- a/modules/services/audio/alsa.nix
+++ b/modules/services/audio/alsa.nix
@@ -56,8 +56,9 @@ in
           ''
             mkdir -m 0755 -p $(dirname ${soundState})
 
-            # Restore the sound state.
-            ${alsaUtils}/sbin/alsactl --ignore -f ${soundState} restore
+            # Try to restore the sound state.
+            ${alsaUtils}/sbin/alsactl --ignore init || true
+            ${alsaUtils}/sbin/alsactl --ignore -f ${soundState} restore || true
           '';
 
         postStop =