1 files changed, 44 insertions, 0 deletions

diff --git a/meta/recipes-kernel/linux/linux-rp-2.6.23/wm9712-reset-loop-r2.patch b/meta/recipes-kernel/linux/linux-rp-2.6.23/wm9712-reset-loop-r2.patch
new file mode 100644
index 0000000000..78e81ea83a
--- /dev/null
+++ b/meta/recipes-kernel/linux/linux-rp-2.6.23/wm9712-reset-loop-r2.patch
@@ -0,0 +1,44 @@
+ sound/soc/codecs/wm9712.c |   28 ++++++++++++++++++----------
+ 1 file changed, 18 insertions(+), 10 deletions(-)
+
+Index: git/sound/soc/codecs/wm9712.c
+===================================================================
+--- git.orig/sound/soc/codecs/wm9712.c  2006-11-07 22:10:01.000000000 +0000
++++ git/sound/soc/codecs/wm9712.c       2006-11-07 22:11:50.000000000 +0000
+@@ -618,18 +618,26 @@ static int wm9712_dapm_event(struct snd_
+ 
+ static int wm9712_reset(struct snd_soc_codec *codec, int try_warm)
+ {
+-       if (try_warm && soc_ac97_ops.warm_reset) {
+-               soc_ac97_ops.warm_reset(codec->ac97);
+-               if (!(ac97_read(codec, 0) & 0x8000))
+-                       return 1;
+-       }
++       int retry = 3;
+ 
+-       soc_ac97_ops.reset(codec->ac97);
+-       if (ac97_read(codec, 0) & 0x8000)
+-               goto err;
+-       return 0;
++       while (retry--)
++       {
++               if(try_warm && soc_ac97_ops.warm_reset) {
++                       soc_ac97_ops.warm_reset(codec->ac97);
++                       if(ac97_read(codec, 0) & 0x8000)
++                               continue;
++                       else
++                               return 1;
++               }
++
++               soc_ac97_ops.reset(codec->ac97);
++               if(ac97_read(codec, 0) & 0x8000)
++                       continue;
++               else
++                       return 0;
++
++       }
+ 
+-err:
+        printk(KERN_ERR "WM9712 AC97 reset failed\n");
+        return -EIO;
+ }