From: Rongrong Cao rrcao at ambarella.com
This patch is based on for-2.6.32
In SOC DAPM layer of SOUND subsystem, when add signal route (in the function snd_soc_dapm_add_route() ),
the original code has wrong logic when dapm layer check each widget whether an external one.
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--- for-2.6.32/sound/soc/soc-dapm.c.orig 2009-07-08 13:33:41.000000000 +0800
+++ for-2.6.32/sound/soc/soc-dapm.c 2009-07-08 13:34:50.000000000 +0800
@@ -1290,8 +1290,8 @@ static int snd_soc_dapm_add_route(struct
if (wsink->id == snd_soc_dapm_input) {
if (wsource->id == snd_soc_dapm_micbias ||
wsource->id == snd_soc_dapm_mic ||
- wsink->id == snd_soc_dapm_line ||
- wsink->id == snd_soc_dapm_output)
+ wsource->id == snd_soc_dapm_line ||
+ wsource->id == snd_soc_dapm_output)
wsink->ext = 1;
}
if (wsource->id == snd_soc_dapm_output) {
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Signed-off-by: Rongrong Cao <rrcao at ambarella.com>
********************
Best regards!
Allen (Rongrong) Cao
Ambarella Shanghai Ltd.
Tel: (86-21) 50942311
Fax: (86-21) 50942321