diff options
| author | Seth Forshee <seth.forshee@gmail.com> | 2007-04-16 15:36:42 +0200 |
|---|---|---|
| committer | Jaroslav Kysela <perex@suse.cz> | 2007-05-11 16:56:00 +0200 |
| commit | 1e39221eba72e4af37b40e71749b0c18bb16b9a6 (patch) | |
| tree | d304dcd1f69e9311a327edd21b3f22abdd2b2ddc /sound/soc | |
| parent | 30652c4506c8bbfdf869ddc4c238e07de038f02a (diff) | |
| download | linux-1e39221eba72e4af37b40e71749b0c18bb16b9a6.tar.bz2 | |
[ALSA] ASoC DAPM switching for reentrant codec paths
This patch fixes an issue whereby power was applied to any inactive
analog path that would leave and reenter a codec (e.g. ACOP -> ACIN on
WM8753). This change now checks for such paths and DAPM will power them
down when not in use.
Signed-off-by: Seth Forshee <seth.forshee@gmail.com>
Signed-off-by: Liam Girdwood <lg@opensource.wolfsonmicro.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Jaroslav Kysela <perex@suse.cz>
Diffstat (limited to 'sound/soc')
| -rw-r--r-- | sound/soc/soc-dapm.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/sound/soc/soc-dapm.c b/sound/soc/soc-dapm.c index 7caf8c7b0ac5..96bce55572a0 100644 --- a/sound/soc/soc-dapm.c +++ b/sound/soc/soc-dapm.c @@ -882,13 +882,15 @@ int snd_soc_dapm_connect_input(struct snd_soc_codec *codec, const char *sink, 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_line || + wsink->id == snd_soc_dapm_output) wsink->ext = 1; } if (wsource->id == snd_soc_dapm_output) { if (wsink->id == snd_soc_dapm_spk || wsink->id == snd_soc_dapm_hp || - wsink->id == snd_soc_dapm_line) + wsink->id == snd_soc_dapm_line || + wsink->id == snd_soc_dapm_input) wsource->ext = 1; } |