[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>
diff --git a/sound/soc/soc-dapm.c b/sound/soc/soc-dapm.c
index 7caf8c7..96bce55 100644
--- a/sound/soc/soc-dapm.c
+++ b/sound/soc/soc-dapm.c
@@ -882,13 +882,15 @@
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;
}