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[ALSA] soc - DAPM - add hook to read state of DAPM widget

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This adds a hook to read the power state of a DAPM widget, I use this
in the gta02 driver to expose certain DAPM widgets in the mixer for
ease of audio routing.

Signed-off-by: Graeme Gregory <graeme@openmoko.org>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Jaroslav Kysela <perex@perex.cz>
This commit is contained in:
Graeme Gregory 2008-04-30 19:27:40 +02:00 • committed by Jaroslav Kysela
commit eeec12bf7b
2 changed files with 25 additions and 0 deletions
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2
include/sound/soc-dapm.h
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@ -223,6 +223,8 @@ int snd_soc_dapm_sys_add(struct device *dev);
/* dapm audio endpoint control */
int snd_soc_dapm_set_endpoint(struct snd_soc_codec *codec,
char *pin, int status);
int snd_soc_dapm_get_endpoint_status(struct snd_soc_codec *codec,
char *pin);
int snd_soc_dapm_sync_endpoints(struct snd_soc_codec *codec);
/* dapm widget types */