[ALSA] soc - DAPM - add hook to read state of DAPM widget
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>
diff --git a/include/sound/soc-dapm.h b/include/sound/soc-dapm.h
index a105b01..40cc695 100644
--- a/include/sound/soc-dapm.h
+++ b/include/sound/soc-dapm.h
@@ -223,6 +223,8 @@
/* 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 */