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authorLars-Peter Clausen <lars@metafoo.de>2013-07-24 17:27:38 +0400
committerMark Brown <broonie@linaro.org>2013-07-24 17:56:19 +0400
commit6b3fc03b3b614ced09df96ca60ab6f627d8c240c (patch)
tree0c8dcd214e033bf050a70fa10cce10bbaacf40e7 /include/sound/soc-dapm.h
parentce6cfaf1de136cd3e6ed7c0ed984be8d003a58c1 (diff)
downloadlinux-6b3fc03b3b614ced09df96ca60ab6f627d8c240c.tar.xz
ASoC: dapm: Add a update parameter to snd_soc_dapm_{mux,mixer}_update_power
In order to avoid race conditions the assignment of dapm->update should happen while card->dapm_mutex is being held. To allow CODEC drivers to run a register update when using snd_soc_dapm_mux_update_power() or snd_soc_dapm_mixer_update_power() add a update parameter to these two functions. The update parameter will be assigned to dapm->update while card->dapm_mutex is locked. Signed-off-by: Lars-Peter Clausen <lars@metafoo.de> Signed-off-by: Mark Brown <broonie@linaro.org>
Diffstat (limited to 'include/sound/soc-dapm.h')
-rw-r--r--include/sound/soc-dapm.h7
1 files changed, 5 insertions, 2 deletions
diff --git a/include/sound/soc-dapm.h b/include/sound/soc-dapm.h
index 3717ad089486..e77c6f5a8390 100644
--- a/include/sound/soc-dapm.h
+++ b/include/sound/soc-dapm.h
@@ -333,6 +333,7 @@ struct snd_soc_dapm_route;
struct snd_soc_dapm_context;
struct regulator;
struct snd_soc_dapm_widget_list;
+struct snd_soc_dapm_update;
int dapm_reg_event(struct snd_soc_dapm_widget *w,
struct snd_kcontrol *kcontrol, int event);
@@ -392,9 +393,11 @@ void snd_soc_dapm_shutdown(struct snd_soc_card *card);
/* external DAPM widget events */
int snd_soc_dapm_mixer_update_power(struct snd_soc_dapm_context *dapm,
- struct snd_kcontrol *kcontrol, int connect);
+ struct snd_kcontrol *kcontrol, int connect,
+ struct snd_soc_dapm_update *update);
int snd_soc_dapm_mux_update_power(struct snd_soc_dapm_context *dapm,
- struct snd_kcontrol *kcontrol, int mux, struct soc_enum *e);
+ struct snd_kcontrol *kcontrol, int mux, struct soc_enum *e,
+ struct snd_soc_dapm_update *update);
/* dapm sys fs - used by the core */
int snd_soc_dapm_sys_add(struct device *dev);