diff options
Diffstat (limited to 'include/sound/soc.h')
| -rw-r--r-- | include/sound/soc.h | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/include/sound/soc.h b/include/sound/soc.h index f8a79c17628e..94a2dc20ad6e 100644 --- a/include/sound/soc.h +++ b/include/sound/soc.h @@ -778,6 +778,7 @@ struct snd_soc_platform_driver { int (*remove)(struct snd_soc_platform *); int (*suspend)(struct snd_soc_dai *dai); int (*resume)(struct snd_soc_dai *dai); + struct snd_soc_component_driver component_driver; /* pcm creation and destruction */ int (*pcm_new)(struct snd_soc_pcm_runtime *); @@ -831,6 +832,8 @@ struct snd_soc_platform { struct list_head list; struct list_head card_list; + struct snd_soc_component component; + struct snd_soc_dapm_context dapm; #ifdef CONFIG_DEBUG_FS @@ -1107,6 +1110,19 @@ static inline struct snd_soc_codec *snd_soc_component_to_codec( return container_of(component, struct snd_soc_codec, component); } +/** + * snd_soc_component_to_platform() - Casts a component to the platform it is embedded in + * @component: The component to cast to a platform + * + * This function must only be used on components that are known to be platforms. + * Otherwise the behavior is undefined. + */ +static inline struct snd_soc_platform *snd_soc_component_to_platform( + struct snd_soc_component *component) +{ + return container_of(component, struct snd_soc_platform, component); +} + /* codec IO */ unsigned int snd_soc_read(struct snd_soc_codec *codec, unsigned int reg); unsigned int snd_soc_write(struct snd_soc_codec *codec, |