diff options
Diffstat (limited to 'include/sound')
| -rw-r--r-- | include/sound/soc.h | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/include/sound/soc.h b/include/sound/soc.h index 37b470c1e127..9ce6d20899b4 100644 --- a/include/sound/soc.h +++ b/include/sound/soc.h @@ -1104,6 +1104,19 @@ struct soc_enum { const unsigned int *values; }; +/** + * snd_soc_component_to_codec() - Casts a component to the CODEC it is embedded in + * @component: The component to cast to a CODEC + * + * This function must only be used on components that are known to be CODECs. + * Otherwise the behavior is undefined. + */ +static inline struct snd_soc_codec *snd_soc_component_to_codec( + struct snd_soc_component *component) +{ + return container_of(component, struct snd_soc_codec, 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, |