[ALSA] Add helper functions for frequently used callbacks

Added helper functions for frequenty used callbacks:
  snd_ctl_boolean_mono_info() and snd_ctl_boolean_stereo_info()

Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Jaroslav Kysela <perex@suse.cz>
This commit is contained in:
Takashi Iwai
2007-07-23 15:41:34 +02:00
committed by Jaroslav Kysela
parent 90fd5ce5f6
commit b9ed4f2b68
2 changed files with 35 additions and 0 deletions

View File

@@ -161,4 +161,12 @@ static inline struct snd_ctl_elem_id *snd_ctl_build_ioff(struct snd_ctl_elem_id
return dst_id;
}
/*
* Frequently used control callbacks
*/
int snd_ctl_boolean_mono_info(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_info *uinfo);
int snd_ctl_boolean_stereo_info(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_info *uinfo);
#endif /* __SOUND_CONTROL_H */