diff options
Diffstat (limited to 'include')
-rw-r--r-- | include/tinyalsa/asoundlib.h | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/include/tinyalsa/asoundlib.h b/include/tinyalsa/asoundlib.h index ddd7a01..525fef7 100644 --- a/include/tinyalsa/asoundlib.h +++ b/include/tinyalsa/asoundlib.h @@ -215,6 +215,12 @@ unsigned int mixer_ctl_get_num_enums(struct mixer_ctl *ctl); const char *mixer_ctl_get_enum_string(struct mixer_ctl *ctl, unsigned int enum_id); +/* Some sound cards update their controls due to external events, + * such as HDMI EDID byte data changing when an HDMI cable is + * connected. This API allows the count of elements to be updated. + */ +void mixer_ctl_update(struct mixer_ctl *ctl); + /* Set and get mixer controls */ int mixer_ctl_get_percent(struct mixer_ctl *ctl, unsigned int id); int mixer_ctl_set_percent(struct mixer_ctl *ctl, unsigned int id, int percent); |