diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/mixer.c | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/src/mixer.c b/src/mixer.c index 5fed4a8..4bb1756 100644 --- a/src/mixer.c +++ b/src/mixer.c @@ -195,6 +195,22 @@ unsigned int mixer_get_num_ctls(const struct mixer *mixer) } /** Gets a mixer control handle, by the mixer control's id. + * For non-const access, see @ref mixer_get_ctl + * @param mixer An initialized mixer handle. + * @param id The control's id in the given mixer. + * @returns A handle to the mixer control. + * @ingroup libtinyalsa-mixer + */ +const struct mixer_ctl *mixer_get_ctl_const(const struct mixer *mixer, unsigned int id) +{ + if (mixer && (id < mixer->count)) + return mixer->ctl + id; + + return NULL; +} + +/** Gets a mixer control handle, by the mixer control's id. + * For const access, see @ref mixer_get_ctl_const * @param mixer An initialized mixer handle. * @param id The control's id in the given mixer. * @returns A handle to the mixer control. |