table of contents
other versions
- wheezy 3.2.78-1
SND_CTL_FIND_ID(9) | Sound Devices | SND_CTL_FIND_ID(9) |
NAME¶
snd_ctl_find_id - find the control instance with the given idSYNOPSIS¶
struct
snd_kcontrol *
snd_ctl_find_id(struct snd_card * card,
struct snd_ctl_elem_id * id);
ARGUMENTS¶
cardthe card instance
id
the id to search
DESCRIPTION¶
Finds the control instance with the given id from the card. Returns the pointer of the instance if found, or NULL if not. The caller must down card->controls_rwsem before calling this function (if the race condition can happen).COPYRIGHT¶
March 2016 | Kernel Hackers Manual 3.2. |