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snd_ctl_find_numid
Langue: en
Version: May 2009 (fedora - 06/07/09)
Section: 9 (Appels noyau Linux)
NAME
snd_ctl_find_numid - find the control instance with the given number-idSYNOPSIS
- struct snd_kcontrol * snd_ctl_find_numid(struct snd_card * card, unsigned int numid);
ARGUMENTS
card
- the card instance
numid
- the number-id to search
DESCRIPTION
Finds the control instance with the given number-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).
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