snd_ctl_find_numid man page on Oracle

snd_ctl_find_numid man page on Oracle

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SND_CTL_FIND_NUMID(9)	       Control/Mixer API	 SND_CTL_FIND_NUMID(9)

NAME
       snd_ctl_find_numid - find the control instance with the given number-id

SYNOPSIS
       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).

COPYRIGHT
Kernel Hackers Manual 3.8.	   June 2014		 SND_CTL_FIND_NUMID(9)

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