1SND_CTL_FIND_ID(9)             Control/Mixer API            SND_CTL_FIND_ID(9)
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NAME

6       snd_ctl_find_id - find the control instance with the given id
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SYNOPSIS

9       struct snd_kcontrol * snd_ctl_find_id(struct snd_card * card,
10                                             struct snd_ctl_elem_id * id);
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ARGUMENTS

13       card
14           the card instance
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16       id
17           the id to search
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DESCRIPTION

20       Finds the control instance with the given id from the card.
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22       The caller must down card->controls_rwsem before calling this function
23       (if the race condition can happen).
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RETURN

26       The pointer of the instance if found, or NULL if not.
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29Kernel Hackers Manual 3.10         June 2019                SND_CTL_FIND_ID(9)
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