1SND_CTL_REMOVE(9) Control/Mixer API SND_CTL_REMOVE(9)
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6 snd_ctl_remove - remove the control from the card and release it
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9 int snd_ctl_remove(struct snd_card * card,
10 struct snd_kcontrol * kcontrol);
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13 card
14 the card instance
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16 kcontrol
17 the control instance to remove
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20 Removes the control from the card and then releases the instance. You
21 don't need to call snd_ctl_free_one. You must be in the write lock -
22 down_write(card->controls_rwsem).
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25 0 if successful, or a negative error code on failure.
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28Kernel Hackers Manual 3.10 June 2019 SND_CTL_REMOVE(9)