ALSA: control - add layer registration routines

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The layer registration allows to handle an extra functionality
on top of the control API. It can be used for the audio
LED control for example.

Signed-off-by: Jaroslav Kysela <perex@perex.cz>
Link: https://lore.kernel.org/r/20210317172945.842280-3-perex@perex.cz
Signed-off-by: Takashi Iwai <tiwai@suse.de>

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Jaroslav Kysela 2021-03-17 18:29:41 +01:00 • committed by Takashi Iwai

parent 1fa4445f9a

commit 3f0638a033

2 changed files with 120 additions and 2 deletions

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12

include/sound/control.h

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110

sound/core/control.c

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