tree e848e1e8d807a45269d601106f46e64cf942f065
parent 436a74593c34275807fadef20344bbaca251b8d1
author Mark Brown <broonie@opensource.wolfsonmicro.com> 1218813753 +0100
committer Takashi Iwai <tiwai@suse.de> 1218815027 +0200

ALSA: wm8990: Implement speaker volume PGA

The latest revisions of the WM8990 provide a programmable gain amplifier
for the speaker - configure the register cache and implement controls
for this. Older revisions of the device ignore writes to these controls.

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>