ASoC: rt5645: add DAC1 soft volume func control
authorBard Liao <bardliao@realtek.com>
Thu, 7 Jul 2016 10:56:31 +0000 (18:56 +0800)
committerMark Brown <broonie@kernel.org>
Thu, 7 Jul 2016 12:08:48 +0000 (14:08 +0200)
commit467b147982bb063369a1222523fa503e0c077c30
tree0e52b9c9097a0abac531818f6317a4c6e6da27a3
parente62ebf156f009e0cadf11f5b680066cc6dc8fcfe
ASoC: rt5645: add DAC1 soft volume func control

This patch add an alsa control for DAC1 digital volume control function
selection. The options are:
0: Gain update immediately
1: Gain update when a zero crossing
2: Gain update when a zero crossing with a soft ramp

Signed-off-by: Bard Liao <bardliao@realtek.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
sound/soc/codecs/rt5645.c
sound/soc/codecs/rt5645.h