CHROMIUM: ASoC: max98088 - expose digital mic enable switches.

Add a control for enable right and left digital mic.  This control
routes the digital mic input through the ADC.  It must be disabled for
analog input to work.

BUG=chrome-os-partner:18454
TEST=toggle switches, see changes with i2cdump.

Signed-off-by: Dylan Reid <dgreid@chromium.org>
Change-Id: I8ed493ce9aea4f94f4feda23172e2e3251e27b51
Reviewed-on: https://gerrit.chromium.org/gerrit/46904
Reviewed-by: Vincent Palatin <vpalatin@chromium.org>

diff --git a/sound/soc/codecs/max98088.c b/sound/soc/codecs/max98088.c
index 281fc44..2f37918 100644 (file)
--- a/sound/soc/codecs/max98088.c
+++ b/sound/soc/codecs/max98088.c
@@ -794,6 +794,9 @@ static const struct snd_kcontrol_new max98088_snd_controls[] = {
        SOC_SINGLE("ADCL Boost Volume", M98088_REG_33_LVL_ADC_L, 4, 3, 0),
        SOC_SINGLE("ADCR Boost Volume", M98088_REG_34_LVL_ADC_R, 4, 3, 0),
 
+       SOC_SINGLE("DIGMICR Switch", M98088_REG_48_CFG_MIC, 4, 1, 0),
+       SOC_SINGLE("DIGMICL Switch", M98088_REG_48_CFG_MIC, 5, 1, 0),
+
        SOC_SINGLE("EQ1 Switch", M98088_REG_49_CFG_LEVEL, 0, 1, 0),
        SOC_SINGLE("EQ2 Switch", M98088_REG_49_CFG_LEVEL, 1, 1, 0),