ASoC: ak4642: Add ALC controls

ALC and ALC Zero crossing detection has been enabled unconditionally.
Add controls for this.

Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Signed-off-by: Mark Brown <broonie@linaro.org>
(cherry picked from commit 370f83a156e42d6c6997c65dbceb4bb7118e915a)
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>

diff --git a/sound/soc/codecs/ak4642.c b/sound/soc/codecs/ak4642.c
index 1f646c6..98f4b62 100644 (file)
--- a/sound/soc/codecs/ak4642.c
+++ b/sound/soc/codecs/ak4642.c
@@ -148,6 +148,8 @@ static const struct snd_kcontrol_new ak4642_snd_controls[] = {
 
        SOC_DOUBLE_R_TLV("Digital Playback Volume", L_DVC, R_DVC,
                         0, 0xFF, 1, out_tlv),
+       SOC_SINGLE("ALC Capture Switch", ALC_CTL1, 5, 1, 0),
+       SOC_SINGLE("ALC Capture ZC Switch", ALC_CTL1, 4, 1, 1),
 };
 
 static const struct snd_kcontrol_new ak4642_headphone_control =