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authorAlban Bedel <alban.bedel@avionic-design.de>2013-03-20 17:37:32 +0100
committerMark Brown <broonie@opensource.wolfsonmicro.com>2013-03-20 20:23:24 +0100
commit00aa0fac76c2f3b5a3543a63798af12c6d48b9b1 (patch)
treee6ddaa20cd3aade703eaced43b932bc981c83905
parentLinux 3.9-rc3 (diff)
downloadlinux-00aa0fac76c2f3b5a3543a63798af12c6d48b9b1.tar.xz
linux-00aa0fac76c2f3b5a3543a63798af12c6d48b9b1.zip
ASoC: wm8903: Add the DAC boost control
Signed-off-by: Alban Bedel <alban.bedel@avionic-design.de> Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
-rw-r--r--sound/soc/codecs/wm8903.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/sound/soc/codecs/wm8903.c b/sound/soc/codecs/wm8903.c
index 134e41c870b9..70e5eb200485 100644
--- a/sound/soc/codecs/wm8903.c
+++ b/sound/soc/codecs/wm8903.c
@@ -478,6 +478,8 @@ static int wm8903_put_deemph(struct snd_kcontrol *kcontrol,
/* ALSA can only do steps of .01dB */
static const DECLARE_TLV_DB_SCALE(digital_tlv, -7200, 75, 1);
+static const DECLARE_TLV_DB_SCALE(dac_boost_tlv, 0, 600, 0);
+
static const DECLARE_TLV_DB_SCALE(digital_sidetone_tlv, -3600, 300, 0);
static const DECLARE_TLV_DB_SCALE(out_tlv, -5700, 100, 0);
@@ -698,6 +700,8 @@ SOC_ENUM("DAC Mute Mode", mute_mode),
SOC_SINGLE("DAC Mono Switch", WM8903_DAC_DIGITAL_1, 12, 1, 0),
SOC_ENUM("DAC Companding Mode", dac_companding),
SOC_SINGLE("DAC Companding Switch", WM8903_AUDIO_INTERFACE_0, 1, 1, 0),
+SOC_SINGLE_TLV("DAC Boost Volume", WM8903_AUDIO_INTERFACE_0, 9, 3, 0,
+ dac_boost_tlv),
SOC_SINGLE_BOOL_EXT("Playback Deemphasis Switch", 0,
wm8903_get_deemph, wm8903_put_deemph),