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authorKuninori Morimoto <kuninori.morimoto.gx@renesas.com>2015-09-18 00:52:44 +0000
committerMark Brown <broonie@kernel.org>2015-09-19 07:41:15 -0700
commite3a4d958d78e4f1709f3d4611849617ac9222a0c (patch)
tree4bc88a647f70ffce2aeaa44ce329da2561bf1698 /sound
parentb07570628471777aabb5695284e1af4533e502da (diff)
ASoC: ak4613: add Digital Playback Volume support
For L/ROUT1 to L/ROUT6 Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'sound')
-rw-r--r--sound/soc/codecs/ak4613.c28
1 files changed, 28 insertions, 0 deletions
diff --git a/sound/soc/codecs/ak4613.c b/sound/soc/codecs/ak4613.c
index fd96a8f9e2d3..07a266460ec3 100644
--- a/sound/soc/codecs/ak4613.c
+++ b/sound/soc/codecs/ak4613.c
@@ -22,6 +22,7 @@
#include <linux/regmap.h>
#include <sound/soc.h>
#include <sound/pcm_params.h>
+#include <sound/tlv.h>
#define PW_MGMT1 0x00 /* Power Management 1 */
#define PW_MGMT2 0x01 /* Power Management 2 */
@@ -91,6 +92,31 @@ struct ak4613_interface {
struct ak4613_formats playback;
};
+/*
+ * Playback Volume
+ *
+ * max : 0x00 : 0 dB
+ * ( 0.5 dB step )
+ * min : 0xFE : -127.0 dB
+ * mute: 0xFF
+ */
+static const DECLARE_TLV_DB_SCALE(out_tlv, -12750, 50, 1);
+
+static const struct snd_kcontrol_new ak4613_snd_controls[] = {
+ SOC_DOUBLE_R_TLV("Digital Playback Volume1", LOUT1, ROUT1,
+ 0, 0xFF, 1, out_tlv),
+ SOC_DOUBLE_R_TLV("Digital Playback Volume2", LOUT2, ROUT2,
+ 0, 0xFF, 1, out_tlv),
+ SOC_DOUBLE_R_TLV("Digital Playback Volume3", LOUT3, ROUT3,
+ 0, 0xFF, 1, out_tlv),
+ SOC_DOUBLE_R_TLV("Digital Playback Volume4", LOUT4, ROUT4,
+ 0, 0xFF, 1, out_tlv),
+ SOC_DOUBLE_R_TLV("Digital Playback Volume5", LOUT5, ROUT5,
+ 0, 0xFF, 1, out_tlv),
+ SOC_DOUBLE_R_TLV("Digital Playback Volume6", LOUT6, ROUT6,
+ 0, 0xFF, 1, out_tlv),
+};
+
static const struct reg_default ak4613_reg[] = {
{ 0x0, 0x0f }, { 0x1, 0x07 }, { 0x2, 0x3f }, { 0x3, 0x20 },
{ 0x4, 0x20 }, { 0x5, 0x55 }, { 0x6, 0x05 }, { 0x7, 0x07 },
@@ -397,6 +423,8 @@ static int ak4613_resume(struct snd_soc_codec *codec)
static struct snd_soc_codec_driver soc_codec_dev_ak4613 = {
.resume = ak4613_resume,
.set_bias_level = ak4613_set_bias_level,
+ .controls = ak4613_snd_controls,
+ .num_controls = ARRAY_SIZE(ak4613_snd_controls),
.dapm_widgets = ak4613_dapm_widgets,
.num_dapm_widgets = ARRAY_SIZE(ak4613_dapm_widgets),
.dapm_routes = ak4613_intercon,