summaryrefslogtreecommitdiffstats
path: root/sound
diff options
context:
space:
mode:
authorDylan Reid <dgreid@chromium.org>2013-02-15 08:55:10 -0800
committerMark Brown <broonie@opensource.wolfsonmicro.com>2013-03-04 11:11:11 +0800
commitc751a1f49b3fbdce0fbbb2c9b56544a7e6833fff (patch)
tree57cae00b4a0f419f0b10d3c2b76b3d326003ddb7 /sound
parent6dbe51c251a327e012439c4772097a13df43c5b8 (diff)
downloadlinux-c751a1f49b3fbdce0fbbb2c9b56544a7e6833fff.tar.gz
linux-c751a1f49b3fbdce0fbbb2c9b56544a7e6833fff.tar.bz2
linux-c751a1f49b3fbdce0fbbb2c9b56544a7e6833fff.zip
ASoC: max98088: Add TLV data for volume controls.
Specify volumes as defined in the MAX98088/9 data sheet. Allows ALSA lib snd_mixer_selem_get_playback_dB_range and related functions to work. Signed-off-by: Dylan Reid <dgreid@chromium.org> Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Diffstat (limited to 'sound')
-rw-r--r--sound/soc/codecs/max98088.c30
1 files changed, 24 insertions, 6 deletions
diff --git a/sound/soc/codecs/max98088.c b/sound/soc/codecs/max98088.c
index a4c16fd70f77..3a7b7fd14e3e 100644
--- a/sound/soc/codecs/max98088.c
+++ b/sound/soc/codecs/max98088.c
@@ -739,14 +739,32 @@ static const unsigned int max98088_micboost_tlv[] = {
2, 2, TLV_DB_SCALE_ITEM(3000, 0, 0),
};
+static const unsigned int max98088_hp_tlv[] = {
+ TLV_DB_RANGE_HEAD(5),
+ 0, 6, TLV_DB_SCALE_ITEM(-6700, 400, 0),
+ 7, 14, TLV_DB_SCALE_ITEM(-4000, 300, 0),
+ 15, 21, TLV_DB_SCALE_ITEM(-1700, 200, 0),
+ 22, 27, TLV_DB_SCALE_ITEM(-400, 100, 0),
+ 28, 31, TLV_DB_SCALE_ITEM(150, 50, 0),
+};
+
+static const unsigned int max98088_spk_tlv[] = {
+ TLV_DB_RANGE_HEAD(5),
+ 0, 6, TLV_DB_SCALE_ITEM(-6200, 400, 0),
+ 7, 14, TLV_DB_SCALE_ITEM(-3500, 300, 0),
+ 15, 21, TLV_DB_SCALE_ITEM(-1200, 200, 0),
+ 22, 27, TLV_DB_SCALE_ITEM(100, 100, 0),
+ 28, 31, TLV_DB_SCALE_ITEM(650, 50, 0),
+};
+
static const struct snd_kcontrol_new max98088_snd_controls[] = {
- SOC_DOUBLE_R("Headphone Volume", M98088_REG_39_LVL_HP_L,
- M98088_REG_3A_LVL_HP_R, 0, 31, 0),
- SOC_DOUBLE_R("Speaker Volume", M98088_REG_3D_LVL_SPK_L,
- M98088_REG_3E_LVL_SPK_R, 0, 31, 0),
- SOC_DOUBLE_R("Receiver Volume", M98088_REG_3B_LVL_REC_L,
- M98088_REG_3C_LVL_REC_R, 0, 31, 0),
+ SOC_DOUBLE_R_TLV("Headphone Volume", M98088_REG_39_LVL_HP_L,
+ M98088_REG_3A_LVL_HP_R, 0, 31, 0, max98088_hp_tlv),
+ SOC_DOUBLE_R_TLV("Speaker Volume", M98088_REG_3D_LVL_SPK_L,
+ M98088_REG_3E_LVL_SPK_R, 0, 31, 0, max98088_spk_tlv),
+ SOC_DOUBLE_R_TLV("Receiver Volume", M98088_REG_3B_LVL_REC_L,
+ M98088_REG_3C_LVL_REC_R, 0, 31, 0, max98088_spk_tlv),
SOC_DOUBLE_R("Headphone Switch", M98088_REG_39_LVL_HP_L,
M98088_REG_3A_LVL_HP_R, 7, 1, 1),