ASoC: da7210: Add support for ADC & DAC equalizers

This patch adds support for ADC and DAC five band equalizers
available on DA7210 codec.

Signed-off-by: Ashish Chavan <ashish.chavan@kpitcummins.com>
Signed-off-by: David Dajun Chen <dchen@diasemi.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>

1 files changed, 37 insertions, 0 deletions

diff --git a/sound/soc/codecs/da7210.c b/sound/soc/codecs/da7210.c
index 902fa5861901..7dc1259010be 100644
--- a/sound/soc/codecs/da7210.c
+++ b/sound/soc/codecs/da7210.c
@@ -34,10 +34,16 @@
 #define DA7210_INMIX_R                  0x0E
 #define DA7210_ADC_HPF                  0x0F
 #define DA7210_ADC                      0x10
+#define DA7210_ADC_EQ1_2                0X11
+#define DA7210_ADC_EQ3_4                0x12
+#define DA7210_ADC_EQ5                  0x13
 #define DA7210_DAC_HPF                  0x14
 #define DA7210_DAC_L                    0x15
 #define DA7210_DAC_R                    0x16
 #define DA7210_DAC_SEL                  0x17
+#define DA7210_DAC_EQ1_2                0x19
+#define DA7210_DAC_EQ3_4                0x1A
+#define DA7210_DAC_EQ5                  0x1B
 #define DA7210_OUTMIX_L                 0x1C
 #define DA7210_OUTMIX_R                 0x1D
 #define DA7210_HP_L_VOL                 0x21
@@ -158,11 +164,42 @@ static const unsigned int hp_out_tlv[] = {
         0x11, 0x3f, TLV_DB_SCALE_ITEM(-5400, 150, 0),
 };
 
+static const DECLARE_TLV_DB_SCALE(eq_gain_tlv, -1050, 150, 0);
+static const DECLARE_TLV_DB_SCALE(adc_eq_master_gain_tlv, -1800, 600, 1);
+
 static const struct snd_kcontrol_new da7210_snd_controls[] = {
 
         SOC_DOUBLE_R_TLV("HeadPhone Playback Volume",
                          DA7210_HP_L_VOL, DA7210_HP_R_VOL,
                          0, 0x3F, 0, hp_out_tlv),
+
+        /* DAC Equalizer  controls */
+        SOC_SINGLE("DAC EQ Switch", DA7210_DAC_EQ5, 7, 1, 0),
+        SOC_SINGLE_TLV("DAC EQ1 Volume", DA7210_DAC_EQ1_2, 0, 0xf, 1,
+                       eq_gain_tlv),
+        SOC_SINGLE_TLV("DAC EQ2 Volume", DA7210_DAC_EQ1_2, 4, 0xf, 1,
+                       eq_gain_tlv),
+        SOC_SINGLE_TLV("DAC EQ3 Volume", DA7210_DAC_EQ3_4, 0, 0xf, 1,
+                       eq_gain_tlv),
+        SOC_SINGLE_TLV("DAC EQ4 Volume", DA7210_DAC_EQ3_4, 4, 0xf, 1,
+                       eq_gain_tlv),
+        SOC_SINGLE_TLV("DAC EQ5 Volume", DA7210_DAC_EQ5, 0, 0xf, 1,
+                       eq_gain_tlv),
+
+        /* ADC Equalizer  controls */
+        SOC_SINGLE("ADC EQ Switch", DA7210_ADC_EQ5, 7, 1, 0),
+        SOC_SINGLE_TLV("ADC EQ Master Volume", DA7210_ADC_EQ5, 4, 0x3,
+                       1, adc_eq_master_gain_tlv),
+        SOC_SINGLE_TLV("ADC EQ1 Volume", DA7210_ADC_EQ1_2, 0, 0xf, 1,
+                       eq_gain_tlv),
+        SOC_SINGLE_TLV("ADC EQ2 Volume", DA7210_ADC_EQ1_2, 4, 0xf, 1,
+                       eq_gain_tlv),
+        SOC_SINGLE_TLV("ADC EQ3 Volume", DA7210_ADC_EQ3_4, 0, 0xf, 1,
+                       eq_gain_tlv),
+        SOC_SINGLE_TLV("ADC EQ4 Volume", DA7210_ADC_EQ3_4, 4, 0xf, 1,
+                       eq_gain_tlv),
+        SOC_SINGLE_TLV("ADC EQ5 Volume", DA7210_ADC_EQ5, 0, 0xf, 1,
+                       eq_gain_tlv),
 };
 
 /* Codec private data */