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-rw-r--r--Documentation/devicetree/bindings/sound/rt5663.txt5
-rw-r--r--include/sound/rt5663.h20
-rw-r--r--sound/soc/codecs/rt5663.c55
-rw-r--r--sound/soc/codecs/rt5663.h2
4 files changed, 77 insertions, 5 deletions
diff --git a/Documentation/devicetree/bindings/sound/rt5663.txt b/Documentation/devicetree/bindings/sound/rt5663.txt
index 70eaeaed2b18..f7c7cc513ee8 100644
--- a/Documentation/devicetree/bindings/sound/rt5663.txt
+++ b/Documentation/devicetree/bindings/sound/rt5663.txt
@@ -12,6 +12,11 @@ Required properties:
Optional properties:
+- "realtek,dc_offset_l_manual"
+- "realtek,dc_offset_r_manual"
+ Based on the different PCB layout, add the manual offset value to
+ compensate the DC offset for each L and R channel.
+
Pins on the device (for linking into audio routes) for RT5663:
* IN1P
diff --git a/include/sound/rt5663.h b/include/sound/rt5663.h
new file mode 100644
index 000000000000..be6f1b2d8fbd
--- /dev/null
+++ b/include/sound/rt5663.h
@@ -0,0 +1,20 @@
+/*
+ * linux/sound/rt5663.h -- Platform data for RT5663
+ *
+ * Copyright 2017 Realtek Semiconductor Corp.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#ifndef __LINUX_SND_RT5663_H
+#define __LINUX_SND_RT5663_H
+
+struct rt5663_platform_data {
+ unsigned int dc_offset_l_manual;
+ unsigned int dc_offset_r_manual;
+};
+
+#endif
+
diff --git a/sound/soc/codecs/rt5663.c b/sound/soc/codecs/rt5663.c
index 5b3c50c641d8..963cda9c995a 100644
--- a/sound/soc/codecs/rt5663.c
+++ b/sound/soc/codecs/rt5663.c
@@ -40,6 +40,7 @@ enum {
struct rt5663_priv {
struct snd_soc_codec *codec;
+ struct rt5663_platform_data pdata;
struct regmap *regmap;
struct delayed_work jack_detect_work;
struct snd_soc_jack *hs_jack;
@@ -57,6 +58,10 @@ struct rt5663_priv {
int jack_type;
};
+static const struct reg_sequence rt5663_patch_list[] = {
+ { 0x002a, 0x8080 },
+};
+
static const struct reg_default rt5663_v2_reg[] = {
{ 0x0000, 0x0000 },
{ 0x0001, 0xc8c8 },
@@ -476,7 +481,7 @@ static const struct reg_default rt5663_reg[] = {
{ 0x0023, 0x0039 },
{ 0x0026, 0xc0c0 },
{ 0x0029, 0x8080 },
- { 0x002a, 0xa0a0 },
+ { 0x002a, 0x8080 },
{ 0x002c, 0x000c },
{ 0x002d, 0x0000 },
{ 0x0040, 0x0808 },
@@ -1958,15 +1963,11 @@ static const struct snd_kcontrol_new rt5663_adda_r_mix[] = {
static const struct snd_kcontrol_new rt5663_sto1_dac_l_mix[] = {
SOC_DAPM_SINGLE("DAC L Switch", RT5663_STO_DAC_MIXER,
RT5663_M_DAC_L1_STO_L_SHIFT, 1, 1),
- SOC_DAPM_SINGLE("DAC R Switch", RT5663_STO_DAC_MIXER,
- RT5663_M_DAC_R1_STO_L_SHIFT, 1, 1),
};
static const struct snd_kcontrol_new rt5663_sto1_dac_r_mix[] = {
SOC_DAPM_SINGLE("DAC L Switch", RT5663_STO_DAC_MIXER,
RT5663_M_DAC_L1_STO_R_SHIFT, 1, 1),
- SOC_DAPM_SINGLE("DAC R Switch", RT5663_STO_DAC_MIXER,
- RT5663_M_DAC_R1_STO_R_SHIFT, 1, 1),
};
/* Out Switch */
@@ -3126,9 +3127,20 @@ static void rt5663_calibrate(struct rt5663_priv *rt5663)
usleep_range(10000, 10005);
}
+static int rt5663_parse_dp(struct rt5663_priv *rt5663, struct device *dev)
+{
+ device_property_read_u32(dev, "realtek,dc_offset_l_manual",
+ &rt5663->pdata.dc_offset_l_manual);
+ device_property_read_u32(dev, "realtek,dc_offset_r_manual",
+ &rt5663->pdata.dc_offset_r_manual);
+
+ return 0;
+}
+
static int rt5663_i2c_probe(struct i2c_client *i2c,
const struct i2c_device_id *id)
{
+ struct rt5663_platform_data *pdata = dev_get_platdata(&i2c->dev);
struct rt5663_priv *rt5663;
int ret;
unsigned int val;
@@ -3142,6 +3154,11 @@ static int rt5663_i2c_probe(struct i2c_client *i2c,
i2c_set_clientdata(i2c, rt5663);
+ if (pdata)
+ rt5663->pdata = *pdata;
+ else
+ rt5663_parse_dp(rt5663, &i2c->dev);
+
regmap = devm_regmap_init_i2c(i2c, &temp_regmap);
if (IS_ERR(regmap)) {
ret = PTR_ERR(regmap);
@@ -3190,6 +3207,34 @@ static int rt5663_i2c_probe(struct i2c_client *i2c,
regmap_write(rt5663->regmap, RT5663_RESET, 0);
dev_dbg(&i2c->dev, "calibrate done\n");
+ switch (rt5663->codec_ver) {
+ case CODEC_VER_1:
+ break;
+ case CODEC_VER_0:
+ ret = regmap_register_patch(rt5663->regmap, rt5663_patch_list,
+ ARRAY_SIZE(rt5663_patch_list));
+ if (ret != 0)
+ dev_warn(&i2c->dev,
+ "Failed to apply regmap patch: %d\n", ret);
+ break;
+ default:
+ dev_err(&i2c->dev, "%s:Unknown codec type\n", __func__);
+ }
+
+ if (rt5663->pdata.dc_offset_l_manual) {
+ regmap_write(rt5663->regmap, RT5663_MIC_DECRO_2,
+ rt5663->pdata.dc_offset_l_manual >> 16);
+ regmap_write(rt5663->regmap, RT5663_MIC_DECRO_3,
+ rt5663->pdata.dc_offset_l_manual & 0xffff);
+ }
+
+ if (rt5663->pdata.dc_offset_r_manual) {
+ regmap_write(rt5663->regmap, RT5663_MIC_DECRO_5,
+ rt5663->pdata.dc_offset_r_manual >> 16);
+ regmap_write(rt5663->regmap, RT5663_MIC_DECRO_6,
+ rt5663->pdata.dc_offset_r_manual & 0xffff);
+ }
+
/* GPIO1 as IRQ */
regmap_update_bits(rt5663->regmap, RT5663_GPIO_1, RT5663_GP1_PIN_MASK,
RT5663_GP1_PIN_IRQ);
diff --git a/sound/soc/codecs/rt5663.h b/sound/soc/codecs/rt5663.h
index 4621812c94d8..c5a9b69579ad 100644
--- a/sound/soc/codecs/rt5663.h
+++ b/sound/soc/codecs/rt5663.h
@@ -12,6 +12,8 @@
#ifndef __RT5663_H__
#define __RT5663_H__
+#include <sound/rt5663.h>
+
/* Info */
#define RT5663_RESET 0x0000
#define RT5663_VENDOR_ID 0x00fd