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codec: fixed audio codec tlv320adc3101 input mode error

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PD#150798: codec: fixed audio codec tlv320adc3101 input mode
	add single end and differential input for S400&S420

Change-Id: I83086663b38e322425f6719247c89877504f22f5
Signed-off-by: Peipeng Zhao <peipeng.zhao@amlogic.com>
This commit is contained in:
Peipeng Zhao
2017-09-11 10:10:42 +08:00
parent 39f914e073
commit 83ca5fef3e
6 changed files with 31 additions and 8 deletions
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1
arch/arm64/boot/dts/amlogic/axg_s400.dts
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@@ -877,6 +877,7 @@
compatible = "ti,tlv320adc3101";
#sound-dai-cells = <0>;
reg = <0x19>;
differential_pair = <1>;
status = "okay";
};

1
arch/arm64/boot/dts/amlogic/axg_s400_v03.dts
View File

@@ -877,6 +877,7 @@
compatible = "ti,tlv320adc3101";
#sound-dai-cells = <0>;
reg = <0x19>;
differential_pair = <1>;
status = "okay";
};

1
arch/arm64/boot/dts/amlogic/axg_s420.dts
View File

@@ -708,6 +708,7 @@
compatible = "ti,tlv320adc3101";
#sound-dai-cells = <0>;
reg = <0x19>;
differential_pair = <1>;
status = "okay";
};

1
arch/arm64/boot/dts/amlogic/axg_s420_128m.dts
View File

@@ -707,6 +707,7 @@
compatible = "ti,tlv320adc3101";
#sound-dai-cells = <0>;
reg = <0x19>;
differential_pair = <1>;
status = "okay";
};

1
arch/arm64/boot/dts/amlogic/axg_s420_v03.dts
View File

@@ -709,6 +709,7 @@
compatible = "ti,tlv320adc3101";
#sound-dai-cells = <0>;
reg = <0x19>;
differential_pair = <1>;
status = "okay";
};

34
sound/soc/codecs/amlogic/tlv320adc3101.c
View File

@@ -67,6 +67,11 @@ struct adc3101_priv {
int codec_mask;
struct i2c_client *client[4];
u8 page_no;
/* differential_pair
* 0: Single-ended;
* 1: Differential Pair;
*/
unsigned int differential_pair;
};
enum{
@@ -523,14 +528,20 @@ static int adc3101_hw_params(struct snd_pcm_substream *substream,
pr_info("%s iface1 = %02x\n", __func__, data);
snd_soc_write(codec, ADC3101_MICBIAS, 0x50);
/* 0x3f: differential, 0xFC:single input */
snd_soc_write(codec, ADC3101_LMICPGANIN, 0x3F);
/* 0x3f: differential input */
snd_soc_write(codec, ADC3101_RMICPGANIN, 0x3F);
/* 0x3f: differential, 0xFC:single input */
snd_soc_write(codec, ADC3101_LMICPGAPIN, 0x3F);
/* 0x3f: differential input */
snd_soc_write(codec, ADC3101_RMICPGAPIN, 0x3F);
if (adc3101->differential_pair == 1) {
pr_info("%s differential pair\n", __func__);
snd_soc_write(codec, ADC3101_LMICPGANIN, 0x33); //54
snd_soc_write(codec, ADC3101_RMICPGANIN, 0x33); //57
snd_soc_write(codec, ADC3101_LMICPGAPIN, 0x3F); //52
snd_soc_write(codec, ADC3101_RMICPGAPIN, 0x3F); //55
} else {
pr_info("%s single end\n", __func__);
snd_soc_write(codec, ADC3101_LMICPGANIN, 0x3F); //54
snd_soc_write(codec, ADC3101_RMICPGANIN, 0x3F); //57
snd_soc_write(codec, ADC3101_LMICPGAPIN, 0xCF); //52
snd_soc_write(codec, ADC3101_RMICPGAPIN, 0xCF); //55
}
snd_soc_write(codec, ADC3101_LMICPGAVOL, lr_gain);
snd_soc_write(codec, ADC3101_RMICPGAVOL, lr_gain);
snd_soc_write(codec, ADC3101_ADCSETUP, 0xc2);
@@ -822,6 +833,13 @@ static int adc3101_i2c_probe(struct i2c_client *i2c,
return ret;
}
}
ret = of_property_read_u32(i2c->dev.of_node, "differential_pair",
&adc3101->differential_pair);
if (ret) {
pr_err("failed to get differential_pair, set it default\n");
adc3101->differential_pair = 0;
ret = 0;
}
pr_info("%s i2c:%p\n", __func__, i2c);
ret = snd_soc_register_codec(&i2c->dev,
&soc_codec_dev_adc3101, adc3101_dai, 1);