ASoC: codecs: ES8326: Adjust ANA_MICBIAS to reduce pop noise

We modify the value of ES8326_ANA_MICBIAS to reduce the pop noise

Signed-off-by: Zhang Yi <[email protected]>
Link: https://patch.msgid.link/[email protected]
Signed-off-by: Mark Brown <[email protected]>

Author: Michael-zy2000

sound/soc/codecs/es8326.c

@@ -616,7 +616,7 @@ static int es8326_mute(struct snd_soc_dai *dai, int mute, int direction)
 					0x0F, 0x0F);
 			if (es8326->version > ES8326_VERSION_B) {
 				regmap_update_bits(es8326->regmap, ES8326_VMIDSEL, 0x40, 0x40);
-				regmap_update_bits(es8326->regmap, ES8326_ANA_MICBIAS, 0x70, 0x10);
+				regmap_update_bits(es8326->regmap, ES8326_ANA_MICBIAS, 0x70, 0x30);
 			}
 		}
 	} else {
@@ -631,6 +631,8 @@ static int es8326_mute(struct snd_soc_dai *dai, int mute, int direction)
 			regmap_write(es8326->regmap, ES8326_HPR_OFFSET_INI, offset_r);
 			es8326->calibrated = true;
 		}
+		regmap_update_bits(es8326->regmap, ES8326_CLK_INV, 0xc0, 0x00);
+                regmap_update_bits(es8326->regmap, ES8326_CLK_MUX, 0x80, 0x00);
 		if (direction == SNDRV_PCM_STREAM_PLAYBACK) {
 			regmap_update_bits(es8326->regmap, ES8326_DAC_DSM, 0x01, 0x01);
 			usleep_range(1000, 5000);
@@ -645,7 +647,7 @@ static int es8326_mute(struct snd_soc_dai *dai, int mute, int direction)
 		} else {
 			msleep(300);
 			if (es8326->version > ES8326_VERSION_B) {
-				regmap_update_bits(es8326->regmap, ES8326_ANA_MICBIAS, 0x70, 0x50);
+				regmap_update_bits(es8326->regmap, ES8326_ANA_MICBIAS, 0x70, 0x70);
 				regmap_update_bits(es8326->regmap, ES8326_VMIDSEL, 0x40, 0x00);
 			}
 			regmap_update_bits(es8326->regmap,  ES8326_ADC_MUTE,
@@ -676,13 +678,23 @@ static int es8326_set_bias_level(struct snd_soc_component *codec,
 		regmap_write(es8326->regmap, ES8326_ANA_PDN, 0x00);
 		regmap_update_bits(es8326->regmap,  ES8326_CLK_CTL, 0x20, 0x20);
 		regmap_update_bits(es8326->regmap, ES8326_RESET, 0x02, 0x00);
+		if (es8326->version > ES8326_VERSION_B) {
+			regmap_update_bits(es8326->regmap, ES8326_VMIDSEL, 0x40, 0x40);
+			regmap_update_bits(es8326->regmap, ES8326_ANA_MICBIAS, 0x70, 0x30);
+		}
 		break;
 	case SND_SOC_BIAS_PREPARE:
 		break;
 	case SND_SOC_BIAS_STANDBY:
 		regmap_write(es8326->regmap, ES8326_ANA_PDN, 0x3b);
 		regmap_update_bits(es8326->regmap, ES8326_CLK_CTL, 0x20, 0x00);
 		regmap_write(es8326->regmap, ES8326_SDINOUT1_IO, ES8326_IO_INPUT);
+		if (es8326->version > ES8326_VERSION_B) {
+			regmap_update_bits(es8326->regmap, ES8326_VMIDSEL, 0x40, 0x40);
+			regmap_update_bits(es8326->regmap, ES8326_ANA_MICBIAS, 0x70, 0x10);
+		}
+		regmap_update_bits(es8326->regmap, ES8326_CLK_INV, 0xc0, 0xc0);
+		regmap_update_bits(es8326->regmap, ES8326_CLK_MUX, 0x80, 0x80);
 		break;
 	case SND_SOC_BIAS_OFF:
 		clk_disable_unprepare(es8326->mclk);
@@ -773,7 +785,10 @@ static void es8326_jack_button_handler(struct work_struct *work)
 	case 0x6f:
 	case 0x4b:
 		/* button volume up */
-		cur_button = SND_JACK_BTN_1;
+		if ((iface == 0x6f) && (es8326->version > ES8326_VERSION_B))
+			cur_button = SND_JACK_BTN_0;
+		else
+			cur_button = SND_JACK_BTN_1;
 		break;
 	case 0x27:
 		/* button volume down */
@@ -1082,7 +1097,7 @@ static void es8326_init(struct snd_soc_component *component)
 	regmap_write(es8326->regmap, ES8326_ADC2_SRC, 0x66);
 	es8326_disable_micbias(es8326->component);
 	if (es8326->version > ES8326_VERSION_B) {
-		regmap_update_bits(es8326->regmap, ES8326_ANA_MICBIAS, 0x73, 0x13);
+		regmap_update_bits(es8326->regmap, ES8326_ANA_MICBIAS, 0x73, 0x10);
 		regmap_update_bits(es8326->regmap, ES8326_VMIDSEL, 0x40, 0x40);
 	}