ASoC: rt5677: Add the MICBIAS VDD setting in the platform data

The patch adds the MICBIAS VDD setting in the platform data. It can be set to
1V8 or 3V3 in the MICBIAS VDD.
Signed-off-by: NOder Chiou <oder_chiou@realtek.com>
Signed-off-by: NMark Brown <broonie@kernel.org>

include/sound/rt5677.h

@@ -37,6 +37,9 @@ struct rt5677_platform_data {
 		OFF, GPIO4, GPIO5 and GPIO6 respectively */
 	unsigned int jd2_gpio;
 	unsigned int jd3_gpio;
+
+	/* Set MICBIAS1 VDD 1v8 or 3v3 */
+	bool micbias1_vdd_3v3;
 };
 
 #endif

sound/soc/codecs/rt5677.c

@@ -4912,6 +4912,11 @@ static int rt5677_i2c_probe(struct i2c_client *i2c,
 					RT5677_GPIO5_DIR_OUT);
 	}
 
+	if (rt5677->pdata.micbias1_vdd_3v3)
+		regmap_update_bits(rt5677->regmap, RT5677_MICBIAS,
+			RT5677_MICBIAS1_CTRL_VDD_MASK,
+			RT5677_MICBIAS1_CTRL_VDD_3_3V);
+
 	rt5677_init_gpio(i2c);
 	rt5677_init_irq(i2c);