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Commit 6a82b5cf authored by Linux Build Service Account's avatar Linux Build Service Account Committed by Gerrit - the friendly Code Review server
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Merge "ASoC: wcd: enable EXT_PRECHRG_SEL for fast micbias rampup"

parents b38f0dd4 ff8f1cad

sound/soc/codecs/wcd-mbhc-v2.c

+11 −0
Original line number Diff line number Diff line
@@ -165,12 +165,23 @@ static int wcd_event_notify(struct notifier_block *self, unsigned long val, 
	/* MICBIAS usage change */

	case WCD_EVENT_PRE_MICBIAS_2_ON:

		if (mbhc->micbias_enable) {

			snd_soc_update_bits(codec,

					MSM8X16_WCD_A_ANALOG_MICB_1_CTL,

					0x60, 0x60);

			snd_soc_write(codec,

					MSM8X16_WCD_A_ANALOG_MICB_1_VAL,

					0xC0);

			/*

			 * Special headset needs MICBIAS as 2.7V so wait for

			 * 50 msec for the MICBIAS to reach 2.7 volts.

			 */

			msleep(50);

			snd_soc_update_bits(codec,

					MSM8X16_WCD_A_ANALOG_MICB_2_EN,

					0x18, 0x10);

			snd_soc_update_bits(codec,

					MSM8X16_WCD_A_ANALOG_MICB_1_CTL,

					0x60, 0x00);

		}

		/* Disable current source if micbias enabled */

		snd_soc_update_bits(codec,