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Commit 9558dd82 authored by Walter Yang's avatar Walter Yang Committed by Gerrit - the friendly Code Review server
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ASoC: msm8x16-wcd: Config HPH PA gain for high impedance headset 



For headphone/headset with impedance greater than 48ohm, HPH PA
gain of internal codec should also be set as 0dB.

CRs-Fixed: 1092417
Change-Id: Ie46bca513cd8bfdc91ca8b9a5fec6066b7969f1c
Signed-off-by: default avatarWalter Yang <yandongy@codeaurora.org>
parent 1446cd5f

sound/soc/codecs/msm8x16-wcd.c

+2 −7
Original line number Diff line number Diff line
@@ -4078,11 +4078,6 @@ void wcd_imped_config(struct snd_soc_codec *codec, 
			 __func__);

		return;

	}

	if (value >= wcd_imped_val[ARRAY_SIZE(wcd_imped_val) - 1]) {

		pr_err("%s, invalid imped, greater than 48 Ohm\n = %d\n",

			__func__, value);

		return;

	}



	codec_version = get_codec_version(msm8x16_wcd);
@@ -4093,9 +4088,9 @@ void wcd_imped_config(struct snd_soc_codec *codec, 
		case CONGA:

			/*

			 * For 32Ohm load and higher loads, Set 0x19E

			 * bit 5 to 1 (POS_6_DB_DI). For loads lower

			 * bit 5 to 1 (POS_0_DB_DI). For loads lower

			 * than 32Ohm (such as 16Ohm load), Set 0x19E

			 * bit 5 to 0 (POS_1P5_DB_DI)

			 * bit 5 to 0 (POS_M4P5_DB_DI)

			 */

			if (value >= 32)

				snd_soc_update_bits(codec,