From: Zheng Yang <zhengyang@rock-chips.com>
Date: Sat, 13 Oct 2012 03:10:58 +0000 (+0800)
Subject: rk2928:acodec: 修复有时只有一个声道输出或输出声音变小错误.
X-Git-Tag: firefly_0821_release~8429
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=d849dd8300837e7a7d9f49f71c2ab1a5ef88fdb6;p=firefly-linux-kernel-4.4.55.git

rk2928:acodec: 修复有时只有一个声道输出或输出声音变小错误.
---

diff --git a/sound/soc/codecs/rk2928_codec.c b/sound/soc/codecs/rk2928_codec.c
index 931e66e817e8..8db61f6e7362 100755
--- a/sound/soc/codecs/rk2928_codec.c
+++ b/sound/soc/codecs/rk2928_codec.c
@@ -155,6 +155,8 @@ static int rk2928_audio_trigger(struct snd_pcm_substream *substream, int cmd,
 //				rk2928_write(codec, CODEC_REG_DAC_GAIN, v_GAIN_DAC(DAC_GAIN_3DB_P));
 				if(!rk2928_data.hdmi_enable)
 					rk2928_write(codec, CODEC_REG_DAC_MUTE, v_MUTE_DAC(0));
+				rk2928_write(codec, CODEC_REG_ADC_SOURCE, 0x03);
+				rk2928_write(codec, CODEC_REG_ADC_SOURCE, 0x00);
 				rk2928_data.mute = 0;
 				if(rk2928_data.spkctl != INVALID_GPIO) {
 					gpio_direction_output(rk2928_data.spkctl, GPIO_HIGH);