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 931e66e817e891dd33b6fbfee4899e3be8caf909..8db61f6e73622f25f41827f13f2696d95c6b1b92 100755 (executable)
--- 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);