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asoc: wcd937x: disable TX CH2 after power down

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TX channel2 is not disabled after power down. It leads to
noise at the beginning of next recording on CH2.
Disable it after power down.

Change-Id: If12a84df52b9c8cd55de2bdcb91f950b054898b8
Signed-off-by: Xiaojun Sang <xsang@codeaurora.org>
This commit is contained in:
Xiaojun Sang
2018-11-02 12:42:05 +08:00
parent 1ab95845cf
commit 80eb5ddfdd
1 changed files with 1 additions and 0 deletions
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asoc/codecs/wcd937x/wcd937x.c
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@@ -1086,6 +1086,7 @@ static int wcd937x_enable_req(struct snd_soc_dapm_widget *w,
break;
case SND_SOC_DAPM_POST_PMD:
snd_soc_update_bits(codec, WCD937X_ANA_TX_CH1, 0x80, 0x00);
snd_soc_update_bits(codec, WCD937X_ANA_TX_CH2, 0x80, 0x00);
snd_soc_update_bits(codec, WCD937X_DIGITAL_CDC_DIG_CLK_CTL,
0x10, 0x00);
snd_soc_update_bits(codec, WCD937X_DIGITAL_CDC_ANA_CLK_CTL,