| Message ID | 20161223092112.7992-3-peter.ujfalusi@ti.com (mailing list archive) |
|---|---|
| State | Accepted |
| Commit | 03303da5243f394f5cc5e530a8bc9f26ad2c79cb |
| Headers | show |
diff --git a/sound/soc/codecs/tlv320aic3x.c b/sound/soc/codecs/tlv320aic3x.c index 7b6924e19021..bc220f83dd1f 100644 --- a/sound/soc/codecs/tlv320aic3x.c +++ b/sound/soc/codecs/tlv320aic3x.c @@ -1393,6 +1393,12 @@ static int aic3x_set_power(struct snd_soc_codec *codec, int power) snd_soc_write(codec, AIC3X_PLL_PROGC_REG, pll_c); snd_soc_write(codec, AIC3X_PLL_PROGD_REG, pll_d); } + + /* + * Delay is needed to reduce pop-noise after syncing back the + * registers + */ + mdelay(50); } else { /* * Do soft reset to this codec instance in order to clear
When the codec is powered on, it's registers are in reset state as the power off will do a soft reset of the codec. After the register sync we need to add delay to remove the pop-noise on stream start. Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com> --- sound/soc/codecs/tlv320aic3x.c | 6 ++++++ 1 file changed, 6 insertions(+)