ASoC: tlv320aic3x: Add delay after power on and register sync
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>
Signed-off-by: Mark Brown <broonie@kernel.org>
diff --git a/sound/soc/codecs/tlv320aic3x.c b/sound/soc/codecs/tlv320aic3x.c
index bb94d50..29bf8c8 100644
--- a/sound/soc/codecs/tlv320aic3x.c
+++ b/sound/soc/codecs/tlv320aic3x.c
@@ -1393,6 +1393,12 @@
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