ASoC: rt5645: Increase the delay time to imporve the HP pop noise

Unmuting headphone has pop noise in particular hardware design. So we extend
the delay time in headphone unmuting sequence to avoid pop.

Signed-off-by: John Lin <john.lin@realtek.com>
Signed-off-by: Mark Brown <broonie@kernel.org>

diff --git a/sound/soc/codecs/rt5645.c b/sound/soc/codecs/rt5645.c
index 672fafd8314adabbc25e52318b6eeaaac8fe4ff7..fa8b5dfa673e8c5cb5ea047df7f76a2165e18741 100644 (file)
--- a/sound/soc/codecs/rt5645.c
+++ b/sound/soc/codecs/rt5645.c
@@ -1519,7 +1519,7 @@ static void hp_amp_power(struct snd_soc_codec *codec, int on)
                                regmap_write(rt5645->regmap, RT5645_PR_BASE +
                                        RT5645_MAMP_INT_REG2, 0xfc00);
                                snd_soc_write(codec, RT5645_DEPOP_M2, 0x1140);
-                               msleep(40);
+                               msleep(70);
                                rt5645->hp_on = true;
                        } else {
                                /* depop parameters */