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ASoC: rt5645: Modify the jack detection function to prevent the pop sound while the jack plug in

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The patch corrects the sequence of the jack detection. It will prevent the
pop sound while the jack plug in.

Signed-off-by: Oder Chiou <oder_chiou@realtek.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Oder Chiou 2015-08-24 20:32:57 +08:00 committed by Mark Brown
parent 588cd850f5
commit 8db7f56ddf
1 changed files with 11 additions and 2 deletions
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13
sound/soc/codecs/rt5645.c
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@ -2805,14 +2805,15 @@ static int rt5645_jack_detect(struct snd_soc_codec *codec, int jack_insert)
}
regmap_write(rt5645->regmap, RT5645_JD_CTRL3, 0x00f0);
regmap_write(rt5645->regmap, RT5645_IN1_CTRL1, 0x0006);
regmap_update_bits(rt5645->regmap,
RT5645_IN1_CTRL2, 0x1000, 0x1000);
regmap_update_bits(rt5645->regmap, RT5645_IN1_CTRL1, 0x0004,
0x0004);
msleep(100);
regmap_update_bits(rt5645->regmap,
RT5645_IN1_CTRL2, 0x1000, 0x0000);
msleep(450);
msleep(600);
regmap_read(rt5645->regmap, RT5645_IN1_CTRL3, &val);
val &= 0x7;
dev_dbg(codec->dev, "val = %d\n", val);
@ -2828,9 +2829,17 @@ static int rt5645_jack_detect(struct snd_soc_codec *codec, int jack_insert)
rt5645->jack_type = SND_JACK_HEADPHONE;
}
snd_soc_update_bits(codec, RT5645_CHARGE_PUMP, 0x0300, 0x0200);
snd_soc_write(codec, RT5645_DEPOP_M1, 0x001d);
snd_soc_write(codec, RT5645_DEPOP_M1, 0x0001);
} else { /* jack out */
rt5645->jack_type = 0;
regmap_update_bits(rt5645->regmap, RT5645_IN1_CTRL2, 0x1000,
0x1000);
regmap_update_bits(rt5645->regmap, RT5645_IN1_CTRL1, 0x0004,
0x0000);
if (rt5645->en_button_func)
rt5645_enable_push_button_irq(codec, false);