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authorOder Chiou <oder_chiou@realtek.com>2015-01-08 10:31:05 +0800
committerMark Brown <broonie@kernel.org>2015-01-09 17:18:28 +0000
commitbdfbf2550d85b0e645a0bb9b3abd3b0a5448eacf (patch)
treecca5f3370c414daac80250b44deb56c92db1ef7f /sound
parent97bf6af1f928216fd6c5a66e8a57bfa95a659672 (diff)
ASoC: rt5677: Modify the behavior that updates the PLL parameter.
The patch modified the behavior that updates the PLL parameter. It set the update bit before the PLL power up. Signed-off-by: Oder Chiou <oder_chiou@realtek.com> Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'sound')
-rw-r--r--sound/soc/codecs/rt5677.c18
1 files changed, 14 insertions, 4 deletions
diff --git a/sound/soc/codecs/rt5677.c b/sound/soc/codecs/rt5677.c
index 81fe1464d268..8018c9951132 100644
--- a/sound/soc/codecs/rt5677.c
+++ b/sound/soc/codecs/rt5677.c
@@ -2082,10 +2082,14 @@ static int rt5677_set_pll1_event(struct snd_soc_dapm_widget *w,
struct rt5677_priv *rt5677 = snd_soc_codec_get_drvdata(codec);
switch (event) {
- case SND_SOC_DAPM_POST_PMU:
+ case SND_SOC_DAPM_PRE_PMU:
regmap_update_bits(rt5677->regmap, RT5677_PLL1_CTRL2, 0x2, 0x2);
+ break;
+
+ case SND_SOC_DAPM_POST_PMU:
regmap_update_bits(rt5677->regmap, RT5677_PLL1_CTRL2, 0x2, 0x0);
break;
+
default:
return 0;
}
@@ -2100,10 +2104,14 @@ static int rt5677_set_pll2_event(struct snd_soc_dapm_widget *w,
struct rt5677_priv *rt5677 = snd_soc_codec_get_drvdata(codec);
switch (event) {
- case SND_SOC_DAPM_POST_PMU:
+ case SND_SOC_DAPM_PRE_PMU:
regmap_update_bits(rt5677->regmap, RT5677_PLL2_CTRL2, 0x2, 0x2);
+ break;
+
+ case SND_SOC_DAPM_POST_PMU:
regmap_update_bits(rt5677->regmap, RT5677_PLL2_CTRL2, 0x2, 0x0);
break;
+
default:
return 0;
}
@@ -2211,9 +2219,11 @@ static int rt5677_vref_event(struct snd_soc_dapm_widget *w,
static const struct snd_soc_dapm_widget rt5677_dapm_widgets[] = {
SND_SOC_DAPM_SUPPLY("PLL1", RT5677_PWR_ANLG2, RT5677_PWR_PLL1_BIT,
- 0, rt5677_set_pll1_event, SND_SOC_DAPM_POST_PMU),
+ 0, rt5677_set_pll1_event, SND_SOC_DAPM_PRE_PMU |
+ SND_SOC_DAPM_POST_PMU),
SND_SOC_DAPM_SUPPLY("PLL2", RT5677_PWR_ANLG2, RT5677_PWR_PLL2_BIT,
- 0, rt5677_set_pll2_event, SND_SOC_DAPM_POST_PMU),
+ 0, rt5677_set_pll2_event, SND_SOC_DAPM_PRE_PMU |
+ SND_SOC_DAPM_POST_PMU),
/* Input Side */
/* micbias */