[PATCH 3.18 205/222] ASoC: rt5677: fixed wrong DMIC ref clock

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From: Bard Liao <bardliao@xxxxxxxxxxx>

[ Upstream commit 60a8d62b8497c23eb3d48149af7e55dac2dd83a2 ]

DMIC clock source is not from codec system clock directly. it is
generated from the division of system clock. And it should be 256 *
sample rate of AIF1.

Signed-off-by: Bard Liao <bardliao@xxxxxxxxxxx>
Signed-off-by: Mark Brown <broonie@xxxxxxxxxx>
Cc: stable@xxxxxxxxxxxxxxx
Signed-off-by: Sasha Levin <sasha.levin@xxxxxxxxxx>
---
 sound/soc/codecs/rt5677.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/sound/soc/codecs/rt5677.c b/sound/soc/codecs/rt5677.c
index 16aa4d9..691237a 100644
--- a/sound/soc/codecs/rt5677.c
+++ b/sound/soc/codecs/rt5677.c
@@ -644,7 +644,7 @@ static int set_dmic_clk(struct snd_soc_dapm_widget *w,
 {
 	struct snd_soc_codec *codec = w->codec;
 	struct rt5677_priv *rt5677 = snd_soc_codec_get_drvdata(codec);
-	int idx = rl6231_calc_dmic_clk(rt5677->sysclk);
+	int idx = rl6231_calc_dmic_clk(rt5677->lrck[RT5677_AIF1] << 8);
 
 	if (idx < 0)
 		dev_err(codec->dev, "Failed to set DMIC clock\n");
-- 
2.1.0

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