ASoC: Add function "rl6231_get_pre_div" to correct the dmic clock calculation
Signed-off-by: Bard Liao <bardliao@realtek.com>
Signed-off-by: Oder Chiou <oder_chiou@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 9ce311e..7d9d85d 100644
--- a/sound/soc/codecs/rt5645.c
+++ b/sound/soc/codecs/rt5645.c
@@ -510,10 +510,11 @@
{
struct snd_soc_codec *codec = snd_soc_dapm_to_codec(w->dapm);
struct rt5645_priv *rt5645 = snd_soc_codec_get_drvdata(codec);
- int idx = -EINVAL;
+ int idx, rate;
- idx = rl6231_calc_dmic_clk(rt5645->sysclk);
-
+ rate = rt5645->sysclk / rl6231_get_pre_div(rt5645->regmap,
+ RT5645_ADDA_CLK1, RT5645_I2S_PD1_SFT);
+ idx = rl6231_calc_dmic_clk(rate);
if (idx < 0)
dev_err(codec->dev, "Failed to set DMIC clock\n");
else