X-Git-Url: http://drtracing.org/?a=blobdiff_plain;f=sound%2Fsoc%2Fcodecs%2Frt5640.c;h=d586228ae5b9a2acf0a8f9f3dcce5b9fe95424e4;hb=49ef7925c237a2f9da327ea3481dd5bba54693e8;hp=ddefd5a476d04700d0b1f5f74d8c49608a7c83c9;hpb=15f78ea67fa712392daebc262821d9fe29705cfa;p=deliverable%2Flinux.git

diff --git a/sound/soc/codecs/rt5640.c b/sound/soc/codecs/rt5640.c
index ddefd5a476d0..d586228ae5b9 100644
--- a/sound/soc/codecs/rt5640.c
+++ b/sound/soc/codecs/rt5640.c
@@ -30,6 +30,7 @@
 #include <sound/initval.h>
 #include <sound/tlv.h>
 
+#include "rl6231.h"
 #include "rt5640.h"
 
 #define RT5640_DEVICE_ID 0x6231
@@ -452,30 +453,16 @@ static const struct snd_kcontrol_new rt5640_specific_snd_controls[] = {
  * @kcontrol: The kcontrol of this widget.
  * @event: Event id.
  *
- * Choose dmic clock between 1MHz and 3MHz.
- * It is better for clock to approximate 3MHz.
  */
 static int set_dmic_clk(struct snd_soc_dapm_widget *w,
 	struct snd_kcontrol *kcontrol, int event)
 {
 	struct snd_soc_codec *codec = w->codec;
 	struct rt5640_priv *rt5640 = snd_soc_codec_get_drvdata(codec);
-	int div[] = {2, 3, 4, 6, 8, 12};
-	int idx = -EINVAL, i;
-	int rate, red, bound, temp;
-
-	rate = rt5640->sysclk;
-	red = 3000000 * 12;
-	for (i = 0; i < ARRAY_SIZE(div); i++) {
-		bound = div[i] * 3000000;
-		if (rate > bound)
-			continue;
-		temp = bound - rate;
-		if (temp < red) {
-			red = temp;
-			idx = i;
-		}
-	}
+	int idx = -EINVAL;
+
+	idx = rl6231_calc_dmic_clk(rt5640->sysclk);
+
 	if (idx < 0)
 		dev_err(codec->dev, "Failed to set DMIC clock\n");
 	else