ASoC: rt5640: Add RL6231 class device shared support for RT5640, RT5645 and RT5651
The patch adds the RL6231 class device shared support for RT5640, RT5645 and
RT5651. The function of the DMIC clock calculation can be shared by RL6231
shared support.
Signed-off-by: Oder Chiou <oder_chiou@realtek.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
diff --git a/sound/soc/codecs/rt5651.c b/sound/soc/codecs/rt5651.c
index 9c88d89..7a7bec6 100644
--- a/sound/soc/codecs/rt5651.c
+++ b/sound/soc/codecs/rt5651.c
@@ -26,6 +26,7 @@
#include <sound/initval.h>
#include <sound/tlv.h>
+#include "rl6231.h"
#include "rt5651.h"
#define RT5651_DEVICE_ID_VALUE 0x6281
@@ -371,29 +372,16 @@
* @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 rt5651_priv *rt5651 = snd_soc_codec_get_drvdata(codec);
- int div[] = {2, 3, 4, 6, 8, 12}, idx = -EINVAL;
- int i, rate, red, bound, temp;
+ int idx = -EINVAL;
- rate = rt5651->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;
- }
- }
+ idx = rl6231_calc_dmic_clk(rt5651->sysclk);
+
if (idx < 0)
dev_err(codec->dev, "Failed to set DMIC clock\n");
else