diff options
| author | Oder Chiou <oder_chiou@realtek.com> | 2014-05-20 15:01:53 +0800 |
|---|---|---|
| committer | Mark Brown <broonie@linaro.org> | 2014-06-01 20:04:30 +0100 |
| commit | 49ef7925c237a2f9da327ea3481dd5bba54693e8 (patch) | |
| tree | e31b2b7c9e284d5797f72956fc4e7ab3cfec9ec7 /sound/soc/codecs/rt5640.c | |
| parent | 15f78ea67fa712392daebc262821d9fe29705cfa (diff) | |
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>
Diffstat (limited to 'sound/soc/codecs/rt5640.c')
| -rw-r--r-- | sound/soc/codecs/rt5640.c | 23 |
1 files changed, 5 insertions, 18 deletions
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 |