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/rt5645.c | |
parent | 15f78ea67fa712392daebc262821d9fe29705cfa (diff) | |
download | op-kernel-dev-49ef7925c237a2f9da327ea3481dd5bba54693e8.zip op-kernel-dev-49ef7925c237a2f9da327ea3481dd5bba54693e8.tar.gz |
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/rt5645.c')
-rw-r--r-- | sound/soc/codecs/rt5645.c | 22 |
1 files changed, 4 insertions, 18 deletions
diff --git a/sound/soc/codecs/rt5645.c b/sound/soc/codecs/rt5645.c index ab97d72..caa5519 100644 --- a/sound/soc/codecs/rt5645.c +++ b/sound/soc/codecs/rt5645.c @@ -26,6 +26,7 @@ #include <sound/initval.h> #include <sound/tlv.h> +#include "rl6231.h" #include "rt5645.h" #define RT5645_DEVICE_ID 0x6308 @@ -519,30 +520,15 @@ static const struct snd_kcontrol_new rt5645_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 rt5645_priv *rt5645 = snd_soc_codec_get_drvdata(codec); - int div[] = {2, 3, 4, 6, 8, 12}; - int idx = -EINVAL, i; - int rate, red, bound, temp; - - rate = rt5645->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(rt5645->sysclk); if (idx < 0) dev_err(codec->dev, "Failed to set DMIC clock\n"); |