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author | Arnaud Pouliquen <arnaud.pouliquen@st.com> | 2015-06-05 11:19:06 +0300 |
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committer | Mark Brown <broonie@kernel.org> | 2015-07-07 14:52:56 +0300 |
commit | e22579713ae1384a3dff545369cebe42b01370fa (patch) | |
tree | 8607e22d8f6a48eee7c07ad5508c19ae3cd2d785 /sound/soc/generic | |
parent | d770e558e21961ad6cfdf0ff7df0eb5d7d4f0754 (diff) | |
download | linux-e22579713ae1384a3dff545369cebe42b01370fa.tar.xz |
ASoC: simple card: set cpu-dai sysclk with mclk-fs
Allows to request a specific mclk frequency per cpu_dai.
To support some codecs with mclk provided by the cpu_dai, the
mclk rate must be set depending on frame rate.
Signed-off-by: Arnaud Pouliquen <arnaud.pouliquen@st.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'sound/soc/generic')
-rw-r--r-- | sound/soc/generic/simple-card.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/sound/soc/generic/simple-card.c b/sound/soc/generic/simple-card.c index d5554939146e..3ff76d419436 100644 --- a/sound/soc/generic/simple-card.c +++ b/sound/soc/generic/simple-card.c @@ -76,6 +76,7 @@ static int asoc_simple_card_hw_params(struct snd_pcm_substream *substream, { struct snd_soc_pcm_runtime *rtd = substream->private_data; struct snd_soc_dai *codec_dai = rtd->codec_dai; + struct snd_soc_dai *cpu_dai = rtd->cpu_dai; struct simple_card_data *priv = snd_soc_card_get_drvdata(rtd->card); struct simple_dai_props *dai_props = &priv->dai_props[rtd - rtd->card->rtd]; @@ -91,8 +92,16 @@ static int asoc_simple_card_hw_params(struct snd_pcm_substream *substream, mclk = params_rate(params) * mclk_fs; ret = snd_soc_dai_set_sysclk(codec_dai, 0, mclk, SND_SOC_CLOCK_IN); + if (ret && ret != -ENOTSUPP) + goto err; + + ret = snd_soc_dai_set_sysclk(cpu_dai, 0, mclk, + SND_SOC_CLOCK_OUT); + if (ret && ret != -ENOTSUPP) + goto err; } +err: return ret; } |