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>
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@ -76,6 +76,7 @@ static int asoc_simple_card_hw_params(struct snd_pcm_substream *substream,
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{
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struct snd_soc_pcm_runtime *rtd = substream->private_data;
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struct snd_soc_dai *codec_dai = rtd->codec_dai;
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struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
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struct simple_card_data *priv = snd_soc_card_get_drvdata(rtd->card);
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struct simple_dai_props *dai_props =
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&priv->dai_props[rtd - rtd->card->rtd];
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@ -91,8 +92,16 @@ static int asoc_simple_card_hw_params(struct snd_pcm_substream *substream,
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mclk = params_rate(params) * mclk_fs;
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ret = snd_soc_dai_set_sysclk(codec_dai, 0, mclk,
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SND_SOC_CLOCK_IN);
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if (ret && ret != -ENOTSUPP)
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goto err;
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ret = snd_soc_dai_set_sysclk(cpu_dai, 0, mclk,
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SND_SOC_CLOCK_OUT);
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if (ret && ret != -ENOTSUPP)
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goto err;
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}
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err:
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return ret;
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}
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