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>
diff --git a/sound/soc/generic/simple-card.c b/sound/soc/generic/simple-card.c
index d555493..3ff76d4 100644
--- a/sound/soc/generic/simple-card.c
+++ b/sound/soc/generic/simple-card.c
@@ -76,6 +76,7 @@
{
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 @@
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;
}