ASoC: DaVinci: Add hw_param callback for S/PDIF DIT link

Commit Message

[e-mail] March 10, 2010, 9:18 a.m. UTC

None

Patch

diff --git a/sound/soc/davinci/davinci-evm.c b/sound/soc/davinci/davinci-evm.c
index 7ccbe66..dba6651 100644
--- a/sound/soc/davinci/davinci-evm.c
+++ b/sound/soc/davinci/davinci-evm.c
@@ -81,10 +81,24 @@  static int evm_hw_params(struct snd_pcm_substream *substream,
 	return 0;
 }
 
+static int evm_spdif_hw_params(struct snd_pcm_substream *substream,
+				struct snd_pcm_hw_params *params)
+{
+	struct snd_soc_pcm_runtime *rtd = substream->private_data;
+	struct snd_soc_dai *cpu_dai = rtd->dai->cpu_dai;
+
+	/* set cpu DAI configuration */
+	return snd_soc_dai_set_fmt(cpu_dai, AUDIO_FORMAT);
+}
+
 static struct snd_soc_ops evm_ops = {
 	.hw_params = evm_hw_params,
 };
 
+static struct snd_soc_ops evm_spdif_ops = {
+	.hw_params = evm_spdif_hw_params,
+};
+
 /* davinci-evm machine dapm widgets */
 static const struct snd_soc_dapm_widget aic3x_dapm_widgets[] = {
 	SND_SOC_DAPM_HP("Headphone Jack", NULL),
@@ -165,7 +179,7 @@  static struct snd_soc_dai_link dm6467_evm_dai[] = {
 		.stream_name = "spdif",
 		.cpu_dai = &davinci_mcasp_dai[DAVINCI_MCASP_DIT_DAI],
 		.codec_dai = &dit_stub_dai,
-		.ops = &evm_ops,
+		.ops = &evm_spdif_ops,
 	},
 };
 static struct snd_soc_dai_link da8xx_evm_dai = {