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MLK-15033: ASoC: fsl: Change constraints for AK4458

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Add 384KHz and 768KHz as supported rates and add
different constraints for number of channels when
in tdm mode.

Signed-off-by: Cosmin-Gabriel Samoila <cosmin.samoila@nxp.com>
Reviewed-by: Shengjiu Wang <shengjiu.wang@nxp.com>
This commit is contained in:
Cosmin-Gabriel Samoila 2018-01-30 11:42:02 +02:00 committed by Jason Liu
parent d69d80f944
commit c9da6540d4
1 changed files with 16 additions and 2 deletions
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18
sound/soc/fsl/imx-ak4458.c
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@ -35,12 +35,17 @@ static struct snd_soc_dapm_widget imx_ak4458_dapm_widgets[] = {
static const u32 ak4458_rates[] = {
8000, 16000, 32000,
48000, 96000, 192000,
384000, 768000,
};
static const u32 ak4458_channels[] = {
1, 2, 4, 6, 8, 10, 12, 14, 16,
};
static const u32 ak4458_channels_tdm[] = {
1, 2, 3, 4, 5, 6, 7, 8,
};
static int imx_aif_hw_params(struct snd_pcm_substream *substream,
struct snd_pcm_hw_params *params)
{
@ -110,6 +115,9 @@ static int imx_aif_hw_params(struct snd_pcm_substream *substream,
static int imx_aif_startup(struct snd_pcm_substream *substream)
{
struct snd_pcm_runtime *runtime = substream->runtime;
struct snd_soc_pcm_runtime *rtd = substream->private_data;
struct snd_soc_card *card = rtd->card;
struct imx_ak4458_data *data = snd_soc_card_get_drvdata(card);
static struct snd_pcm_hw_constraint_list constraint_rates;
static struct snd_pcm_hw_constraint_list constraint_channels;
int ret;
@ -122,8 +130,14 @@ static int imx_aif_startup(struct snd_pcm_substream *substream)
if (ret)
return ret;
constraint_channels.list = ak4458_channels;
constraint_channels.count = ARRAY_SIZE(ak4458_channels);
if (data->tdm_mode) {
constraint_channels.list = ak4458_channels_tdm;
constraint_channels.count = ARRAY_SIZE(ak4458_channels_tdm);
} else {
constraint_channels.list = ak4458_channels;
constraint_channels.count = ARRAY_SIZE(ak4458_channels);
}
ret = snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_CHANNELS,
&constraint_channels);