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authorCosmin-Gabriel Samoila <cosmin.samoila@nxp.com>2018-01-30 11:42:02 +0200
committerDong Aisheng <aisheng.dong@nxp.com>2019-11-25 15:50:31 +0800
commit9e64d031865ae791cc11de4427d623841735307c (patch)
tree6c11da0f6aaa46bfe448c8d20d378a50db5a6477 /sound/soc/fsl/imx-ak4458.c
parent681e50e56cea183233a7ef3626403dd9777fb6bf (diff)
MLK-15033: ASoC: fsl: Change constraints for AK4458
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>
Diffstat (limited to 'sound/soc/fsl/imx-ak4458.c')
-rw-r--r--sound/soc/fsl/imx-ak4458.c18
1 files changed, 16 insertions, 2 deletions
diff --git a/sound/soc/fsl/imx-ak4458.c b/sound/soc/fsl/imx-ak4458.c
index e52b84c6417e..30b649c36461 100644
--- a/sound/soc/fsl/imx-ak4458.c
+++ b/sound/soc/fsl/imx-ak4458.c
@@ -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);