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-rw-r--r--sound/soc/codecs/tlv320dac33.c16
1 files changed, 14 insertions, 2 deletions
diff --git a/sound/soc/codecs/tlv320dac33.c b/sound/soc/codecs/tlv320dac33.c
index 05a4e9fade47..13d521cfe393 100644
--- a/sound/soc/codecs/tlv320dac33.c
+++ b/sound/soc/codecs/tlv320dac33.c
@@ -764,6 +764,8 @@ static int dac33_startup(struct snd_pcm_substream *substream,
/* Stream started, save the substream pointer */
dac33->substream = substream;
+ snd_pcm_hw_constraint_msbits(substream->runtime, 0, 32, 24);
+
return 0;
}
@@ -803,6 +805,10 @@ static int dac33_hw_params(struct snd_pcm_substream *substream,
dac33->fifo_size = DAC33_FIFO_SIZE_16BIT;
dac33->burst_rate = CALC_BURST_RATE(dac33->burst_bclkdiv, 32);
break;
+ case SNDRV_PCM_FORMAT_S32_LE:
+ dac33->fifo_size = DAC33_FIFO_SIZE_24BIT;
+ dac33->burst_rate = CALC_BURST_RATE(dac33->burst_bclkdiv, 64);
+ break;
default:
dev_err(codec->dev, "unsupported format %d\n",
params_format(params));
@@ -856,6 +862,9 @@ static int dac33_prepare_chip(struct snd_pcm_substream *substream)
aictrl_a |= (DAC33_NCYCL_16 | DAC33_WLEN_16);
fifoctrl_a |= DAC33_WIDTH;
break;
+ case SNDRV_PCM_FORMAT_S32_LE:
+ aictrl_a |= (DAC33_NCYCL_32 | DAC33_WLEN_24);
+ break;
default:
dev_err(codec->dev, "unsupported format %d\n",
substream->runtime->format);
@@ -990,7 +999,10 @@ static int dac33_prepare_chip(struct snd_pcm_substream *substream)
dac33_write(codec, DAC33_SER_AUDIOIF_CTRL_C,
dac33->burst_bclkdiv);
else
- dac33_write(codec, DAC33_SER_AUDIOIF_CTRL_C, 32);
+ if (substream->runtime->format == SNDRV_PCM_FORMAT_S16_LE)
+ dac33_write(codec, DAC33_SER_AUDIOIF_CTRL_C, 32);
+ else
+ dac33_write(codec, DAC33_SER_AUDIOIF_CTRL_C, 16);
switch (dac33->fifo_mode) {
case DAC33_FIFO_MODE1:
@@ -1438,7 +1450,7 @@ static struct snd_soc_codec_driver soc_codec_dev_tlv320dac33 = {
#define DAC33_RATES (SNDRV_PCM_RATE_44100 | \
SNDRV_PCM_RATE_48000)
-#define DAC33_FORMATS SNDRV_PCM_FMTBIT_S16_LE
+#define DAC33_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S32_LE)
static struct snd_soc_dai_ops dac33_dai_ops = {
.startup = dac33_startup,