The currently available FIFO modes (mode1 and mode7) require master
mode from the codec.
Do not allow the slave configuration when the FIFO is in use.
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@xxxxxxxxx>
---
sound/soc/codecs/tlv320dac33.c | 7 ++++++-
1 files changed, 6 insertions(+), 1 deletions(-)
diff --git a/sound/soc/codecs/tlv320dac33.c b/sound/soc/codecs/tlv320dac33.c
index bc35f3f..3ef3255 100644
--- a/sound/soc/codecs/tlv320dac33.c
+++ b/sound/soc/codecs/tlv320dac33.c
@@ -993,6 +993,7 @@ static int dac33_set_dai_fmt(struct snd_soc_dai *codec_dai,
unsigned int fmt)
{
struct snd_soc_codec *codec = codec_dai->codec;
+ struct tlv320dac33_priv *dac33 = codec->private_data;
u8 aictrl_a, aictrl_b;
aictrl_a = dac33_read_reg_cache(codec, DAC33_SER_AUDIOIF_CTRL_A);
@@ -1005,7 +1006,11 @@ static int dac33_set_dai_fmt(struct snd_soc_dai *codec_dai,
break;
case SND_SOC_DAIFMT_CBS_CFS:
/* Codec Slave */
- aictrl_a &= ~(DAC33_MSBCLK | DAC33_MSWCLK);
+ if (dac33->fifo_mode) {
+ dev_err(codec->dev, "FIFO mode requires master mode\n");
+ return -EINVAL;
+ } else
+ aictrl_a &= ~(DAC33_MSBCLK | DAC33_MSWCLK);
break;
default:
return -EINVAL;
--
1.6.6
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