diff options
| author | Puyou Lu <[email protected]> | 2020-07-02 10:30:56 +0800 |
|---|---|---|
| committer | Mark Brown <[email protected]> | 2020-07-09 19:55:28 +0100 |
| commit | 01283d56f0ea0040b64dc785542f3ad3fb8b3e68 (patch) | |
| tree | 7161e9fd0cc6b9d77b321fd031953f6af019824c | |
| parent | 574ea5c80eb18edd0d93864985650efec63347c0 (diff) | |
ASoC: wm8974: remove unsupported clock mode
In DSP_A mode, BIT7 of IFACE should bit 0 according to datasheet (ie.
inverted frame clock is not support in this mode).
Signed-off-by: Puyou Lu <[email protected]>
Acked-by: Charles Keepax <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Mark Brown <[email protected]>
| -rw-r--r-- | sound/soc/codecs/wm8974.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/sound/soc/codecs/wm8974.c b/sound/soc/codecs/wm8974.c index 764bf93fb58a..7cfc89602fc3 100644 --- a/sound/soc/codecs/wm8974.c +++ b/sound/soc/codecs/wm8974.c @@ -474,6 +474,10 @@ static int wm8974_set_dai_fmt(struct snd_soc_dai *codec_dai, iface |= 0x0008; break; case SND_SOC_DAIFMT_DSP_A: + if ((fmt & SND_SOC_DAIFMT_INV_MASK) == SND_SOC_DAIFMT_IB_IF || + (fmt & SND_SOC_DAIFMT_INV_MASK) == SND_SOC_DAIFMT_NB_IF) { + return -EINVAL; + } iface |= 0x00018; break; default: |