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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 <puyou.lu@gmail.com>
Acked-by: Charles Keepax <ckeepax@opensource.cirrus.com>
Link: https://lore.kernel.org/r/1593657056-4989-1-git-send-email-puyou.lu@gmail.com
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Puyou Lu 2020-07-02 10:30:56 +08:00 committed by Mark Brown
parent 574ea5c80e
commit 01283d56f0
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GPG Key ID: 24D68B725D5487D0
1 changed files with 4 additions and 0 deletions
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4
sound/soc/codecs/wm8974.c
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@ -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: