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ASoC: stm32: sai: fix exposed capabilities in spdif mode 

Change capabilities exposed in SAI S/PDIF mode, to match
actually supported formats.
In S/PDIF mode only 32 bits stereo is supported.

Signed-off-by: Olivier Moysan <olivier.moysan@st.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Olivier Moysan 2019-02-28 14:19:22 +01:00 committed by Mark Brown
parent 5f8a1000c3
commit b846819297
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GPG Key ID: 24D68B725D5487D0
1 changed files with 8 additions and 0 deletions
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8
sound/soc/stm/stm32_sai_sub.c
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@ -682,6 +682,14 @@ static int stm32_sai_startup(struct snd_pcm_substream *substream,
sai->substream = substream;
if (STM_SAI_PROTOCOL_IS_SPDIF(sai)) {
snd_pcm_hw_constraint_mask64(substream->runtime,
SNDRV_PCM_HW_PARAM_FORMAT,
SNDRV_PCM_FMTBIT_S32_LE);
snd_pcm_hw_constraint_single(substream->runtime,
SNDRV_PCM_HW_PARAM_CHANNELS, 2);
}
ret = clk_prepare_enable(sai->sai_ck);
if (ret < 0) {
dev_err(cpu_dai->dev, "Failed to enable clock: %d\n", ret);