From: Olivier Moysan olivier.moysan@st.com
[ Upstream commit b8468192971807c43a80d6e2c41f83141cb7b211 ]
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 Signed-off-by: Sasha Levin sashal@kernel.org --- sound/soc/stm/stm32_sai_sub.c | 8 ++++++++ 1 file changed, 8 insertions(+)
diff --git a/sound/soc/stm/stm32_sai_sub.c b/sound/soc/stm/stm32_sai_sub.c index 8746a22841f0..de4855b30e36 100644 --- a/sound/soc/stm/stm32_sai_sub.c +++ b/sound/soc/stm/stm32_sai_sub.c @@ -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);