Messages in this thread Patch in this message | | | From | Olivier Moysan <> | Subject | [PATCH 2/5] ASoC: stm32: sai: fix exposed capabilities in spdif mode | Date | Thu, 28 Feb 2019 14:19:22 +0100 |
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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> --- 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 506360b7bc01..e418f446e03b 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); -- 2.7.4
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