6.18-stable review patch. If anyone has any objections, please let me know.
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From: Chancel Liu chancel.liu@nxp.com
[ Upstream commit 9f4d0899efd9892fc7514c9488270e1bb7dedd2b ]
If SAI works in master mode it will generate clocks for external codec from audio PLLs. Thus sample rates should be constrained according to audio PLL clocks. While SAI works in slave mode which means clocks are generated externally then constraints are independent of audio PLLs.
Fixes: 4edc98598be4 ("ASoC: fsl_sai: Add sample rate constraint") Signed-off-by: Chancel Liu chancel.liu@nxp.com Link: https://patch.msgid.link/20251210062109.2577735-1-chancel.liu@nxp.com Signed-off-by: Mark Brown broonie@kernel.org Signed-off-by: Sasha Levin sashal@kernel.org --- sound/soc/fsl/fsl_sai.c | 10 ++++++++-- 1 file changed, 8 insertions(+), 2 deletions(-)
diff --git a/sound/soc/fsl/fsl_sai.c b/sound/soc/fsl/fsl_sai.c index 72bfc91e21b9..86730c214914 100644 --- a/sound/soc/fsl/fsl_sai.c +++ b/sound/soc/fsl/fsl_sai.c @@ -917,8 +917,14 @@ static int fsl_sai_startup(struct snd_pcm_substream *substream, tx ? sai->dma_params_tx.maxburst : sai->dma_params_rx.maxburst);
- ret = snd_pcm_hw_constraint_list(substream->runtime, 0, - SNDRV_PCM_HW_PARAM_RATE, &sai->constraint_rates); + if (sai->is_consumer_mode[tx]) + ret = snd_pcm_hw_constraint_list(substream->runtime, 0, + SNDRV_PCM_HW_PARAM_RATE, + &fsl_sai_rate_constraints); + else + ret = snd_pcm_hw_constraint_list(substream->runtime, 0, + SNDRV_PCM_HW_PARAM_RATE, + &sai->constraint_rates);
return ret; }