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ASoC: fsl_sai: Constrain sample rates from audio PLLs only in master mode

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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>
This commit is contained in:
Chancel Liu 2025-12-10 15:21:09 +09:00 committed by Mark Brown
parent 20c734cb67
commit 9f4d0899ef
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GPG Key ID: 24D68B725D5487D0
1 changed files with 8 additions and 2 deletions
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10
sound/soc/fsl/fsl_sai.c
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@ -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;
}