ASoC: fsl-asoc-card: defer probe when the CPU DAI device is not ready

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fsl_asoc_card_probe() hard-fails with -EINVAL when the CPU DAI (SAI)
platform device is not found. Like the codec, the CPU DAI may just be
probed later than the machine driver; the order is not guaranteed and
varies across kernel versions, so a permanent -EINVAL leaves the card
unregistered with no analog playback or capture.

Defer probe instead, mirroring commit e396dec46c ("ASoC:
fsl-asoc-card: Defer probe when fail to find codec device").

Tested on i.MX8MP with an ALC5672 on SAI3: the card that failed to
register on v6.18 now comes up during boot.

Fixes: 708b4351f0 ("ASoC: fsl: Add Freescale Generic ASoC Sound Card with ASRC support")
Signed-off-by: LiangCheng Wang <zaq14760@gmail.com>
Link: https://patch.msgid.link/20260805-fsl-asoc-defer-cpu-dai-v1-1-43f7f538e384@gmail.com
Signed-off-by: Mark Brown <broonie@kernel.org>

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LiangCheng Wang 2026-08-05 15:55:43 +08:00 • committed by Mark Brown

parent 6ec64d757a

commit 0286324da6

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sound/soc/fsl/fsl-asoc-card.c

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