ASoC: codecs: max98396: Unwind supplies on resume failure

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max98396_resume() enables the core, pvdd, and vbat supplies before
leaving cache-only mode, resetting the device, and replaying cached
register state. The function currently ignores regcache_sync() failures,
and the optional pvdd/vbat enable failures return without unwinding
supplies that were already enabled in this resume attempt.

Rework the function to use common error labels. This propagates sync
failures, restores cache-only/dirty state on failed cache replay, and
disables each supply acquired by this resume path before returning the
error.

Signed-off-by: Pengpeng Hou <pengpeng@iscas.ac.cn>
Link: https://patch.msgid.link/20260704040651.47558-1-pengpeng@iscas.ac.cn
Signed-off-by: Mark Brown <broonie@kernel.org>

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Pengpeng Hou 2026-07-04 12:06:51 +08:00 • committed by Mark Brown

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sound/soc/codecs/max98396.c

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