ASoC: soc-pcm: add DEFINE_GUARD for snd_soc_card_mutex

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Define a guard class wrapping snd_soc_card_mutex_lock() and
snd_soc_card_mutex_unlock() so that scope-based locking can be used
while still picking up the SND_SOC_CARD_CLASS_RUNTIME lockdep subclass.

Signed-off-by: Troy Mitchell <troy.mitchell@linux.spacemit.com>
Link: https://patch.msgid.link/20260522-i2s-same-blk-v4-2-a71a86faaa20@linux.spacemit.com
Signed-off-by: Mark Brown <broonie@kernel.org>

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Troy Mitchell 2026-05-22 21:33:58 +08:00 • committed by Mark Brown

parent 94bdfad3a6

commit 2555c62275

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sound/soc/soc-pcm.c

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