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8c0ae778e2
Use wait_event_cmd() macro and simplify snd_power_ref_wait() implementation. This may also cover possible races in the current open code, too. Reviewed-by: Jaroslav Kysela <perex@perex.cz> Link: https://lore.kernel.org/r/20220119091050.30125-1-tiwai@suse.de Signed-off-by: Takashi Iwai <tiwai@suse.de>