In the previous change for swapping the power_ref and controls_rwsem
lock order, the code path for the compat layer was forgotten.
This patch covers the remaining code.

Fixes: fcc62b19 ("ALSA: control: Take power_ref lock primarily")
Link: https://patch.msgid.link/20240808163128.20383-1-tiwai@suse.deSigned-off-by: Takashi Iwai <tiwai@suse.de>