ALSA: maestro3: Allocate resources with device-managed APIs
This patch converts the resource management in PCI maestro3 driver with devres as a clean up. Each manual resource management is converted with the corresponding devres helper, and the card object release is managed now via card->private_free instead of a lowlevel snd_device. Superfluous ac97 private_free callbacks were dropped, too. This should give no user-visible functional changes. Link: https://lore.kernel.org/r/20210715075941.23332-21-tiwai@suse.deSigned-off-by: Takashi Iwai <tiwai@suse.de>
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