ALSA: hda: Use RUNTIME_PM_OPS() and pm_ptr()

Clean up the code with the helper macros, and also assure that no PM
ops is assigned without CONFIG_PM via pm_ptr().

Merely a cleanup, there should be no actual code change.

Signed-off-by: Takashi Iwai <[email protected]>
Link: https://patch.msgid.link/[email protected]

Author: tiwai

sound/pci/hda/hda_bind.c

@@ -185,7 +185,7 @@ int __hda_codec_driver_register(struct hda_codec_driver *drv, const char *name,
 	drv->core.driver.probe = hda_codec_driver_probe;
 	drv->core.driver.remove = hda_codec_driver_remove;
 	drv->core.driver.shutdown = hda_codec_driver_shutdown;
-	drv->core.driver.pm = &hda_codec_driver_pm;
+	drv->core.driver.pm = pm_ptr(&hda_codec_driver_pm);
 	drv->core.type = HDA_DEV_LEGACY;
 	drv->core.match = hda_codec_match;
 	drv->core.unsol_event = hda_codec_unsol_event;

sound/pci/hda/hda_codec.c

@@ -3037,8 +3037,7 @@ const struct dev_pm_ops hda_codec_driver_pm = {
 	.thaw = pm_sleep_ptr(hda_codec_pm_thaw),
 	.poweroff = pm_sleep_ptr(hda_codec_pm_suspend),
 	.restore = pm_sleep_ptr(hda_codec_pm_restore),
-	.runtime_suspend = pm_ptr(hda_codec_runtime_suspend),
-	.runtime_resume = pm_ptr(hda_codec_runtime_resume),
+	RUNTIME_PM_OPS(hda_codec_runtime_suspend, hda_codec_runtime_resume, NULL)
 };
 
 /* suspend the codec at shutdown; called from driver's shutdown callback */