[ALSA] clean suspend/resume calls for ac97_bus_type

AC97 Codec
A single call to the driver suspend/resume method for each device is
enough. The level and SUSPEND_*/RESUME_* arguments are deprecated and
said to be removed eventually anyway (no other subsystem are using them
anymore except platform devices).
Signed-off-by: NNicolas Pitre <nico@cam.org>
Signed-off-by: NTakashi Iwai <tiwai@suse.de>

sound/pci/ac97/ac97_bus.c

@@ -30,13 +30,8 @@ static int ac97_bus_suspend(struct device *dev, pm_message_t state)
 {
 	int ret = 0;
 
-	if (dev->driver && dev->driver->suspend) {
-		ret = dev->driver->suspend(dev, state, SUSPEND_DISABLE);
-		if (ret == 0)
-			ret = dev->driver->suspend(dev, state, SUSPEND_SAVE_STATE);
-		if (ret == 0)
+	if (dev->driver && dev->driver->suspend)
 		ret = dev->driver->suspend(dev, state, SUSPEND_POWER_DOWN);
-	}
 	return ret;
 }
 
@@ -44,13 +39,8 @@ static int ac97_bus_resume(struct device *dev)
 {
 	int ret = 0;
 
-	if (dev->driver && dev->driver->resume) {
+	if (dev->driver && dev->driver->resume)
 		ret = dev->driver->resume(dev, RESUME_POWER_ON);
-		if (ret == 0)
-			ret = dev->driver->resume(dev, RESUME_RESTORE_STATE);
-		if (ret == 0)
-			ret = dev->driver->resume(dev, RESUME_ENABLE);
-	}
 	return ret;
 }