sony-laptop: Use struct dev_pm_ops for power management

Make the sony-laptop driver define its PM callbacks through
a struct dev_pm_ops object rather than by using legacy PM hooks
in struct acpi_device_ops.

Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
diff --git a/drivers/platform/x86/sony-laptop.c b/drivers/platform/x86/sony-laptop.c
index 2b604f3..c7a2362 100644
--- a/drivers/platform/x86/sony-laptop.c
+++ b/drivers/platform/x86/sony-laptop.c
@@ -1452,7 +1452,7 @@
 				&result);
 }
 
-static int sony_nc_resume(struct acpi_device *device)
+static int sony_nc_resume(struct device *dev)
 {
 	struct sony_nc_value *item;
 	acpi_handle handle;
@@ -1484,6 +1484,8 @@
 	return 0;
 }
 
+static SIMPLE_DEV_PM_OPS(sony_nc_pm, NULL, sony_nc_resume);
+
 static void sony_nc_rfkill_cleanup(void)
 {
 	int i;
@@ -2728,9 +2730,9 @@
 	.ops = {
 		.add = sony_nc_add,
 		.remove = sony_nc_remove,
-		.resume = sony_nc_resume,
 		.notify = sony_nc_notify,
 		},
+	.drv.pm = &sony_nc_pm,
 };
 
 /*********** SPIC (SNY6001) Device ***********/
@@ -4243,19 +4245,22 @@
 	return result;
 }
 
-static int sony_pic_suspend(struct acpi_device *device)
+static int sony_pic_suspend(struct device *dev)
 {
-	if (sony_pic_disable(device))
+	if (sony_pic_disable(to_acpi_device(dev)))
 		return -ENXIO;
 	return 0;
 }
 
-static int sony_pic_resume(struct acpi_device *device)
+static int sony_pic_resume(struct device *dev)
 {
-	sony_pic_enable(device, spic_dev.cur_ioport, spic_dev.cur_irq);
+	sony_pic_enable(to_acpi_device(dev),
+			spic_dev.cur_ioport, spic_dev.cur_irq);
 	return 0;
 }
 
+static SIMPLE_DEV_PM_OPS(sony_pic_pm, sony_pic_suspend, sony_pic_resume);
+
 static const struct acpi_device_id sony_pic_device_ids[] = {
 	{SONY_PIC_HID, 0},
 	{"", 0},
@@ -4269,9 +4274,8 @@
 	.ops = {
 		.add = sony_pic_add,
 		.remove = sony_pic_remove,
-		.suspend = sony_pic_suspend,
-		.resume = sony_pic_resume,
 		},
+	.drv.pm = &sony_pic_pm,
 };
 
 static struct dmi_system_id __initdata sonypi_dmi_table[] = {