asus-laptop: platform dev as parent for led and backlight

Makes asus-laptop platform device the parent device of
backlight and led classes.

With this patch, leds and backlight are also available in
/sys/devices/platform/asus-laptop/ like thinkpad_acpi.

Signed-off-by: Corentin Chary <corentincj@iksaif.net>
Signed-off-by: Len Brown <len.brown@intel.com>

diff --git a/drivers/platform/x86/asus-laptop.c b/drivers/platform/x86/asus-laptop.c
index eaffe73..faa87d3 100644 (file)
--- a/drivers/platform/x86/asus-laptop.c
+++ b/drivers/platform/x86/asus-laptop.c
@@ -1321,7 +1321,6 @@ out:
 
 static int __init asus_laptop_init(void)
 {
-       struct device *dev;
        int result;
 
        if (acpi_disabled)
@@ -1343,24 +1342,10 @@ static int __init asus_laptop_init(void)
                return -ENODEV;
        }
 
-       dev = acpi_get_physical_device(hotk->device->handle);
-
-       if (!acpi_video_backlight_support()) {
-               result = asus_backlight_init(dev);
-               if (result)
-                       goto fail_backlight;
-       } else
-               printk(ASUS_INFO "Brightness ignored, must be controlled by "
-                      "ACPI video driver\n");
-
        result = asus_input_init();
        if (result)
                goto fail_input;
 
-       result = asus_led_init(dev);
-       if (result)
-               goto fail_led;
-
        /* Register platform stuff */
        result = platform_driver_register(&asuspf_driver);
        if (result)
@@ -1381,8 +1366,27 @@ static int __init asus_laptop_init(void)
        if (result)
                goto fail_sysfs;
 
+       result = asus_led_init(&asuspf_device->dev);
+       if (result)
+               goto fail_led;
+
+       if (!acpi_video_backlight_support()) {
+               result = asus_backlight_init(&asuspf_device->dev);
+               if (result)
+                       goto fail_backlight;
+       } else
+               printk(ASUS_INFO "Brightness ignored, must be controlled by "
+                      "ACPI video driver\n");
+
        return 0;
 
+fail_backlight:
+       asus_led_exit();
+
+fail_led:
+       sysfs_remove_group(&asuspf_device->dev.kobj,
+                         &asuspf_attribute_group);
+
 fail_sysfs:
        platform_device_del(asuspf_device);
 
@@ -1393,15 +1397,9 @@ fail_platform_device1:
        platform_driver_unregister(&asuspf_driver);
 
 fail_platform_driver:
-       asus_led_exit();
-
-fail_led:
        asus_input_exit();
 
 fail_input:
-       asus_backlight_exit();
-
-fail_backlight:
 
        return result;
 }