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>

1 files changed, 19 insertions, 21 deletions

diff --git a/drivers/platform/x86/asus-laptop.c b/drivers/platform/x86/asus-laptop.c
index eaffe732653a..faa87d3e3983 100644
--- 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;
 }