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

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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>
This commit is contained in:
Corentin Chary 2009-06-16 19:28:46 +00:00 committed by Len Brown
parent cede2cb6ee
commit 116bf2e010
1 changed files with 19 additions and 21 deletions
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40
drivers/platform/x86/asus-laptop.c
View file

@ -1321,7 +1321,6 @@ static int asus_led_init(struct device *dev)
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 @@ static int __init asus_laptop_init(void)
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;
}