Commit adb00581 authored by Henrique de Moraes Holschuh's avatar Henrique de Moraes Holschuh
Browse files

ACPI: ibm-acpi: fix initial status of backlight device 



The brightness class core does not update the initial status of the
device's brightness at register time.  Do it by ourselves.

Signed-off-by: default avatarHenrique de Moraes Holschuh <hmh@hmh.eng.br>
Acked-by: default avatarRichard Purdie <rpurdie@rpsys.net>
parent c8f71b01

drivers/acpi/ibm_acpi.c

+9 −1
Original line number Diff line number Diff line
@@ -1711,6 +1711,12 @@ static struct backlight_ops ibm_backlight_data = { 


static int brightness_init(void)

{

	int b;



	b = brightness_get(NULL);

	if (b < 0)

		return b;



	ibm_backlight_device = backlight_device_register("ibm", NULL, NULL,

							 &ibm_backlight_data);

	if (IS_ERR(ibm_backlight_device)) {
@@ -1719,6 +1725,8 @@ static int brightness_init(void) 
	}



	ibm_backlight_device->props.max_brightness = 7;

	ibm_backlight_device->props.brightness = b;

	backlight_update_status(ibm_backlight_device);



	return 0;

}