From adb005818b71e9476581a1de5742e2f427ac9e2b Mon Sep 17 00:00:00 2001 From: Henrique de Moraes Holschuh Date: Thu, 22 Feb 2007 16:04:55 -0200 Subject: [PATCH] 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: Henrique de Moraes Holschuh Acked-by: Richard Purdie --- drivers/acpi/ibm_acpi.c | 10 +++++++++- 1 file changed, 9 insertions(+), 1 deletion(-) diff --git a/drivers/acpi/ibm_acpi.c b/drivers/acpi/ibm_acpi.c index 4cc534e36e81..7c1b418676b9 100644 --- a/drivers/acpi/ibm_acpi.c +++ b/drivers/acpi/ibm_acpi.c @@ -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)) { @@ -1718,7 +1724,9 @@ static int brightness_init(void) return PTR_ERR(ibm_backlight_device); } - ibm_backlight_device->props.max_brightness = 7; + ibm_backlight_device->props.max_brightness = 7; + ibm_backlight_device->props.brightness = b; + backlight_update_status(ibm_backlight_device); return 0; } -- 2.20.1