In 6.1/6.6 there is no BACKLIGHT_POWER_ON definition so a build error occurs due to recently backport:
CC drivers/platform/loongarch/loongson-laptop.o drivers/platform/loongarch/loongson-laptop.c: In function 'laptop_backlight_register': drivers/platform/loongarch/loongson-laptop.c:428:23: error: 'BACKLIGHT_POWER_ON' undeclared (first use in this function) 428 | props.power = BACKLIGHT_POWER_ON; | ^~~~~~~~~~~~~~~~~~
Use FB_BLANK_UNBLANK instead which has the same meaning.
Signed-off-by: Huacai Chen chenhuacai@loongson.cn --- drivers/platform/loongarch/loongson-laptop.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/platform/loongarch/loongson-laptop.c b/drivers/platform/loongarch/loongson-laptop.c index 61b18ac206c9..5fcfa3a7970b 100644 --- a/drivers/platform/loongarch/loongson-laptop.c +++ b/drivers/platform/loongarch/loongson-laptop.c @@ -425,7 +425,7 @@ static int laptop_backlight_register(void)
props.max_brightness = status; props.brightness = ec_get_brightness(); - props.power = BACKLIGHT_POWER_ON; + props.power = FB_BLANK_UNBLANK; props.type = BACKLIGHT_PLATFORM;
backlight_device_register("loongson_laptop",