We already tell the backlight class our maximum brightness value; it
will validate the user requested values for us.
Signed-off-by: Corentin Chary <corentincj@iksaif.net>
static int set_brightness(struct backlight_device *bd, int value)
{
- int ret = 0;
-
- value = (0 < value) ? ((15 < value) ? 15 : value) : 0;
- /* 0 <= value <= 15 */
-
if (write_acpi_int(brightness_set_handle, NULL, value, NULL)) {
pr_warning("Error changing brightness\n");
- ret = -EIO;
+ return -EIO;
}
-
- return ret;
+ return 0;
}
static int update_bl_status(struct backlight_device *bd)