asus-laptop: no need to check argument of set_brightness()

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>

1 files changed, 2 insertions, 8 deletions

diff --git a/drivers/platform/x86/asus-laptop.c b/drivers/platform/x86/asus-laptop.c
index 1d799b3fc4e8..013ab86b1c8d 100644
--- a/drivers/platform/x86/asus-laptop.c
+++ b/drivers/platform/x86/asus-laptop.c
@@ -571,17 +571,11 @@ static int read_brightness(struct backlight_device *bd)
 
 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)