diff --git a/drivers/platform/x86/thinkpad_acpi.c b/drivers/platform/x86/thinkpad_acpi.c
index 0fefb24200731e3b4a90aa3e1c28ad8104850f0f..61e8ff0202563b8476aa2167ee3583088940feb8 100644
--- a/drivers/platform/x86/thinkpad_acpi.c
+++ b/drivers/platform/x86/thinkpad_acpi.c
@@ -6144,7 +6144,7 @@ static int brightness_set(unsigned int value)
 {
 	int res;
 
-	if (value > bright_maxlvl || value < 0)
+	if (value > bright_maxlvl)
 		return -EINVAL;
 
 	vdbg_printk(TPACPI_DBG_BRGHT,