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Diffstat (limited to 'drivers/platform/x86/asus-laptop.c')
-rw-r--r-- | drivers/platform/x86/asus-laptop.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/platform/x86/asus-laptop.c b/drivers/platform/x86/asus-laptop.c index f2b5d0a..a4cd786 100644 --- a/drivers/platform/x86/asus-laptop.c +++ b/drivers/platform/x86/asus-laptop.c @@ -775,8 +775,10 @@ static int asus_read_brightness(struct backlight_device *bd) rv = acpi_evaluate_integer(asus->handle, METHOD_BRIGHTNESS_GET, NULL, &value); - if (ACPI_FAILURE(rv)) + if (ACPI_FAILURE(rv)) { pr_warn("Error reading brightness\n"); + return 0; + } return value; } |