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Diffstat (limited to 'src/drivers/intel/gma')
| -rw-r--r-- | src/drivers/intel/gma/acpi/configure_brightness_levels.asl | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/src/drivers/intel/gma/acpi/configure_brightness_levels.asl b/src/drivers/intel/gma/acpi/configure_brightness_levels.asl index 3ec74119f1..21f0b2318e 100644 --- a/src/drivers/intel/gma/acpi/configure_brightness_levels.asl +++ b/src/drivers/intel/gma/acpi/configure_brightness_levels.asl @@ -122,6 +122,11 @@ /* Find value closest to BCLV in BRIG (which must be ordered) */ Method (XBQC, 0, NotSerialized) { + /* Prevent DivideByZero if backlight control isn't enabled */ + If (BCLM == 0) + { + Return (Zero) + } /* Local0: current percentage */ Store (DRCL (Multiply (BCLV, 100), BCLM), Local0) |