fwts -i
brightness: Interactive LCD brightness test.
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Test 1 of 3: Observe all brightness changes.
PASSED: Test 1, Backlight intel_backlight set to dim level.
PASSED: Test 1, Backlight intel_backlight set to bright level.
Test 2 of 3: Observe min, max brightness changes.
PASSED: Test 2, Backlight intel_backlight was observed going from dim to bright.
Test 3 of 3: Test brightness hotkeys.
FAILED [HIGH] BrightnessNoHotKey: Test 3, Did not detect ACPI hotkey event.
FAILED [HIGH] BrightnessNoHotKey: Test 3, Did not detect ACPI hotkey event.
fwts -i ------- ------- ------- ------- ------- ------- ------- ------- ------- ------- ---
brightness: Interactive LCD brightness test.
-------
Test 1 of 3: Observe all brightness changes.
PASSED: Test 1, Backlight intel_backlight set to dim level.
PASSED: Test 1, Backlight intel_backlight set to bright level.
Test 2 of 3: Observe min, max brightness changes.
PASSED: Test 2, Backlight intel_backlight was observed going from dim to bright.
Test 3 of 3: Test brightness hotkeys.
FAILED [HIGH] BrightnessNoHotKey: Test 3, Did not detect ACPI hotkey event.
FAILED [HIGH] BrightnessNoHotKey: Test 3, Did not detect ACPI hotkey event.