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ACPI: video: Simplify __acpi_video_get_backlight_type()
[ Upstream commit a5df425 ] Simplify __acpi_video_get_backlight_type() removing a nested if which makes the flow harder to follow. This also results in having only 1 exit point with return acpi_backlight_native instead of 2. Note this drops the (video_caps & ACPI_VIDEO_BACKLIGHT) check from the if (acpi_osi_is_win8() && native_available) return native path. Windows 8's hardware certification requirements include that there must be ACPI video bus backlight control, so the ACPI_VIDEO_BACKLIGHT check is redundant. Signed-off-by: Hans de Goede <hdegoede@redhat.com> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com> Signed-off-by: Sasha Levin <sashal@kernel.org>
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