platform/x86: acer-wmi: Use backlight helper

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Instead of retrieving the backlight brightness in struct
backlight_properties manually, and then checking whether the backlight
should be on at all, use backlight_get_brightness() which does all
this and insulates this from future changes.

Signed-off-by: Stephen Kitt <steve@sk2.org>
Cc: "Lee, Chun-Yi" <jlee@suse.com>
Cc: Hans de Goede <hdegoede@redhat.com>
Cc: Mark Gross <markgross@kernel.org>
Cc: platform-driver-x86@vger.kernel.org
Reviewed-by: Daniel Thompson <daniel.thompson@linaro.org>
Link: https://lore.kernel.org/r/20220607184635.1127913-2-steve@sk2.org
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>

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Stephen Kitt 2022-06-07 20:46:32 +02:00 • committed by Hans de Goede

parent 755b249250

commit 441ffc52d6

1 changed files with 1 additions and 6 deletions

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drivers/platform/x86/acer-wmi.c

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