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ACPI: video: Add backlight=native DMI quirk for Lenovo Ideapad Z470
[ Upstream commit 96b709be18
]
The Lenovo Ideapad Z470 predates Windows 8, so it defaults to using
acpi_video for backlight control. But this is not functional on this
model.
Add a DMI quirk to use the native backlight interface which works.
Link: https://bugzilla.suse.com/show_bug.cgi?id=1208724
Signed-off-by: Jiri Slaby (SUSE) <jirislaby@kernel.org>
Reviewed-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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@ -294,6 +294,15 @@ static const struct dmi_system_id video_detect_dmi_table[] = {
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DMI_MATCH(DMI_BOARD_NAME, "Lenovo IdeaPad S405"),
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},
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},
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{
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/* https://bugzilla.suse.com/show_bug.cgi?id=1208724 */
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.callback = video_detect_force_native,
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/* Lenovo Ideapad Z470 */
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.matches = {
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DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
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DMI_MATCH(DMI_PRODUCT_VERSION, "IdeaPad Z470"),
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},
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},
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{
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/* https://bugzilla.redhat.com/show_bug.cgi?id=1187004 */
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.callback = video_detect_force_native,
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