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List: linux-acpi
Subject: [PATCH AUTOSEL 6.1 33/49] ACPI: video: Fix Lenovo Ideapad Z570 DMI match
From: Sasha Levin <sashal () kernel ! org>
Date: 2023-02-26 14:46:33
Message-ID: 20230226144650.826470-33-sashal () kernel ! org
[Download RAW message or body]
From: Hans de Goede <hdegoede@redhat.com>
[ Upstream commit 2d11eae42d52a131f06061015e49dc0f085c5bfc ]
Multiple Ideapad Z570 variants need acpi_backlight=native to force native
use on these pre Windows 8 machines since acpi_video backlight control
does not work here.
The original DMI quirk matches on a product_name of "102434U" but other
variants may have different product_name-s such as e.g. "1024D9U".
Move to checking product_version instead as is more or less standard for
Lenovo DMI quirks for similar reasons.
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>
---
drivers/acpi/video_detect.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/acpi/video_detect.c b/drivers/acpi/video_detect.c
index b48f85c3791e9..7f0ed845cd6ad 100644
--- a/drivers/acpi/video_detect.c
+++ b/drivers/acpi/video_detect.c
@@ -432,7 +432,7 @@ static const struct dmi_system_id video_detect_dmi_table[] = {
/* Lenovo Ideapad Z570 */
.matches = {
DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
- DMI_MATCH(DMI_PRODUCT_NAME, "102434U"),
+ DMI_MATCH(DMI_PRODUCT_VERSION, "Ideapad Z570"),
},
},
{
--
2.39.0
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