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Date: Fri, 25 Oct 2019 09:55:27 -0400
From: Sasha Levin <sashal@...nel.org>
To: linux-kernel@...r.kernel.org, stable@...r.kernel.org
Cc: Zhang Rui <rui.zhang@...el.com>,
"Rafael J . Wysocki" <rafael.j.wysocki@...el.com>,
Sasha Levin <sashal@...nel.org>, linux-acpi@...r.kernel.org
Subject: [PATCH AUTOSEL 4.19 03/37] ACPI: video: Use vendor backlight on Sony VPCEH3U1E
From: Zhang Rui <rui.zhang@...el.com>
[ Upstream commit aefa763b18a220f5fc1d5ab02af09158b6cc36ea ]
On Sony Vaio VPCEH3U1E, ACPI backlight control does not work, and native
backlight works. Thus force use vendor backlight control on this system.
Link: https://bugzilla.kernel.org/show_bug.cgi?id=202401
Signed-off-by: Zhang Rui <rui.zhang@...el.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@...el.com>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
drivers/acpi/video_detect.c | 8 ++++++++
1 file changed, 8 insertions(+)
diff --git a/drivers/acpi/video_detect.c b/drivers/acpi/video_detect.c
index 43587ac680e47..0e0a3929e34e2 100644
--- a/drivers/acpi/video_detect.c
+++ b/drivers/acpi/video_detect.c
@@ -141,6 +141,14 @@ static const struct dmi_system_id video_detect_dmi_table[] = {
DMI_MATCH(DMI_PRODUCT_NAME, "UL30A"),
},
},
+ {
+ .callback = video_detect_force_vendor,
+ .ident = "Sony VPCEH3U1E",
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
+ DMI_MATCH(DMI_PRODUCT_NAME, "VPCEH3U1E"),
+ },
+ },
/*
* These models have a working acpi_video backlight control, and using
--
2.20.1
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