linux-kernel - [PATCH 5.10 167/593] ACPI: video: use native backlight for GA401/GA502/GA503

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Message-Id: <20210712060901.407044131@linuxfoundation.org>
Date:   Mon, 12 Jul 2021 08:05:27 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, "Luke D. Jones" <luke@...nes.dev>,
        "Rafael J. Wysocki" <rafael.j.wysocki@...el.com>,
        Sasha Levin <sashal@...nel.org>
Subject: [PATCH 5.10 167/593] ACPI: video: use native backlight for GA401/GA502/GA503

From: Luke D Jones <luke@...nes.dev>

[ Upstream commit 2dfbacc65d1d2eae587ccb6b93f6280542641858 ]

Force backlight control in these models to use the native interface
at /sys/class/backlight/amdgpu_bl0.

Signed-off-by: Luke D. Jones <luke@...nes.dev>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@...el.com>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 drivers/acpi/video_detect.c | 24 ++++++++++++++++++++++++
 1 file changed, 24 insertions(+)

diff --git a/drivers/acpi/video_detect.c b/drivers/acpi/video_detect.c
index 83cd4c95faf0..33474fd96991 100644
--- a/drivers/acpi/video_detect.c
+++ b/drivers/acpi/video_detect.c
@@ -385,6 +385,30 @@ static const struct dmi_system_id video_detect_dmi_table[] = {
 		DMI_MATCH(DMI_BOARD_NAME, "BA51_MV"),
 		},
 	},
+	{
+	.callback = video_detect_force_native,
+	.ident = "ASUSTeK COMPUTER INC. GA401",
+	.matches = {
+		DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
+		DMI_MATCH(DMI_PRODUCT_NAME, "GA401"),
+		},
+	},
+	{
+	.callback = video_detect_force_native,
+	.ident = "ASUSTeK COMPUTER INC. GA502",
+	.matches = {
+		DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
+		DMI_MATCH(DMI_PRODUCT_NAME, "GA502"),
+		},
+	},
+	{
+	.callback = video_detect_force_native,
+	.ident = "ASUSTeK COMPUTER INC. GA503",
+	.matches = {
+		DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
+		DMI_MATCH(DMI_PRODUCT_NAME, "GA503"),
+		},
+	},
 
 	/*
 	 * Desktops which falsely report a backlight and which our heuristics
-- 
2.30.2