linux-kernel - [PATCH 3.4 30/44] ACPI / video: Add "Asus UL30A" to ACPI video detect blacklist

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Message-Id: <20140707235859.541477767@linuxfoundation.org>
Date:	Mon,  7 Jul 2014 17:07:20 -0700
From:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:	linux-kernel@...r.kernel.org
Cc:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	stable@...r.kernel.org,
	Bastian Triller <bastian.triller@...il.com>,
	"Rafael J. Wysocki" <rafael.j.wysocki@...el.com>,
	Ben Hutchings <ben@...adent.org.uk>,
	Yijing Wang <wangyijing@...wei.com>
Subject: [PATCH 3.4 30/44] ACPI / video: Add "Asus UL30A" to ACPI video detect blacklist

3.4-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Bastian Triller <bastian.triller@...il.com>

commit c8f6d8351ba8c89d5cd4c562552ec7ec29274e31 upstream.

Like on UL30VT, the ACPI video driver can't control backlight correctly on
Asus UL30A.  Vendor driver (asus-laptop) can work.  This patch is to
add "Asus UL30A" to ACPI video detect blacklist in order to use
asus-laptop for video control on the "Asus UL30A" rather than ACPI
video driver.

Signed-off-by: Bastian Triller <bastian.triller@...il.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@...el.com>
Signed-off-by: Ben Hutchings <ben@...adent.org.uk>
Cc: Yijing Wang <wangyijing@...wei.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>

---
 drivers/acpi/video_detect.c |    8 ++++++++
 1 file changed, 8 insertions(+)

--- a/drivers/acpi/video_detect.c
+++ b/drivers/acpi/video_detect.c
@@ -164,6 +164,14 @@ static struct dmi_system_id video_detect
 		DMI_MATCH(DMI_PRODUCT_NAME, "UL30VT"),
 		},
 	},
+	{
+	.callback = video_detect_force_vendor,
+	.ident = "Asus UL30A",
+	.matches = {
+		DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK Computer Inc."),
+		DMI_MATCH(DMI_PRODUCT_NAME, "UL30A"),
+		},
+	},
 	{ },
 };

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