linux-kernel - [PATCH 3.4 122/177] samsung-laptop: Add broken-acpi-video quirk for NC210/NC110

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Date:	Wed, 28 Jan 2015 12:09:40 +0800
From:	lizf@...nel.org
To:	stable@...r.kernel.org
Cc:	linux-kernel@...r.kernel.org, Hans de Goede <hdegoede@...hat.com>,
	Darren Hart <dvhart@...ux.intel.com>,
	Zefan Li <lizefan@...wei.com>
Subject: [PATCH 3.4 122/177] samsung-laptop: Add broken-acpi-video quirk for NC210/NC110

From: Hans de Goede <hdegoede@...hat.com>

3.4.106-rc1 review patch.  If anyone has any objections, please let me know.

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


commit 5a1426c99f9b7aa11d60c4e6b7a3211bb5321696 upstream.

The acpi-video backlight interface on the NC210 does not work, blacklist it
and use the samsung-laptop interface instead.

BugLink: https://bugzilla.redhat.com/show_bug.cgi?id=861573
Signed-off-by: Hans de Goede <hdegoede@...hat.com>
Signed-off-by: Darren Hart <dvhart@...ux.intel.com>
[lizf: Backported to 3.4: adjust context]
Signed-off-by: Zefan Li <lizefan@...wei.com>
---
 drivers/platform/x86/samsung-laptop.c | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/drivers/platform/x86/samsung-laptop.c b/drivers/platform/x86/samsung-laptop.c
index de9f432..28c1bdb 100644
--- a/drivers/platform/x86/samsung-laptop.c
+++ b/drivers/platform/x86/samsung-laptop.c
@@ -1517,6 +1517,16 @@ static struct dmi_system_id __initdata samsung_dmi_table[] = {
 		},
 	 .driver_data = &samsung_broken_acpi_video,
 	},
+	{
+	 .callback = samsung_dmi_matched,
+	 .ident = "NC210",
+	 .matches = {
+		DMI_MATCH(DMI_SYS_VENDOR, "SAMSUNG ELECTRONICS CO., LTD."),
+		DMI_MATCH(DMI_PRODUCT_NAME, "NC210/NC110"),
+		DMI_MATCH(DMI_BOARD_NAME, "NC210/NC110"),
+		},
+	 .driver_data = &samsung_broken_acpi_video,
+	},
 	{ },
 };
 MODULE_DEVICE_TABLE(dmi, samsung_dmi_table);
-- 
1.9.1

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