[PATCH] Fix backlight control for Acer TravelMate B113

[Martin Kepplinger]

Fix backlight control for Acer TravelMate B113 Laptop by adding
it to the video_dmi_table.

A workaround before that was to use acpi_osi=Linux or
acpi_backlight=vendor on boot but even then, only the function-
keys worked.

With this change there is no need for boot parameters and DE's
controls work as well.

Signed-off-by: Martin Kepplinger <martink@xxxxxxxxx>
Tested-by: Martin Kepplinger <martink@xxxxxxxxx>
---
 drivers/acpi/video.c |    8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/drivers/acpi/video.c b/drivers/acpi/video.c
index f8bc5a7..acb0670 100644
--- a/drivers/acpi/video.c
+++ b/drivers/acpi/video.c
@@ -528,6 +528,14 @@ static struct dmi_system_id video_dmi_table[] __initdata = {
 		},
 	},
 	{
+	 .callback = video_set_use_native_backlight,
+	 .ident = "Acer TravelMate B113",
+	 .matches = {
+		DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
+		DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate B113"),
+		},
+	},
+	{
 	.callback = video_set_use_native_backlight,
 	.ident = "HP ProBook 4340s",
 	.matches = {
-- 
1.7.10.4

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