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 <[email protected]>
Tested-by: Martin Kepplinger <[email protected]>
---
 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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