On 06/29/2014 04:42 PM, Martin Kepplinger wrote:
> Am 2014-06-23 22:30, schrieb 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 = {
>>
>
> are there objections or advice on this? this would be really good to
> have, even if for 3.17.
For v3.16, we already have this commit to make use_native_backlight
equal to 1 by default:
commit 751109aad5834375ca9ed0dcfcd85a00cbf872b5
Author: Rafael J. Wysocki <rafael.j.wysocki@xxxxxxxxx>
Date: Thu Jun 5 22:47:35 2014 +0200
ACPI / video: Change the default for video.use_native_backlight to 1
Thanks,
Aaron
>
> thanks.
> martin
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