On Sunday, May 22, 2016 07:23:59 PM Ralf Gerbig wrote:
> Hi,
>
> the X201 Tablet needs the same treatmant as the X201s,
> otherwise you can't change levels.
>
> The patch is against 4.5.5 stable, but should apply to all recent
> kernels.
>
> Please be gentle, I am neither a programmer nor a developer.
>
> If you have questions, feel free to ask, but don't expect an answer in
> the next 10 to 20 days (going to hospital).
>
> Regards,
>
> Ralf Gerbig
>
> ---
> commit a10b5a05eae1a990682ce238b8e0ac6ad791a8a9
> Author: Ralf Gerbig <rge@xxxxxxxxxxx>
> Date: Sun May 22 18:56:22 2016 +0200
>
> The Thinkpad X201 Tablet also needs video_detect_force_video
>
> Signed-off-by: Ralf Gerbig <rge@xxxxxxxxxxx>
>
> diff --git a/drivers/acpi/video_detect.c b/drivers/acpi/video_detect.c
> index 1316ddd..d8d7bd3 100644
> --- a/drivers/acpi/video_detect.c
> +++ b/drivers/acpi/video_detect.c
> @@ -167,6 +167,14 @@ static const struct dmi_system_id video_detect_dmi_table[] = {
> DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkPad X201s"),
> },
> },
> + {
> + .callback = video_detect_force_video,
> + .ident = "ThinkPad X201T",
> + .matches = {
> + DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
> + DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkPad X201T"),
> + },
> + },
>
> /* The native backlight controls do not work on some older machines */
> {
Patch applied, thanks!
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