Comment 306 for bug 1098216

(In reply to Aaron Lu from comment #179)
> Hi Perez,
>
> I believe commit 5f24079b021cd3147c8d24ba65833f7a0df7e80d is meant to fix
> such problems:
>
> commit 5f24079b021cd3147c8d24ba65833f7a0df7e80d
> Author: Hans de Goede <email address hidden>
> Date: Thu Aug 28 10:20:46 2014 +0200
>
> ACPI / video: Add a disable_native_backlight quirk
>
> Some laptops have a working acpi_video backlight control, and using
> native
> backlight on these causes a regression where backlight control does not
> work
> when userspace is not handling brightness key events. Disable
> native_backlight
> on these to fix this.
>
> Link: https://bugzilla.kernel.org/show_bug.cgi?id=81691
> Reported-and-tested-by: Andre Müller <email address hidden>
> Cc: 3.16+ <email address hidden> # 3.16+
> Signed-off-by: Hans de Goede <email address hidden>
> Signed-off-by: Rafael J. Wysocki <email address hidden>
>
> Feel free to submit a patch to add your model into the video_dmi_table to
> disable native backlight control.

Thanks. So the “DMI table” approach was considered bad because not sustainable for this bug, but ok for bug #81691 ?

Anyway, will provide the correct DMI information on that bug.