Bug#1002460: linux-image-amd64: Missing kernel configuration for Microsoft Laptops and Surface devices

[Salvatore Bonaccorso <carnil@debian.org>]

Hi,

On Thu, Dec 23, 2021 at 02:37:50PM +0100, Maximilian Luz wrote:
> On Wed, 22 Dec 2021 23:47:10 +0100 Vincent Blut <vincent.debian@free.fr> wrote:
> > Le 2021-12-22 14:07, Matthias Brennwald a écrit :
> > > Full details (including a suggested fix) are available here:
> > > https://github.com/linux-surface/linux-surface/issues/683
> > 
> > I need a clarification about CONFIG_SURFACE_AGGREGATOR_CDEV. This
> > options' help text mentions that it is intended for debugging and
> > development only, and should not be used otherwise. Is it really needed?
> 
> It's not needed for normal support, no. It's quite useful for debugging
> and adding support for new devices, though.
> 
> You can compare it a bit with USB Raw Gadget or HIDRAW (except that we
> don't want anyone writing user-space drivers against that interface),
> i.e. it provides a direct channel from user-space to the EC. Setting
> this option to M provides a module that needs to be loaded in explicitly
> when someone wants to use it.
> 
> I've added it to the list because other distros (Ubuntu, Arch) have
> enabled it. Feel free to keep it disabled.

Thank you. I have merged Vincent's MR (keeping for now the other
discussion option disabled), and it will be in the next 5.16.y upload.

Regards,
Salvatore