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.deb...@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