lkml.org 
[lkml]   [2022]   [Sep]   [21]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: Cutiepi, serdevs, and right way to handle its power button
On Wed 2022-09-21 17:45:33, Andy Shevchenko wrote:
> On Tue, Sep 20, 2022 at 10:56:37PM +0200, Pavel Machek wrote:
> > Hi!
> >
> > Cutiepie is a small handheld tablet. It has embedded controller
> > connected via serial to the main system, handling stuff such as power
> > button and battery percentage. Currently they are using userland
> > deamon for communication, but I believe that should eventually go into
> > kernel.
> >
> > For debugging, it would be really nice to be able to attach my module
> > to given serdev. Is such thing possible? I see "[PATCH v2 00/19]
> > Dynamically load/remove serdev devices via sysfs*" series
> > (https://www.spinics.net/lists/linux-serial/msg30732.html) but I'm not
> > sure if equivalent functionality exists in mainline kernel?
> >
> > Is there some kind of similar hardware already supported by mainline?
> > Using driver as a reference might be easier than starting from
> > scratch.
>
> Is it arm or x86 based tablet?

arm64, but CPU architecture really should not matter.

Best regards,
Pavel
--
People of Russia, stop Putin before his war on Ukraine escalates.
[unhandled content-type:application/pgp-signature]
\
 
 \ /
  Last update: 2022-09-21 19:18    [W:0.039 / U:0.572 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site