Messages in this thread | | | Date | Wed, 21 Sep 2022 19:17:07 +0200 | From | Pavel Machek <> | Subject | Re: 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] | |