linux-kernel - Re: [PATCH 2/2] Disable touchpad on firmware level while not in use

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Message-ID: <9q411092-1170-qr2r-27or-96594p19qrqo@xreary.bet>
Date: Thu, 24 Apr 2025 11:20:22 +0200 (CEST)
From: Jiri Kosina <jikos@...nel.org>
To: Werner Sembach <wse@...edocomputers.com>
cc: Benjamin Tissoires <bentiss@...nel.org>, linux-input@...r.kernel.org, 
    linux-kernel@...r.kernel.org
Subject: Re: [PATCH 2/2] Disable touchpad on firmware level while not in
 use

On Tue, 4 Mar 2025, Werner Sembach wrote:

> > Using the new on_hid_hw_open and on_hid_hw_close functions to disable the
> > touchpad on firmware level while not being in use.
> >
> > This safes some battery and triggers touchpad-disabled-leds hardwired to
> > the touchpads firmware, that exist for example on some TongFang barebones.
> >
> > For a lengthy discussion with all the details see
> > https://gitlab.freedesktop.org/libinput/libinput/-/issues/558
> 
> Any comments if this is a good idea or not?

Sorry for the delay.

To me this looks like generally a good idea; Benjamin, any comments on the 
hid-mt part?

BTW you'd need to adjust the Subject line of the patches to conform to the 
subsystem style (i.e. HID: core: ....)

Thanks,

-- 
Jiri Kosina
SUSE Labs