linux-kernel - Re: [PATCH 1/2] HID: hid-lg4ff add support for G27 LEDs

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [day] [month] [year] [list]

Message-ID: <alpine.LNX.2.00.1203130922110.18356@pobox.suse.cz>
Date:	Tue, 13 Mar 2012 09:23:53 +0100 (CET)
From:	Jiri Kosina <jkosina@...e.cz>
To:	simon@...gewell.org
Cc:	Mark Brown <broonie@...nsource.wolfsonmicro.com>,
	linux-input@...r.kernel.org, linux-kernel@...r.kernel.org,
	Michael Bauer <michael@...auer.org>,
	Michal Maly <madcatxster@...il.com>
Subject: Re: [PATCH 1/2] HID: hid-lg4ff add support for G27 LEDs

On Mon, 12 Mar 2012, simon@...gewell.org wrote:

> >> The LEDs on the G27 are very much more specific, mounted on the yoke of
> >> the gaming wheel.
> >
> >> Would this require the use/complexity of the LED subsystem?
> >
> > Well, it'd mean that applications that know how to drive LEDs will be
> > able to use the LEDs on this wheel with less per device knowledge which
> > seems like a useful thing and if someone wants to remap a LED to "new
> > mail" or whatever that'll be easier (nethack has the mailer daemon
> > deliver a scroll of mail!).
> 
> I'm not familiar with the LED subsystem, but my concerns would be that
> this would add a whole load of code to implement.

Not really, it's rather simple to use and as Mark said, it's a proper 
infrastructure to use here.

We already have HID drivers which are using this -- you can look at 
PicoLCD or Wiimote drivers and you'll see that it's indeed fairly simple.

> PS. I don't really care about email when screaming around Laguna Seca ;-)

:))

-- 
Jiri Kosina
SUSE Labs
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/