From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id D493EC433EF for ; Thu, 5 May 2022 08:32:27 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1349408AbiEEIgD (ORCPT ); Thu, 5 May 2022 04:36:03 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:47814 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1349333AbiEEIfq (ORCPT ); Thu, 5 May 2022 04:35:46 -0400 Received: from jabberwock.ucw.cz (jabberwock.ucw.cz [46.255.230.98]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id C325C45785; Thu, 5 May 2022 01:32:06 -0700 (PDT) Received: by jabberwock.ucw.cz (Postfix, from userid 1017) id 829D31C0BA6; Thu, 5 May 2022 10:32:05 +0200 (CEST) Date: Thu, 5 May 2022 10:32:05 +0200 From: Pavel Machek To: Manuel =?iso-8859-1?Q?Sch=F6nlaub?= Cc: Benjamin Tissoires , Filipe =?iso-8859-1?Q?La=EDns?= , Jiri Kosina , "open list:HID CORE LAYER" , lkml Subject: Re: [PATCH] HID: logitech-hidpp: support Color LED feature (8071). Message-ID: <20220505083205.GC14065@duo.ucw.cz> References: <275245e8048fa124055d9ff3d10ce6562294483a.camel@riseup.net> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="xo44VMWPx7vlQ2+2" Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.10.1 (2018-07-13) Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org --xo44VMWPx7vlQ2+2 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable Hi! > > > While I realize that there is e.g. ratbagd which supports a great dea= l of the > > > HIDPP features and should allow you to control LEDs, unfortunately fo= r my G305 > > > it does not support the LED (and as far as I remember my G403 does not > > > work at all with it). > > > > > > Then I figured that actually having the LEDs in kernel would allow le= d triggers > > > to work with them, so you could do fancy stuff like showing disk or C= PU activity > > > or free physical memory... and here we are now. > >=20 > > The one thing that concerns me with those gaming LEDs, is that there > > is much more than just color/intensity. > > Those LEDs have effects that you can enable (breathing, pulse, color > > changing, etc...) and I am not sure how much you are going to be able > > to sync with the simple LED class. > >=20 > Sure.=20 > I actually had thought a bit about that and would say that the concept > of breathing, pulse etc.. can be modeled quite well with hardware pattern= s.=20 Yes please. Note that many devices have different patterns with different limitations; we need to somehow solve that, anyway. Best regards, Pavel --=20 People of Russia, stop Putin before his war on Ukraine escalates. --xo44VMWPx7vlQ2+2 Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iF0EABECAB0WIQRPfPO7r0eAhk010v0w5/Bqldv68gUCYnOLhQAKCRAw5/Bqldv6 8s9OAJ9hrl4bE+uCfpaKAhOOviM0yd6o7QCfSuCvj5V/MlhrNr42n7gGfM8XYCI= =EUms -----END PGP SIGNATURE----- --xo44VMWPx7vlQ2+2--