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 X-Spam-Level: X-Spam-Status: No, score=-0.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id DAEF0C352A2 for ; Thu, 6 Feb 2020 09:14:24 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id A5CAC21741 for ; Thu, 6 Feb 2020 09:14:24 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728276AbgBFJOX (ORCPT ); Thu, 6 Feb 2020 04:14:23 -0500 Received: from relay12.mail.gandi.net ([217.70.178.232]:60913 "EHLO relay12.mail.gandi.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727509AbgBFJOX (ORCPT ); Thu, 6 Feb 2020 04:14:23 -0500 Received: from classic (mon69-7-83-155-44-161.fbx.proxad.net [83.155.44.161]) (Authenticated sender: hadess@hadess.net) by relay12.mail.gandi.net (Postfix) with ESMTPSA id 46D46200003; Thu, 6 Feb 2020 09:14:18 +0000 (UTC) Message-ID: <6ed9447de70d49289ded71751e57923d0c4ab3b4.camel@hadess.net> Subject: Re: [PATCH] HID: Sony: Add support for Gasia controllers From: Bastien Nocera To: Roderick Colenbrander , Martyn Welch Cc: Jiri Kosina , Benjamin Tissoires , linux-input , lkml , Conn O'Griofa , "Colenbrander, Roelof" Date: Thu, 06 Feb 2020 10:14:17 +0100 In-Reply-To: References: <20200126194513.6359-1-martyn@welchs.me.uk> Content-Type: text/plain; charset="UTF-8" User-Agent: Evolution 3.34.3 (3.34.3-1.fc31) MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, 2020-01-28 at 22:22 -0800, Roderick Colenbrander wrote: > As you can see this creates an awkward situation. I'm sure there > other > such devices as well e.g. counterfeit Logitech keyboards, USB serial > adapters and other periperhals with similar challenges. In an ideal > world the support would live in another driver, but since in case of > this "fake" PS3 controller it "share" our product / vendor ids it is > tricky. At this point there is not a strong enough case yet to > augment > the "hid-quirks" to do so, but perhaps if it became a serious issue > (e.g. for newer controllers) maybe we need to think of something. I'm pretty certain that the only reason why those use "fake" VID/PID combinations is because that's the only thing the consoles will accept. That's par for the course when you try to close off your ecosystem that those that try to enter it will use the means at their disposal to do that.