From mboxrd@z Thu Jan 1 00:00:00 1970 From: Juanito Subject: Re: ALPS touchpad ot correctly recognized: GlidePoint vs DualPoint Date: Sat, 9 Sep 2017 20:21:50 +0200 Message-ID: References: <201709080848.53286@pali> <52f87b68-8a6b-1d9c-f341-1e488ff43441@posteo.net> <201709091036.06899@pali> <20170909181218.GA29107@dtor-ws> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit Return-path: Received: from mout02.posteo.de ([185.67.36.66]:53215 "EHLO mout02.posteo.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751384AbdIISWC (ORCPT ); Sat, 9 Sep 2017 14:22:02 -0400 Received: from submission (posteo.de [89.146.220.130]) by mout02.posteo.de (Postfix) with ESMTPS id 3B73520A0F for ; Sat, 9 Sep 2017 20:22:01 +0200 (CEST) In-Reply-To: <20170909181218.GA29107@dtor-ws> Content-Language: en-US Sender: linux-input-owner@vger.kernel.org List-Id: linux-input@vger.kernel.org To: Dmitry Torokhov , =?UTF-8?Q?Pali_Roh=c3=a1r?= Cc: "masaki.ota@jp.alps.com" , linux-input@vger.kernel.org, Paul Donohue On 09/09/2017 08:12 PM, Dmitry Torokhov wrote: > On Sat, Sep 09, 2017 at 10:36:06AM +0200, Pali Rohár wrote: >> On Saturday 09 September 2017 10:12:42 Juanito wrote: >>> Hello, >>> >>> On 09/08/2017 08:48 AM, Pali Rohár wrote: >>>> On Friday 08 September 2017 07:00:34 Juanito wrote: >>>>>> ThinkPad with ALPS? Should not be it Synaptic? Maybe >>>>>> miss-detection? >>>>> >>>>> Sorry, I forgot to mention this. The ThinkPad came with a clickpad >>>>> I **really** disliked, so I bought this on the Internet. >>>> >>>> So, here is a problem. ThinkPads works with Synaptic touchpads, not >>>> with ALPS. >>> >>> There definitely seems to be a problem here :) >>> >>> Do you mean that the alps code might not be detecting the trackpoint >>> because probably the red thingie works with synaptics? >>> >>> So could this be the situation: >>> ALPS driver: Hey touchpad! Do you have a trackstick? >>> ALPS touchpad: No, I don't. >>> AD: Ok! (and thinks 'I am going to have to ignore all trackstick >>> packets that might arrive') >>> >>> So the driver understands that there can't possibly be any buttons >>> because there is no trackstick? >> >> IIRC ALPS touchpad hardware itself does not work with non-ALPS >> trackpoint. >> >> Masaki, any comments? >> >>>>> If by trackstick you mean the red thingie, it is **not** working. >>>> >>>> Ok. And it is working with your patch? >>> >>> No, it isn't :( >> >> I expected... You just created franken-hardware. >> >> Looks like with your hack patch it is possible to make buttons working, >> but I suspect that trackstick would. >> >> Maybe Masaki can provide more information about this fact if we can do >> anything. >> >> Dmitry, what you as maintainer going to do with this problem? > > It really depends on Ota-san response. If ALPS needs a special version > of firmware flashed for proper trackstick identification, then I guess > Juanito will have to carry a local patch. I do not think we want to > complicate the driver any further for supporting such after-market > modification. > If this only happens in this after-market (or franken-hardware... hahaha), I'd totally understand if you didn't want to patch it upstream, although it would be nice for me :) > Does booting with psmouse.proto=imps makes trackstick work? > I am afraid I can't test it now as I don't have access to the laptop. I won't be able to test until two weeks. Will definitely do as soon as I can. > Thanks. > Thank **you** (Dmitry and everybody esle) for taking the time to look at this. Juanito