From mboxrd@z Thu Jan 1 00:00:00 1970 From: Subject: RE: [PATCH] HID: input: enable Totem on the Dell Canvas 27 Date: Thu, 16 Nov 2017 01:26:31 +0000 Message-ID: <7b055fc2b544421f9981f6450041df62@ausx13mpc124.AMER.DELL.COM> References: <20171110102635.325-1-benjamin.tissoires@redhat.com> <20171114085043.GA29518@jelly> <20171114182610.cfqsnwj7lu2by7pu@dtor-ws> <20171115125326.GF403@mail.corp.redhat.com> <7d0ebb0aa5c74504ab43611fffe27ba6@ausx13mpc120.AMER.DELL.COM> <20171116010118.GA667@jelly> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable Return-path: In-Reply-To: <20171116010118.GA667@jelly> Content-Language: en-US Sender: linux-kernel-owner@vger.kernel.org To: peter.hutterer@who-t.net Cc: benjamin.tissoires@redhat.com, dmitry.torokhov@gmail.com, jikos@kernel.org, linux-input@vger.kernel.org, linux-kernel@vger.kernel.org List-Id: linux-input@vger.kernel.org > > > I had a chat with Peter this morning. TL;DR is I'll need to rework on > > > this more heavily to provide the final version with MT axes, and skip > > > the single device implementation. I have no ideas if the Dell Canvas > > > can report more than one totem, but the report descriptor would say s= o, > > > so we better have a proper implementation instead of having one for > > > single device capable and one for multiple devices. > > > > The Canvas can only support one large totem at a time. >=20 > that's the current version but I doubt this will remain so for the upcomi= ng > years. We can support one totem through the MT protocol but it'll be hard= to > support multiple totems through the single touch protocol. So better safe > than sorry. >=20 As I'm told the limitation is a function of what Windows 10 supports. =20