From mboxrd@z Thu Jan 1 00:00:00 1970 From: Pavel Machek Subject: Re: [Letux-kernel] [PATCH v9 1/8] drivers:input:tsc2007: add new common binding names, pre-calibration, flipping and rotation Date: Mon, 20 Feb 2017 20:32:28 +0100 Message-ID: <20170220193228.GB23745@amd> References: <20170219141715.GA7159@amd> <05F3816F-46E6-4BC2-9E2E-F20E645F7197@goldelico.com> <20170219171518.GA12833@amd> <20170219190547.GA17292@amd> <20170219205708.GA9641@amd> <20170219232918.53801560@aktux> <20170219223949.GA2470@amd> Mime-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="E39vaYmALEf/7YXx" Return-path: Content-Disposition: inline In-Reply-To: Sender: linux-kernel-owner@vger.kernel.org To: "H. Nikolaus Schaller" Cc: Andreas Kemnade , Mark Rutland , Andrey Gelman , Michel Verlaan , Nick Dyer , Tony Lindgren , linux-kernel@vger.kernel.org, Benjamin Tissoires , linux-omap@vger.kernel.org, Russell King , Aaro Koskinen , Javier Martinez Canillas , Igor Grinberg , Hans Verkuil , linux-input@vger.kernel.org, devicetree@vger.kernel.org, Pali =?iso-8859-1?Q?Roh=E1r?= , Arnd Bergmann , Eric Engestrom , Hans de Goede List-Id: linux-input@vger.kernel.org --E39vaYmALEf/7YXx Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable Hi! > > But if you have userspace that depends on touchscreen to be > > calibrated... that _is_ wrong. >=20 > User-space people and real users have the opposite opinion. They > prefer if a touch is plug&play. I.e. without need for calibration. Some people prefer to calibrate their touchscreens; because of per-device variations, that gives better precision. You can pass default calibration data from device tree to kernel to userland. But you can not force people to use that calibration. Thanks, Pavel --=20 (english) http://www.livejournal.com/~pavelmachek (cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blo= g.html --E39vaYmALEf/7YXx Content-Type: application/pgp-signature; name="signature.asc" Content-Description: Digital signature -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iEYEARECAAYFAlirREwACgkQMOfwapXb+vL9WACgv4QUgsdFRlmmfcDNHeF6zy+p 2ZUAmwb6kpz2iVvbh5rIXETQpOoOaJc5 =heiN -----END PGP SIGNATURE----- --E39vaYmALEf/7YXx--