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Re: v4.1 to v4.7: regression in tsc2005 driver

From Dmitry Torokhov <dmitry.torokhov@gmail.com>
Newsgroups linux.kernel
Subject Re: v4.1 to v4.7: regression in tsc2005 driver
Date 2016-07-22 03:00 +0200
Message-ID <rXwYO-6Mu-9@gated-at.bofh.it> (permalink)
References (6 earlier) <rX7xn-6RW-1@gated-at.bofh.it> <rXfOh-3JM-1@gated-at.bofh.it> <rXfXX-3QS-9@gated-at.bofh.it> <rXhZL-57r-3@gated-at.bofh.it> <rXwm5-6uf-1@gated-at.bofh.it>
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On Thu, Jul 21, 2016 at 5:10 PM, Peter Hutterer
<peter.hutterer@who-t.net> wrote:
> On Thu, Jul 21, 2016 at 10:54:21AM +0200, Pavel Machek wrote:
>> Should we have calibration info in the device tree, with kernel
>> passing it to the x?
>>
>> Should kernel somehow do the calibration itself?
>
> if the kernel knows about the calibration it would make more sense to just
> do it in the kernel directly.

Historically we relied on userspace to perform
calibration/transformation. Lately we've been introducing trivial
transformations (inversion and axes swapping) and we allow plumbing
this though DT; the rest I think is still better done in userspace
(where you can do floating point, if desired).

> but for anything even remotely run-time or
> user-configured the xorg.conf snippet is the best solution.

Thanks.

-- 
Dmitry

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Thread

v4.1 to v4.7: regression in tsc2005 driver Pavel Machek <pavel@ucw.cz> - 2016-07-17 20:00 +0200
  Re: v4.1 to v4.7: regression in tsc2005 driver Michael Welling <mwelling@ieee.org> - 2016-07-17 20:30 +0200
    Re: v4.1 to v4.7: regression in tsc2005 driver Pavel Machek <pavel@ucw.cz> - 2016-07-17 20:50 +0200
      Re: v4.1 to v4.7: regression in tsc2005 driver Michael Welling <mwelling@ieee.org> - 2016-07-17 21:00 +0200
        Re: v4.1 to v4.7: regression in tsc2005 driver Pavel Machek <pavel@ucw.cz> - 2016-07-17 22:10 +0200
          Re: v4.1 to v4.7: regression in tsc2005 driver Michael Welling <mwelling@ieee.org> - 2016-07-18 01:00 +0200
            Re: v4.1 to v4.7: regression in tsc2005 driver Dmitry Torokhov <dmitry.torokhov@gmail.com> - 2016-07-20 02:00 +0200
              Re: v4.1 to v4.7: regression in tsc2005 driver Michael Welling <mwelling@ieee.org> - 2016-07-20 02:40 +0200
                Re: v4.1 to v4.7: regression in tsc2005 driver Dmitry Torokhov <dmitry.torokhov@gmail.com> - 2016-07-20 03:00 +0200
                Re: v4.1 to v4.7: regression in tsc2005 driver Michael Welling <mwelling@ieee.org> - 2016-07-20 03:40 +0200
                Re: v4.1 to v4.7: regression in tsc2005 driver Dmitry Torokhov <dmitry.torokhov@gmail.com> - 2016-07-20 03:50 +0200
                Re: v4.1 to v4.7: regression in tsc2005 driver Michael Welling <mwelling@ieee.org> - 2016-07-20 04:10 +0200
                [PATCH] Input: tsc200x - Report proper input_dev name Michael Welling <mwelling@ieee.org> - 2016-07-20 06:00 +0200
                Re: [PATCH] Input: tsc200x - Report proper input_dev name Pavel Machek <pavel@ucw.cz> - 2016-07-20 08:40 +0200
                Re: [PATCH] Input: tsc200x - Report proper input_dev name Pavel Machek <pavel@ucw.cz> - 2016-07-20 09:00 +0200
                Re: [PATCH] Input: tsc200x - Report proper input_dev name Michael Welling <mwelling@ieee.org> - 2016-07-20 09:10 +0200
                Re: [PATCH] Input: tsc200x - Report proper input_dev name Pavel Machek <pavel@ucw.cz> - 2016-07-20 09:50 +0200
                Re: [PATCH] Input: tsc200x - Report proper input_dev name Dmitry Torokhov <dmitry.torokhov@gmail.com> - 2016-07-20 18:50 +0200
                Re: [PATCH] Input: tsc200x - Report proper input_dev name Pali Rohár <pali.rohar@gmail.com> - 2016-07-20 19:00 +0200
                Re: [PATCH] Input: tsc200x - Report proper input_dev name Dmitry Torokhov <dmitry.torokhov@gmail.com> - 2016-07-20 19:10 +0200
                Re: [PATCH] Input: tsc200x - Report proper input_dev name Dmitry Torokhov <dmitry.torokhov@gmail.com> - 2016-07-20 19:20 +0200
                Re: [PATCH] Input: tsc200x - Report proper input_dev name Pavel Machek <pavel@ucw.cz> - 2016-07-20 22:30 +0200
                Re: [PATCH] Input: tsc200x - Report proper input_dev name Pali Rohár <pali.rohar@gmail.com> - 2016-07-20 22:40 +0200
                Re: [PATCH] Input: tsc200x - Report proper input_dev name Michael Welling <mwelling@ieee.org> - 2016-07-20 09:00 +0200
                Re: v4.1 to v4.7: regression in tsc2005 driver Pali Rohár <pali.rohar@gmail.com> - 2016-07-20 18:40 +0200
                Re: v4.1 to v4.7: regression in tsc2005 driver Aaro Koskinen <aaro.koskinen@iki.fi> - 2016-07-20 03:30 +0200
                Re: v4.1 to v4.7: regression in tsc2005 driver Michael Welling <mwelling@ieee.org> - 2016-07-20 04:20 +0200
              Re: v4.1 to v4.7: regression in tsc2005 driver Pavel Machek <pavel@ucw.cz> - 2016-07-20 08:30 +0200
                Re: v4.1 to v4.7: regression in tsc2005 driver Dmitry Torokhov <dmitry.torokhov@gmail.com> - 2016-07-20 18:30 +0200
                Re: v4.1 to v4.7: regression in tsc2005 driver Pavel Machek <pavel@ucw.cz> - 2016-07-20 22:30 +0200
                Re: v4.1 to v4.7: regression in tsc2005 driver Peter Hutterer <peter.hutterer@who-t.net> - 2016-07-20 23:50 +0200
                Re: v4.1 to v4.7: regression in tsc2005 driver Dmitry Torokhov <dmitry.torokhov@gmail.com> - 2016-07-21 00:30 +0200
                Re: v4.1 to v4.7: regression in tsc2005 driver Peter Hutterer <peter.hutterer@who-t.net> - 2016-07-21 01:00 +0200
                Re: v4.1 to v4.7: regression in tsc2005 driver Pavel Machek <pavel@ucw.cz> - 2016-07-21 08:40 +0200
                Re: v4.1 to v4.7: regression in tsc2005 driver Peter Hutterer <peter.hutterer@who-t.net> - 2016-07-21 08:50 +0200
                Re: v4.1 to v4.7: regression in tsc2005 driver Pavel Machek <pavel@ucw.cz> - 2016-07-21 11:00 +0200
                Re: v4.1 to v4.7: regression in tsc2005 driver Pali Rohár <pali.rohar@gmail.com> - 2016-07-21 11:10 +0200
                Re: v4.1 to v4.7: regression in tsc2005 driver Peter Hutterer <peter.hutterer@who-t.net> - 2016-07-22 02:20 +0200
                Re: v4.1 to v4.7: regression in tsc2005 driver Pali Rohár <pali.rohar@gmail.com> - 2016-07-25 17:00 +0200
                Re: v4.1 to v4.7: regression in tsc2005 driver Peter Hutterer <peter.hutterer@who-t.net> - 2016-07-22 02:20 +0200
                Re: v4.1 to v4.7: regression in tsc2005 driver Dmitry Torokhov <dmitry.torokhov@gmail.com> - 2016-07-22 03:00 +0200
                Re: v4.1 to v4.7: regression in tsc2005 driver Pali Rohár <pali.rohar@gmail.com> - 2016-07-25 17:00 +0200

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