linux-kernel.vger.kernel.org archive mirror
 help / color / mirror / Atom feed
From: Dmitry Osipenko <digetx@gmail.com>
To: "Michał Mirosław" <mirq-linux@rere.qmqm.pl>
Cc: David Heidelberg <david@ixit.cz>,
	Dmitry Torokhov <dmitry.torokhov@gmail.com>,
	Henrik Rydberg <rydberg@bitmath.org>,
	James Chen <james.chen@emc.com.tw>,
	Johnny Chuang <johnny.chuang@emc.com.tw>,
	Rob Herring <robh+dt@kernel.org>,
	Scott Liu <scott.liu@emc.com.tw>,
	linux-input@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH v4 03/10] input: elants: remove unused axes
Date: Sun, 26 Apr 2020 20:45:14 +0300	[thread overview]
Message-ID: <8b39ab58-dfc2-323c-3b25-4e9023cf8f0d@gmail.com> (raw)
In-Reply-To: <20200426172954.GA15436@qmqm.qmqm.pl>

26.04.2020 20:29, Michał Mirosław пишет:
> On Sun, Apr 26, 2020 at 07:35:47PM +0300, Dmitry Osipenko wrote:
>> 26.04.2020 19:11, Michał Mirosław пишет:
>>> Driver only ever reports MT events and input_mt_init_slots() sets up
>>> emulated axes already.  Clear the capabilities not generated directly
>>> and move MT axes setup, so they are visible by input_mt_init_slots().
>>>
>>> Signed-off-by: Michał Mirosław <mirq-linux@rere.qmqm.pl>
>>> Reviewed-by: Dmitry Osipenko <digetx@gmail.com>
>>> Tested-by: Dmitry Osipenko <digetx@gmail.com>
>>> ---
>>> v4: reword commitmsg; reorder axis setup
>>> ---
>>
>> Legacy pointer emulation doesn't work using v4. I think it will be
>> better to drop this patch for now and add this hunk to the patch #4:
> 
> Have you tried it together with the next patch? It adds
> touchscreen_parse_properties() to initialize axes also from DT, and
> should be equivalent to the hunk you proposed.

Yes, the touchscreen_parse_properties() takes bool multitouch for the
argument, and thus, it needs to be applied to both MT/non-MT cases.

https://elixir.bootlin.com/linux/v5.7-rc2/source/drivers/input/touchscreen/of_touchscreen.c#L64

> [...]
>> Maybe input_mt_init_slots() could be changed to set up all the
>> properties that are needed for the legacy pointer, but I'm not 100% sure
>> because not very familiar with that code. Perhaps Dmitry Torokhov could
>> clarify?
> 
> The code of input_mt_init_slots() looks like it does initialize the
> properties needed. What does evtest return with and without the patches?

==== vanilla v4 (doesn't work) ====

Input driver version is 1.0.1
Input device ID: bus 0x18 vendor 0x0 product 0x0 version 0x0
Input device name: "Elan Touchscreen"
Supported events:
  Event type 0 (EV_SYN)
  Event type 1 (EV_KEY)
    Event code 330 (BTN_TOUCH)
  Event type 3 (EV_ABS)
    Event code 47 (ABS_MT_SLOT)
      Value      0
      Min        0
      Max        9
    Event code 48 (ABS_MT_TOUCH_MAJOR)
      Value      0
      Min        0
      Max      255
      Resolution       1
    Event code 53 (ABS_MT_POSITION_X)
      Value      0
      Min        0
      Max     1279
    Event code 54 (ABS_MT_POSITION_Y)
      Value      0
      Min        0
      Max     2111
    Event code 55 (ABS_MT_TOOL_TYPE)
      Value      0
      Min        0
      Max        2
    Event code 57 (ABS_MT_TRACKING_ID)
      Value      0
      Min        0
      Max    65535
    Event code 58 (ABS_MT_PRESSURE)
      Value      0
      Min        0
      Max      255

Event: time 1587922487.077439, type 3 (EV_ABS), code 57
(ABS_MT_TRACKING_ID), value 64
Event: time 1587922487.077439, type 3 (EV_ABS), code 53
(ABS_MT_POSITION_X), value 855
Event: time 1587922487.077439, type 3 (EV_ABS), code 54
(ABS_MT_POSITION_Y), value 893
Event: time 1587922487.077439, type 3 (EV_ABS), code 58
(ABS_MT_PRESSURE), value 47
Event: time 1587922487.077439, type 1 (EV_KEY), code 330 (BTN_TOUCH),
value 1
Event: time 1587922487.077439, -------------- SYN_REPORT ------------
Event: time 1587922487.089144, type 3 (EV_ABS), code 54
(ABS_MT_POSITION_Y), value 899
Event: time 1587922487.089144, type 3 (EV_ABS), code 58
(ABS_MT_PRESSURE), value 124
Event: time 1587922487.089144, type 3 (EV_ABS), code 48
(ABS_MT_TOUCH_MAJOR), value 11
Event: time 1587922487.089144, -------------- SYN_REPORT ------------
Event: time 1587922487.100292, type 3 (EV_ABS), code 53
(ABS_MT_POSITION_X), value 854
Event: time 1587922487.100292, type 3 (EV_ABS), code 54
(ABS_MT_POSITION_Y), value 911
Event: time 1587922487.100292, type 3 (EV_ABS), code 58
(ABS_MT_PRESSURE), value 166
Event: time 1587922487.100292, -------------- SYN_REPORT ------------
Event: time 1587922487.109238, type 3 (EV_ABS), code 53
(ABS_MT_POSITION_X), value 851
Event: time 1587922487.109238, type 3 (EV_ABS), code 54
(ABS_MT_POSITION_Y), value 922
Event: time 1587922487.109238, type 3 (EV_ABS), code 58
(ABS_MT_PRESSURE), value 180
Event: time 1587922487.109238, -------------- SYN_REPORT ------------
Event: time 1587922487.117997, type 3 (EV_ABS), code 53
(ABS_MT_POSITION_X), value 847
Event: time 1587922487.117997, type 3 (EV_ABS), code 54
(ABS_MT_POSITION_Y), value 936
Event: time 1587922487.117997, type 3 (EV_ABS), code 58
(ABS_MT_PRESSURE), value 187
Event: time 1587922487.117997, -------------- SYN_REPORT ------------
Event: time 1587922487.126925, type 3 (EV_ABS), code 53
(ABS_MT_POSITION_X), value 841
Event: time 1587922487.126925, type 3 (EV_ABS), code 54
(ABS_MT_POSITION_Y), value 947
Event: time 1587922487.126925, type 3 (EV_ABS), code 58
(ABS_MT_PRESSURE), value 199
Event: time 1587922487.126925, -------------- SYN_REPORT ------------
Event: time 1587922487.139066, type 3 (EV_ABS), code 53
(ABS_MT_POSITION_X), value 836
Event: time 1587922487.139066, type 3 (EV_ABS), code 54
(ABS_MT_POSITION_Y), value 958
Event: time 1587922487.139066, type 3 (EV_ABS), code 58
(ABS_MT_PRESSURE), value 204
Event: time 1587922487.139066, -------------- SYN_REPORT ------------
Event: time 1587922487.150355, type 3 (EV_ABS), code 53
(ABS_MT_POSITION_X), value 829
Event: time 1587922487.150355, type 3 (EV_ABS), code 54
(ABS_MT_POSITION_Y), value 969
Event: time 1587922487.150355, type 3 (EV_ABS), code 58
(ABS_MT_PRESSURE), value 207
Event: time 1587922487.150355, -------------- SYN_REPORT ------------
Event: time 1587922487.172261, type 3 (EV_ABS), code 53
(ABS_MT_POSITION_X), value 826
Event: time 1587922487.172261, type 3 (EV_ABS), code 54
(ABS_MT_POSITION_Y), value 977
Event: time 1587922487.172261, type 3 (EV_ABS), code 58
(ABS_MT_PRESSURE), value 183
Event: time 1587922487.172261, -------------- SYN_REPORT ------------
Event: time 1587922487.205326, type 3 (EV_ABS), code 57
(ABS_MT_TRACKING_ID), value -1
Event: time 1587922487.205326, type 1 (EV_KEY), code 330 (BTN_TOUCH),
value 0
Event: time 1587922487.205326, -------------- SYN_REPORT ------------


==== v4 with reverted patch #3 + my hunk applied (works) ====

Input driver version is 1.0.1
Input device ID: bus 0x18 vendor 0x0 product 0x0 version 0x0
Input device name: "Elan Touchscreen"
Supported events:
  Event type 0 (EV_SYN)
  Event type 1 (EV_KEY)
    Event code 330 (BTN_TOUCH)
  Event type 3 (EV_ABS)
    Event code 0 (ABS_X)
      Value      0
      Min        0
      Max     1279
    Event code 1 (ABS_Y)
      Value      0
      Min        0
      Max     2111
    Event code 24 (ABS_PRESSURE)
      Value      0
      Min        0
      Max      255
    Event code 47 (ABS_MT_SLOT)
      Value      0
      Min        0
      Max        9
    Event code 48 (ABS_MT_TOUCH_MAJOR)
      Value      0
      Min        0
      Max      255
      Resolution       1
    Event code 53 (ABS_MT_POSITION_X)
      Value      0
      Min        0
      Max     1279
    Event code 54 (ABS_MT_POSITION_Y)
      Value      0
      Min        0
      Max     2111
    Event code 55 (ABS_MT_TOOL_TYPE)
      Value      0
      Min        0
      Max        2
    Event code 57 (ABS_MT_TRACKING_ID)
      Value      0
      Min        0
      Max    65535
    Event code 58 (ABS_MT_PRESSURE)
      Value      0
      Min        0
      Max      255
Testing ... (interrupt to exit)
Event: time 1587922846.335151, type 3 (EV_ABS), code 57
(ABS_MT_TRACKING_ID), value 0
Event: time 1587922846.335151, type 3 (EV_ABS), code 53
(ABS_MT_POSITION_X), value 565
Event: time 1587922846.335151, type 3 (EV_ABS), code 54
(ABS_MT_POSITION_Y), value 423
Event: time 1587922846.335151, type 3 (EV_ABS), code 58
(ABS_MT_PRESSURE), value 39
Event: time 1587922846.335151, type 3 (EV_ABS), code 48
(ABS_MT_TOUCH_MAJOR), value 10
Event: time 1587922846.335151, type 1 (EV_KEY), code 330 (BTN_TOUCH),
value 1
Event: time 1587922846.335151, type 3 (EV_ABS), code 0 (ABS_X), value 565
Event: time 1587922846.335151, type 3 (EV_ABS), code 1 (ABS_Y), value 423
Event: time 1587922846.335151, type 3 (EV_ABS), code 24 (ABS_PRESSURE),
value 39
Event: time 1587922846.335151, -------------- SYN_REPORT ------------
Event: time 1587922846.464426, type 3 (EV_ABS), code 57
(ABS_MT_TRACKING_ID), value -1
Event: time 1587922846.464426, type 1 (EV_KEY), code 330 (BTN_TOUCH),
value 0
Event: time 1587922846.464426, type 3 (EV_ABS), code 24 (ABS_PRESSURE),
value 0
Event: time 1587922846.464426, -------------- SYN_REPORT ------------


  reply	other threads:[~2020-04-26 17:45 UTC|newest]

Thread overview: 21+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-04-26 16:11 [PATCH v4 00/10] input: elants: Support Asus TF300T touchscreen Michał Mirosław
2020-04-26 16:11 ` [PATCH v4 02/10] input: elants: support old touch report format Michał Mirosław
2020-04-26 16:11 ` [PATCH v4 01/10] input: elants: document some registers and values Michał Mirosław
2020-04-26 16:11 ` [PATCH v4 04/10] input: elants: override touchscreen info with DT properties Michał Mirosław
2020-04-26 16:11 ` [PATCH v4 03/10] input: elants: remove unused axes Michał Mirosław
2020-04-26 16:35   ` Dmitry Osipenko
2020-04-26 17:29     ` Michał Mirosław
2020-04-26 17:45       ` Dmitry Osipenko [this message]
2020-04-26 17:58         ` Dmitry Osipenko
2020-04-26 18:15         ` Michał Mirosław
2020-04-26 16:11 ` [PATCH v4 06/10] input: elants: read touchscreen size for EKTF3624 Michał Mirosław
2020-04-26 16:11 ` [PATCH v4 05/10] input: elants: refactor elants_i2c_execute_command() Michał Mirosław
2020-04-26 16:24   ` Dmitry Osipenko
2020-04-26 17:40     ` Michał Mirosław
2020-04-26 16:11 ` [PATCH v4 07/10] input: elants: support 0x66 reply opcode for reporting touches Michał Mirosław
2020-04-26 16:11 ` [PATCH v4 08/10] dt-bindings: input: elants-i2c: Document common touchscreen properties Michał Mirosław
2020-04-26 16:11 ` [PATCH v4 09/10] dt-bindings: input: elants-i2c: Document eKTF3624 Michał Mirosław
2020-04-26 16:11 ` [PATCH v4 10/10] dt-bindings: input: touchscreen: elants_i2c: convert to YAML Michał Mirosław
2020-04-27 21:14   ` Rob Herring
2020-04-28 14:08     ` Michał Mirosław
2020-04-29  1:38       ` Dmitry Osipenko

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=8b39ab58-dfc2-323c-3b25-4e9023cf8f0d@gmail.com \
    --to=digetx@gmail.com \
    --cc=david@ixit.cz \
    --cc=dmitry.torokhov@gmail.com \
    --cc=james.chen@emc.com.tw \
    --cc=johnny.chuang@emc.com.tw \
    --cc=linux-input@vger.kernel.org \
    --cc=linux-kernel@vger.kernel.org \
    --cc=mirq-linux@rere.qmqm.pl \
    --cc=robh+dt@kernel.org \
    --cc=rydberg@bitmath.org \
    --cc=scott.liu@emc.com.tw \
    --subject='Re: [PATCH v4 03/10] input: elants: remove unused axes' \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link

This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).