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doc: debugging touchpad pressure/size ranges is interactive

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Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>
This commit is contained in:
Peter Hutterer 2018-04-09 10:51:40 +10:00
parent 1531c9dc88
commit 6964047a67
1 changed files with 11 additions and 1 deletions
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12
doc/touchpad-pressure.dox
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@ -89,12 +89,17 @@ narrow down on the best values for your device, specify the 'logically down'
and 'logically up' pressure thresholds with the ```--touch-thresholds``
argument:
<pre>
$ sudo libinput measure touchpad-pressure --touch-thresholds=10:8
$ sudo libinput measure touchpad-pressure --touch-thresholds=10:8 --palm-threshold=20
</pre>
Interact with the touchpad and check if the output of this tool matches your
expectations.
@note **This is an interactive process. You will need to re-run the
tool with varying thresholds until you find the right range for your
touchpad. Attaching output logs to a bug will not help, only you with access
to the hardware can figure out the correct ranges.**
Once the thresholds are decided on (e.g. 10 and 8), they can be enabled with
the following hwdb file:
@ -174,6 +179,11 @@ arguments as in the example above.
Interact with the touchpad and check if the output of this tool matches your
expectations.
@note **This is an interactive process. You will need to re-run the
tool with varying thresholds until you find the right range for your
touchpad. Attaching output logs to a bug will not help, only you with access
to the hardware can figure out the correct ranges.**
Once the thresholds are decided on (e.g. 10 and 8), they can be enabled with
the following hwdb file: