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<body><span class="vcard"><a class="email" href="mailto:peter.hutterer@who-t.net" title="Peter Hutterer <peter.hutterer@who-t.net>"> <span class="fn">Peter Hutterer</span></a>
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<a class="bz_bug_link
bz_status_ASSIGNED "
title="ASSIGNED - Can't manage acceleration profile on HP 255 G5 "SynPS/2 Synaptics TouchPad""
href="https://bugs.freedesktop.org/show_bug.cgi?id=99695">bug 99695</a>
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<th>What</th>
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<td>NEEDINFO
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<td>ASSIGNED
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<b><a class="bz_bug_link
bz_status_ASSIGNED "
title="ASSIGNED - Can't manage acceleration profile on HP 255 G5 "SynPS/2 Synaptics TouchPad""
href="https://bugs.freedesktop.org/show_bug.cgi?id=99695#c20">Comment # 20</a>
on <a class="bz_bug_link
bz_status_ASSIGNED "
title="ASSIGNED - Can't manage acceleration profile on HP 255 G5 "SynPS/2 Synaptics TouchPad""
href="https://bugs.freedesktop.org/show_bug.cgi?id=99695">bug 99695</a>
from <span class="vcard"><a class="email" href="mailto:peter.hutterer@who-t.net" title="Peter Hutterer <peter.hutterer@who-t.net>"> <span class="fn">Peter Hutterer</span></a>
</span></b>
<pre>still working on this. for movements less than 1mm i'm not surprised that the
speed is small, that's an intended feature to enhance precision.
There is also a hysteresis that can swallow the first 0.5mm of movement (to
avoid pointer jitter).
For the rest:
event13: touch movement 5.7mm, pixels 70.8, raw px 226.4, avg factor 0.3
for a <6mm movement you get a 70 pixel movement. That seems about alright
compared to what I have here (with the default 0.0 setting).
fwiw, the 'flat' acceleration profile would give you 226 pixels - clearly not
useful.
a factor of 0.4 should be a roughly 1:1 movement between the finger and the
pointer on the screen, is this correct? If that's not the case, do
different-length movements reflect this?</pre>
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