[M800] Touchscreen filters are not working
arhuaco at freaks-unidos.net
Wed Apr 8 18:16:33 CEST 2009
>> Are you getting a lot of noise with no filters? With median + mean?
> With no filters enabled we always have the situation, that the reported
> events are in the top left corner and they are reported with no pressure
> on the ts. How could I test it to get more information about the noise?
> Is there any test app?
Oh! Are you using tslib? I think you need this:
module pthres pmin=1
And you need to calibrate the TS. Perhaps this is the problem?
# cat /etc/pointercal
557 38667 -4654632 -51172 121 46965312 65536
This test application should help:
>>> I hope someone who is familiar with the new touchscreen filters can help us.
>> Where's the code? (Just to see what it looks like).
> Sorry I forgot to add the link. Here it is:
I noticed you're using an old version of the code. The configuration
was simplified. Latest versions:
(this was the last change / dirty patches with style fixes included...).
You might want to check mach-gta02.c also. But again, I think you have
to make the driver work before using the filters.
> Will try and report.
I didn't understand the report you sent. I think you could listen to
the events and show them as they are reported.
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