[M800] Touchscreen filters are not working

[morphis]

On 08.04.2009 15:38, Nelson Castillo wrote:
> On Wed, Apr 8, 2009 at 5:52 AM, morphis <ml at gravedo.de> wrote:
> (cut)
>> We first disabled all touchscreen filters and the manner was still
>> there, but it disappeared when we only disabling the group filter and
>> let all other filters there. Our current solution is not to use the
>> group filter.
> 
> Well, at least you can use a few of them :-)
> 
> median + mean should help.
> 
> Are you getting a lot of noise with no filters? With median + mean?
> 

Here is a sample output which I get while fetching every two seconds a
packet from /dev/input/touchscreen0:

root at eten-m800 ~ $ ./show-event /dev/input/touchscreen0
size of input_event: 16
will read 2 packets per second from /dev/input/touchscreen0 ...
type: 3 code: 0 value: 951
type: 3 code: 0 value: 951
type: 3 code: 0 value: 951
type: 3 code: 0 value: 918
type: 3 code: 0 value: 891    <-- Pressed the touchscreen
type: 3 code: 0 value: 832
type: 3 code: 0 value: 835
type: 3 code: 0 value: 409
type: 3 code: 0 value: 408
type: 3 code: 0 value: 951
type: 3 code: 0 value: 807
type: 3 code: 0 value: 818
type: 3 code: 0 value: 910
type: 3 code: 0 value: 897    <-- Pressed the touchscreen
type: 3 code: 0 value: 908
type: 3 code: 1 value: 963    <-- no more pressure on the touchscreen
type: 3 code: 0 value: 951
type: 3 code: 0 value: 951
type: 3 code: 0 value: 950
type: 3 code: 1 value: 961
type: 3 code: 1 value: 961
type: 3 code: 1 value: 961
type: 3 code: 1 value: 963
type: 3 code: 0 value: 951
type: 3 code: 0 value: 951
type: 3 code: 1 value: 963
type: 3 code: 1 value: 963
type: 3 code: 1 value: 963
type: 3 code: 1 value: 961
type: 3 code: 1 value: 961
type: 3 code: 1 value: 961
type: 3 code: 1 value: 963
type: 3 code: 1 value: 963
type: 3 code: 1 value: 963
type: 3 code: 1 value: 963
[...]