[OE-core] [oe-core 1/4] qt4-embedded: remove dependency on tslib and use std. linux input

[Koen Kooi]

Op 12 okt. 2011, om 20:34 heeft Simon Busch het volgende geschreven:

> On 12.10.2011 20:14, Koen Kooi wrote:
>> 
>> 
>> Op 12 okt. 2011 om 20:10 heeft Simon Busch <morphis at gravedo.de> het volgende geschreven:
>> 
>>> On 12.10.2011 10:02, Eric Bénard wrote:
>>>> Hi,
>>>> 
>>>> Le 12/10/2011 09:45, Martin Jansa a écrit :
>>>>> From: Simon Busch<morphis at gravedo.de>
>>>>> 
>>>>> In most cases we don't need tslib in std. configuration as touchscreen
>>>>> access in most
>>>>> devices today is done with linux input interface. If some specific
>>>>> machine has a need for
>>>>> tslib support it should add the dependency in it's machine layer again
>>>>> and modify the
>>>>> profile script accordingly.
>>>>> 
>>>> When using a resistive touchscreen, tslib is a common solution to handle
>>>> calibration and raw value processing : do you think this is a good thing
>>>> to remove this ?
>>> 
>>> Thats up to the environment you are using qt4-embedded in. In my case
>>> the setup is a little bit more complicated. We're using tslib but not
>>> directly in qt4-embedded (we can get rid of tslib completely but time is
>>> missing).
>>> 
>>> I removed the dependency from qt4-embedded as qt4-embedded in oe-core
>>> should be the general thing used in all environments and therefore
>>> should be only a minimal setup with minimal dependencies.
>> 
>> No, it should work in most cases, breaking qt:e like is not acceptable.
> 
> What is breaking qt:e in this case? For me it's just a feature reduction
> and not a break (as qt:e still works fine with the linux input interface).

When your TS is suddenly uncalibrated and jittery, it's a breakage, not a feature reduction.