[Gta04-owner] AUX Button

[Gerhard Rieger]

On 2013-04-06 19:30, Dr. H. Nikolaus Schaller wrote:
> 
> Am 06.04.2013 um 19:07 schrieb Gerhard Rieger:
> 
>> Hi,
>>
>> I recently migrated to gta04. The AUX Button had not worked on gta02
>> since some months (pressing it had no effect), and the same is still
>> true with gta04. I suspect that - once pressed - the button does not
>> return to its idle position. LEDs are working fine.
>>
>> How can I inquire the button state from HW validation or QtMoko?
> 
> 2.6-kernel hwvalidation:
> 
> 	http://projects.goldelico.com/p/gta04-kernel/page/Devices-Overview/#wikititle_8

My Debian Wheezy in NAND of a group tour device Dec.2012 does not have
/sys/devices/virtual/gpio/gpio7/ (many others with different numbers though)

> 3.7 kernel: 
> 
> 	evtest /dev/input/aux 

yes that works

>> What mechanism should bring the button back after pressing?
> 
> The button part sitting on the PCB has a built-in spring with some small force.
> 
> If the button is stuck this means that the plastic case has more friction than
> the button's spring force.
> 
> Please check if it works if you remove the display cover.
> 
> If yes, you can try to scratch a little off the plastic parts of the transparent
> AUX button part and/or the black plastics. Until it can be moved.
> 
> Hope this helps.

Ah yes, forcing the guitar pick into the seam near the button releases
it - thanks for your help!!

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