Last commits - broken touchscreen?

Nelson Castillo arhuaco at
Fri Oct 2 04:52:03 CEST 2009

On Thu, Oct 1, 2009 at 4:44 AM, Vasily Khoruzhick <anarsoul at> wrote:
> В сообщении от 1 октября 2009 11:10:40 автор Radek Polak написал:
>> Hi,
>> it seems that the last commits in andy-tracking broke touchscreen. After
>> few suspend/resume cycles the touchscreen stops working.
>> It was confirmed by Jim Morris and me on QtMoko v12 distribution, but
>> probably everybody will be affected.
>> Can i do something more about this? I can try to provide logs if needed.
>> Regards
>> Radek
> I'm pretty sure it's due bug in adc driver.
> ts driver request conversion from adc driver, in this moment machine goes into
> suspend, after resume ts driver still waits for response from adc driver, but
> adc driver will never respond, as there's client active, but hardware was not
> configured to perform conversion.

Vasily, this is indeed the case.

> I've fixed this bug in my patches for rx1950, so, Nelson, you can check it out
> and push fix into your kernel branch.

I sent the attached patch to andy-tracking. It's not far from
upstream. Will you send it?

Radek: I hope this fixes the bug. Please let us know if it doesn't. I
reproduced the bug and in my tests the patch fixed it.

-------------- next part --------------
A non-text attachment was scrubbed...
Name: fix-s3c-adc.patch
Type: text/x-diff
Size: 3613 bytes
Desc: not available
Url : 

More information about the openmoko-kernel mailing list