Re: вопрос по suspend/resume в goodix

[Hans de Goede <hdegoede@redhat.com>]

Hi,

On 12-12-2019 20:20, Dmitry Torokhov wrote:
> Hi Dmitry,
> 
> On Thu, Dec 12, 2019 at 06:34:46PM +0300, Dmitry Mastykin wrote:
>> Здравствуйте, Дмитрий.
>> Простите, что отвлекаю, если что - не отвечайте и в лучшем случае
>> пошлите в mail-list)
>> У меня есть планшет с x86, вариантом Debian с ядром 4.15 и
>> контроллером тач-скрина gt928.
> 
> What is the model of the tablet?
> 
>> После suspend/resume не всегда, но очень часто тачскрин перестает
>> работать и постоянно выводит:
>> [ 3276.729412] Goodix-TS i2c-GDIX1002:00: I2C write end_cmd error
>> [ 3276.770153] Goodix-TS i2c-GDIX1002:00: I2C transfer error: -121
> 
> When this happens, are these messages appear constantly, or only in
> response to actual touch? Can you still interact with the device?
> 
> Could you please send the full dmesg so we know more about the device.
> 
> Hans, Bastien, have you seen such issues with Goodix occasionally
> misbehaving on resume?

We have reports of the touchscreen no longer working after suspend/resume
on some GPD pocket devices, but not combined with these errors.

Regards,

Hans


> 
>> По i2cget/i2cset контроллер успешно отвечает.
> 
> The fact that you can talk to the controller like that is interesting.
> Just to confirm, does it return sane data, or garbage?
> 
> Thanks.
>