On Thu, 2019-12-12 at 11:20 -0800, 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? Good thing that Hans seems to have a handle on that, because this is outside of my realm of knowledge (and I don't have easy access to a device with a Goodix touchscreen anymore). Cheers > > 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. >
