Thanks - sorry I missed that earlier thread. But my second question remains - I would be interested in implementing this, but given the documentation I've been able to find, I doubt I would be getting far. Are there any other known resources relating to the Goodix controllers, esp. regarding stylus support? Best regards, Florian On 24.01.19 15:30, Bastien Nocera wrote: > On Wed, 2019-01-23 at 19:28 +0100, Florian Echtler wrote: >> Hello everyone, >> >> I've been testing a device with a Goodix 9110 touchscreen controller >> on Linux 4.18. After providing a suitable config file as firmware, >> the touchscreen works, but I would be interested in also adding >> active pen/stylus support. >> >> AFAICT the Android driver does support a stylus as a second input >> device, but I haven't been able to find any datasheet that explains >> the registers properly (just rather cryptic one-line comments). >> >> Does anyone have any pointers about the stylus support? I'd also be >> interested in details about the stylus hardware itself, e.g. does it >> use a fixed frequency? > > There's no stylus support in the driver, see the earlier thread: > https://www.spinics.net/lists/linux-input/msg59433.html > > Cheers > -- SENT FROM MY DEC VT50 TERMINAL
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