On Wed, Dec 11, 2024 at 10:35:44AM +0100, Johan Hovold wrote: > On Sun, Dec 08, 2024 at 02:11:15AM -0600, Blake LaFleur wrote: > > Adds a PID for the CH9102 chipset that can be found in some cheap ESP > > development boards. > > > > Example: LILYGO T-Display (and its S3 variant) > > https://lilygo.cc/products/lilygo%C2%AE-ttgo-t-display-1-14-inch-lcd-esp32-control-board > > > > After patching the driver to include idProduct=0x55d4 the devices work > > as expected. > > Thanks for the patch. This is the first time I hear of CH9102. > > Are there any errors or messages at all in the logs when you use this > device or does it appear to be perfectly compatible with the older > models? For the record, Blake reported off list that this device is in fact a CDC-ACM device. There is a vendor driver here: https://github.com/WCHSoftGroup/ch343ser_linux Johan