dmesg
[ 1431.007315] usbcore: registered new interface driver usbserial
[ 1431.007323] usbcore: registered new interface driver usbserial_generic
[ 1431.007330] usbserial: USB Serial support registered for generic
[ 1431.008619] usbcore: registered new interface driver ch341
[ 1431.008629] usbserial: USB Serial support registered for ch341-uart

- its very nice that Serial support is registered, but not attached for
example: to the BUS 003 Device 001: ID 1A86:.... (and this is important)

ls /dev/tty*
/dev/tty        /dev/ttyS22  /dev/tty0   /dev/tty24  /dev/tty4   /dev/tty55
/dev/ttyprintk  /dev/ttyS23  /dev/tty1   /dev/tty25  /dev/tty40  /dev/tty56
/dev/ttyS0      /dev/ttyS24  /dev/tty10  /dev/tty26  /dev/tty41  /dev/tty57
/dev/ttyS1      /dev/ttyS25  /dev/tty11  /dev/tty27  /dev/tty42  /dev/tty58
.....and so on. but nothing with ttyUSB0, ttyUSB1, or ttyACM0, ttyACM1.

Please Is here some competent person to FIX this ISUE ?


Thank you

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https://bugs.launchpad.net/bugs/1527491

Title:
  QinHeng Electronics HL-340 USB-Serial adapter

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