[systemd-devel] udev rules for MCS7715 USB-attached parallel port
Lennart Poettering
lennart at poettering.net
Mon Feb 22 14:15:57 UTC 2016
On Sun, 21.02.16 15:26, Alex Henrie (alexhenrie24 at gmail.com) wrote:
> Hi,
>
> I recently bought an MCS7715 USB-attached parallel port,[1] but there
> seem to be a couple of problems using it with Linux:
>
> 1. The lp, parport, and parport_pc kernel modules are not loaded when
> the device is plugged in.
AFAIK parport_pc is the driver for old built-in parallel ports, it
it not used f you have a USB paralell port adapter.
> 2. After manually loading the kernel modules, /dev/lp0 is not deleted
> when the device is unplugged.
/dev/lp0 is also the old built-in parallel port. USB printers and
parallel ports show up as /dev/usb/lp0 or so..
Lennart
--
Lennart Poettering, Red Hat
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