Re: pl2303 GPIO pin control

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Balint Viragh <bviragh@xxxxxxxxxxx> writes:

> The following patch introduces a new module parameter (gpio),
> to initialize the GPIO control register of pl2303hx in pl2303_startup,
> and a new ioctl to control it from user applications.

You should probably read the thread regarding GPIO support for cp210x
and use Alan Cox' proposed tty helper for controlling this:
https://lkml.org/lkml/2012/5/16/288


Bjørn
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