Contributing to speakup

[Okash Khawaja]

I see, now it's falling into place. Still more questions to come but I can
see the way forward. Thanks

On Wed, Nov 16, 2016 at 6:28 PM, Samuel Thibault <
samuel.thibault at ens-lyon.org> wrote:

> Okash Khawaja, on Wed 16 Nov 2016 10:03:32 +0000, wrote:
> > However, I am not sure about what the new
> > implmentation of serial_out() et el will look like.
>
> It will call tty->ops->write(), typically.
>
> > Also, I understand speakup being a line discipline and the challenges
> involved
> > in creating device file and assigning speakup ldisc to it. But don't
> know how
> > it ties with it this work.
>
> That's what will produce the 'tty' pointer.
>
> > And how it facilitates comms with USB, PCI etc.
>
> It will bring them for free: opening ttyS0 will open whatever serial
> port appears as ttyS0 in Linux, be it ISA or PCI. Opening ttyUSB0 will
> open whatever USB serial port which appears as ttyUSB0.
>
> > Perhaps we can come back to that later and start with the refactor first.
>
> Yes, the refactor can be done first. The tty initialization will however
> come immediately after, to replace the outb() of serial_out() with
> tty->ops->write().
>
> Samuel
>