On Thu, Apr 05, 2012 at 08:09:43PM -0700, Greg KH wrote: > On Thu, Apr 05, 2012 at 10:59:21PM -0400, Dave Mielke wrote: > > [quoted lines by Greg KH on 2012/04/05 at 19:33 -0700] > > > > >Ok, what platform are you talking about? Specifics please. > > > > We design for an arbitrary platform using generic higher level layers such that > > each new platform requires very little work to incorporate. > > > > >Who is "us"? > > > > brltty [http://mielke.cc/brltty/] > > > > >That's a wonderful goal. But note, that Linux already supports this > > >just fine (or it should, if not, please let us know and we will fix up > > >our braille interface that comes with the kernel.) > > > > That, interestingly enough, is news to me. I'm not sure what you mean by 'Linux > > already supports braille in the kernel". It most certainly does not. Now, yes, > > On Linux we do use /dev/vcsa devices to read the screen, although, even there, > > Unicode, rather than font positions, would be a huge imrovement (we currently > > back translate font positions read from the /dev/vcsa devices to Unicode > > characters). Maybe somewhere in the kernel there's support for a specific > > braille device - I don't know. We do it all at user level so that our code can > > be portable, with only minimal dependence on the actual host platform's > > specific ways of doing things. > > We merged the "speakup" interface into the kernel a few years ago. It > supports braille terminals, or at least I sure thought it did. If not, > my appologies. > > But, along those lines, if speakup doesn't support your devices, it > should, and we can work to add support for that, just let us know. Ah, found the other one I was thinking of, look in drivers/accessability/ There's a braille console driver there, does that work for your hardware? thanks, greg k-h -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
