[BRLTTY] -B parameters on boot cmdline

[Dave Mielke]

[quoted lines by Samuel Thibault on 2015/08/18 at 14:28 +0200]

>Some drivers need a -B parameter to specify the actual protocol to be
>used (e.g. B protocol=clio). There doesn't seem to be a way to specify
>this from the boot cmdline.  I'm not sure how we'd like do this while
>keeping backward compatibility, i.e. something like:
>
>brltty=ttyUSB0,eu,fr
>
>brltty=ttyUSB0,eu,fr,protocol=clio
>
>but there is of course a conflict between the parameters separator of -B
>and the parameter separator of the boot cmdline...

The code already has a way to handle this conflict. What it does is convert 
plus signs (+) within boot parameter values into commas (,). Given this, would 
it be okay to just make braille driver parameters be the fourth boot parameter?

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