Basic braille screen reader support

[mirror_ubuntu-artful-kernel.git] / Documentation / kernel-parameters.txt

diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt
index 3ce193f8656514519d9d9f1db03f24a5722c3011..0ba0861b5d18456a00b3cb03bf0fbef91e00265e 100644 (file)
--- a/Documentation/kernel-parameters.txt
+++ b/Documentation/kernel-parameters.txt
@@ -496,6 +496,11 @@ and is between 256 and 4096 characters. It is defined in the file
                        switching to the matching ttyS device later.  The
                        options are the same as for ttyS, above.
 
+                If the device connected to the port is not a TTY but a braille
+                device, prepend "brl," before the device type, for instance
+                       console=brl,ttyS0
+               For now, only VisioBraille is supported.
+
        earlycon=       [KNL] Output early console device and options.
                uart[8250],io,<addr>[,options]
                uart[8250],mmio,<addr>[,options]