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vt: add /dev/vcsu* to devices.txt 

Also mention that the traditional devices provide glyph values whereas
/dev/vcsu* is unicode based.

Suggested-by: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: Nicolas Pitre <nico@linaro.org>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Nicolas Pitre 2018-07-17 21:02:42 -04:00 committed by Greg Kroah-Hartman
parent 0224080fc8
commit 13aa0a1218
1 changed files with 10 additions and 6 deletions
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16
Documentation/admin-guide/devices.txt
View File

@ -173,14 +173,18 @@
they are redirected through the parport multiplex layer.
7 char Virtual console capture devices
0 = /dev/vcs Current vc text contents
1 = /dev/vcs1 tty1 text contents
0 = /dev/vcs Current vc text (glyph) contents
1 = /dev/vcs1 tty1 text (glyph) contents
...
63 = /dev/vcs63 tty63 text contents
128 = /dev/vcsa Current vc text/attribute contents
129 = /dev/vcsa1 tty1 text/attribute contents
63 = /dev/vcs63 tty63 text (glyph) contents
64 = /dev/vcsu Current vc text (unicode) contents
65 = /dev/vcsu1 tty1 text (unicode) contents
...
191 = /dev/vcsa63 tty63 text/attribute contents
127 = /dev/vcsu63 tty63 text (unicode) contents
128 = /dev/vcsa Current vc text/attribute (glyph) contents
129 = /dev/vcsa1 tty1 text/attribute (glyph) contents
...
191 = /dev/vcsa63 tty63 text/attribute (glyph) contents
NOTE: These devices permit both read and write access.