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Basic braille screen reader support

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This adds a minimalistic braille screen reader support.  This is meant to
be used by blind people e.g.  on boot failures or when / cannot be mounted
etc and thus the userland screen readers can not work.

[akpm@linux-foundation.org: fix exports]
Signed-off-by: Samuel Thibault <samuel.thibault@ens-lyon.org>
Cc: Jiri Kosina <jikos@jikos.cz>
Cc: Dmitry Torokhov <dtor@mail.ru>
Acked-by: Alan Cox <alan@redhat.com>
Cc: Randy Dunlap <randy.dunlap@oracle.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Samuel Thibault
2008-04-30 00:54:51 -07:00
committed by Linus Torvalds
parent 730f412c08
commit f7511d5f66
15 changed files with 538 additions and 30 deletions
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1
drivers/char/vt.c
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@@ -4004,6 +4004,7 @@ u16 screen_glyph(struct vc_data *vc, int offset)
c |= 0x100;
return c;
}
EXPORT_SYMBOL_GPL(screen_glyph);
/* used by vcs - note the word offset */
unsigned short *screen_pos(struct vc_data *vc, int w_offset, int viewed)