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Input: add support for Braille devices

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- Add KEY_BRL_* input keys and K_BRL_* keycodes;
- Add emulation of how braille keyboards usually combine braille dots
  to the console keyboard driver;
- Add handling of unicode U+28xy diacritics.

Signed-off-by: Samuel Thibault <samuel.thibault@ens-lyon.org>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
This commit is contained in:
Samuel Thibault 2006-04-02 00:10:28 -05:00 • committed by Dmitry Torokhov
parent 53a2670cd9
commit b9ec4e109d
4 changed files with 125 additions and 17 deletions
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13
include/linux/keyboard.h
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@ -44,6 +44,7 @@ extern unsigned short plain_map[NR_KEYS];
#define KT_ASCII 9
#define KT_LOCK 10
#define KT_SLOCK 12
#define KT_BRL 14
#define K(t,v) (((t)<<8)|(v))
#define KTYP(x) ((x) >> 8)
@ -427,5 +428,17 @@ extern unsigned short plain_map[NR_KEYS];
#define NR_LOCK 8
#define K_BRL_BLANK K(KT_BRL, 0)
#define K_BRL_DOT1 K(KT_BRL, 1)
#define K_BRL_DOT2 K(KT_BRL, 2)
#define K_BRL_DOT3 K(KT_BRL, 3)
#define K_BRL_DOT4 K(KT_BRL, 4)
#define K_BRL_DOT5 K(KT_BRL, 5)
#define K_BRL_DOT6 K(KT_BRL, 6)
#define K_BRL_DOT7 K(KT_BRL, 7)
#define K_BRL_DOT8 K(KT_BRL, 8)
#define NR_BRL 9
#define MAX_DIACR 256
#endif