diff options
| author | Joe Perches <joe@perches.com> | 2013-07-31 13:53:45 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2013-07-31 14:41:03 -0700 |
| commit | bbeddf52adc1b4207674ab88686cbbe58c24f721 (patch) | |
| tree | b5cc2fe8f140e340407e2daa8b1ab2ba63ae00f4 /drivers/accessibility | |
| parent | d197c43d04decb6b1298fa3ef26ea04a9ca7c977 (diff) | |
| download | lwn-bbeddf52adc1b4207674ab88686cbbe58c24f721.tar.gz lwn-bbeddf52adc1b4207674ab88686cbbe58c24f721.zip | |
printk: move braille console support into separate braille.[ch] files
Create files with prototypes and static inlines for braille support. Make
braille_console functions return 1 on success.
Corrected CONFIG_A11Y_BRAILLE_CONSOLE=n _braille_console_setup
return value to NULL.
Signed-off-by: Joe Perches <joe@perches.com>
Reviewed-by: Samuel Thibault <samuel.thibault@ens-lyon.org>
Cc: Ming Lei <ming.lei@canonical.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'drivers/accessibility')
| -rw-r--r-- | drivers/accessibility/braille/braille_console.c | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/drivers/accessibility/braille/braille_console.c b/drivers/accessibility/braille/braille_console.c index d21167bfc865..dc34a5b8bcee 100644 --- a/drivers/accessibility/braille/braille_console.c +++ b/drivers/accessibility/braille/braille_console.c @@ -359,6 +359,9 @@ int braille_register_console(struct console *console, int index, char *console_options, char *braille_options) { int ret; + + if (!(console->flags & CON_BRL)) + return 0; if (!console_options) /* Only support VisioBraille for now */ console_options = "57600o8"; @@ -374,15 +377,17 @@ int braille_register_console(struct console *console, int index, braille_co = console; register_keyboard_notifier(&keyboard_notifier_block); register_vt_notifier(&vt_notifier_block); - return 0; + return 1; } int braille_unregister_console(struct console *console) { if (braille_co != console) return -EINVAL; + if (!(console->flags & CON_BRL)) + return 0; unregister_keyboard_notifier(&keyboard_notifier_block); unregister_vt_notifier(&vt_notifier_block); braille_co = NULL; - return 0; + return 1; } |