diff options
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, | |||
359 | char *console_options, char *braille_options) | 359 | char *console_options, char *braille_options) |
360 | { | 360 | { |
361 | int ret; | 361 | int ret; |
362 | |||
363 | if (!(console->flags & CON_BRL)) | ||
364 | return 0; | ||
362 | if (!console_options) | 365 | if (!console_options) |
363 | /* Only support VisioBraille for now */ | 366 | /* Only support VisioBraille for now */ |
364 | console_options = "57600o8"; | 367 | console_options = "57600o8"; |
@@ -374,15 +377,17 @@ int braille_register_console(struct console *console, int index, | |||
374 | braille_co = console; | 377 | braille_co = console; |
375 | register_keyboard_notifier(&keyboard_notifier_block); | 378 | register_keyboard_notifier(&keyboard_notifier_block); |
376 | register_vt_notifier(&vt_notifier_block); | 379 | register_vt_notifier(&vt_notifier_block); |
377 | return 0; | 380 | return 1; |
378 | } | 381 | } |
379 | 382 | ||
380 | int braille_unregister_console(struct console *console) | 383 | int braille_unregister_console(struct console *console) |
381 | { | 384 | { |
382 | if (braille_co != console) | 385 | if (braille_co != console) |
383 | return -EINVAL; | 386 | return -EINVAL; |
387 | if (!(console->flags & CON_BRL)) | ||
388 | return 0; | ||
384 | unregister_keyboard_notifier(&keyboard_notifier_block); | 389 | unregister_keyboard_notifier(&keyboard_notifier_block); |
385 | unregister_vt_notifier(&vt_notifier_block); | 390 | unregister_vt_notifier(&vt_notifier_block); |
386 | braille_co = NULL; | 391 | braille_co = NULL; |
387 | return 0; | 392 | return 1; |
388 | } | 393 | } |