diff options
Diffstat (limited to 'drivers/accessibility/braille/braille_console.c')
| -rw-r--r-- | drivers/accessibility/braille/braille_console.c | 39 |
1 files changed, 15 insertions, 24 deletions
diff --git a/drivers/accessibility/braille/braille_console.c b/drivers/accessibility/braille/braille_console.c index d21167bfc865..06b43b678d6e 100644 --- a/drivers/accessibility/braille/braille_console.c +++ b/drivers/accessibility/braille/braille_console.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0-or-later /* * Minimalistic braille device kernel support. * @@ -5,20 +6,6 @@ * Pressing Insert switches to VC browsing. * * Copyright (C) Samuel Thibault <samuel.thibault@ens-lyon.org> - * - * This program is free software ; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation ; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY ; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with the program ; if not, write to the Free Software - * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ #include <linux/kernel.h> @@ -37,7 +24,6 @@ MODULE_AUTHOR("samuel.thibault@ens-lyon.org"); MODULE_DESCRIPTION("braille device"); -MODULE_LICENSE("GPL"); /* * Braille device support part. @@ -122,16 +108,16 @@ static void braille_write(u16 *buf) /* Follow the VC cursor*/ static void vc_follow_cursor(struct vc_data *vc) { - vc_x = vc->vc_x - (vc->vc_x % WIDTH); - vc_y = vc->vc_y; - lastvc_x = vc->vc_x; - lastvc_y = vc->vc_y; + vc_x = vc->state.x - (vc->state.x % WIDTH); + vc_y = vc->state.y; + lastvc_x = vc->state.x; + lastvc_y = vc->state.y; } /* Maybe the VC cursor moved, if so follow it */ static void vc_maybe_cursor_moved(struct vc_data *vc) { - if (vc->vc_x != lastvc_x || vc->vc_y != lastvc_y) + if (vc->state.x != lastvc_x || vc->state.y != lastvc_y) vc_follow_cursor(vc); } @@ -144,7 +130,7 @@ static void vc_refresh(struct vc_data *vc) for (i = 0; i < WIDTH; i++) { u16 glyph = screen_glyph(vc, 2 * (vc_x + i) + vc_y * vc->vc_size_row); - buf[i] = inverse_translate(vc, glyph, 1); + buf[i] = inverse_translate(vc, glyph, true); } braille_write(buf); } @@ -238,6 +224,7 @@ static int keyboard_notifier_call(struct notifier_block *blk, case KBD_POST_KEYSYM: { unsigned char type = KTYP(param->value) - 0xf0; + if (type == KT_SPEC) { unsigned char val = KVAL(param->value); int on_off = -1; @@ -259,6 +246,7 @@ static int keyboard_notifier_call(struct notifier_block *blk, beep(440); } } + break; case KBD_UNBOUND_KEYCODE: case KBD_UNICODE: case KBD_KEYSYM: @@ -277,6 +265,7 @@ static int vt_notifier_call(struct notifier_block *blk, { struct vt_notifier_param *param = _param; struct vc_data *vc = param->vc; + switch (code) { case VT_ALLOCATE: break; @@ -285,6 +274,7 @@ static int vt_notifier_call(struct notifier_block *blk, case VT_WRITE: { unsigned char c = param->c; + if (vc->vc_num != fg_console) break; switch (c) { @@ -303,7 +293,7 @@ static int vt_notifier_call(struct notifier_block *blk, break; case '\t': c = ' '; - /* Fallthrough */ + fallthrough; default: if (c < 32) /* Ignore other control sequences */ @@ -359,6 +349,7 @@ int braille_register_console(struct console *console, int index, char *console_options, char *braille_options) { int ret; + if (!console_options) /* Only support VisioBraille for now */ console_options = "57600o8"; @@ -374,7 +365,7 @@ 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) @@ -384,5 +375,5 @@ int braille_unregister_console(struct console *console) unregister_keyboard_notifier(&keyboard_notifier_block); unregister_vt_notifier(&vt_notifier_block); braille_co = NULL; - return 0; + return 1; } |