Commit | Line | Data |
---|---|---|
b2441318 | 1 | // SPDX-License-Identifier: GPL-2.0 |
bbeddf52 JP |
2 | #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt |
3 | ||
4 | #include <linux/kernel.h> | |
5 | #include <linux/console.h> | |
2ed2b862 | 6 | #include <linux/errno.h> |
bbeddf52 JP |
7 | #include <linux/string.h> |
8 | ||
9 | #include "console_cmdline.h" | |
10 | #include "braille.h" | |
11 | ||
2ed2b862 | 12 | int _braille_console_setup(char **str, char **brl_options) |
bbeddf52 | 13 | { |
ae6c33ba | 14 | if (!strncmp(*str, "brl,", 4)) { |
bbeddf52 JP |
15 | *brl_options = ""; |
16 | *str += 4; | |
ae6c33ba | 17 | } else if (!strncmp(*str, "brl=", 4)) { |
bbeddf52 JP |
18 | *brl_options = *str + 4; |
19 | *str = strchr(*brl_options, ','); | |
2ed2b862 | 20 | if (!*str) { |
bbeddf52 | 21 | pr_err("need port name after brl=\n"); |
2ed2b862 ST |
22 | return -EINVAL; |
23 | } | |
24 | *((*str)++) = 0; | |
25 | } | |
bbeddf52 | 26 | |
2ed2b862 | 27 | return 0; |
bbeddf52 JP |
28 | } |
29 | ||
30 | int | |
31 | _braille_register_console(struct console *console, struct console_cmdline *c) | |
32 | { | |
33 | int rtn = 0; | |
34 | ||
35 | if (c->brl_options) { | |
36 | console->flags |= CON_BRL; | |
37 | rtn = braille_register_console(console, c->index, c->options, | |
38 | c->brl_options); | |
39 | } | |
40 | ||
41 | return rtn; | |
42 | } | |
43 | ||
44 | int | |
45 | _braille_unregister_console(struct console *console) | |
46 | { | |
47 | if (console->flags & CON_BRL) | |
48 | return braille_unregister_console(console); | |
49 | ||
50 | return 0; | |
51 | } |