xref: /openbmc/linux/kernel/printk/braille.h (revision fb574682)
1 /* SPDX-License-Identifier: GPL-2.0 */
2 #ifndef _PRINTK_BRAILLE_H
3 #define _PRINTK_BRAILLE_H
4 
5 #ifdef CONFIG_A11Y_BRAILLE_CONSOLE
6 
7 static inline void
8 braille_set_options(struct console_cmdline *c, char *brl_options)
9 {
10 	c->brl_options = brl_options;
11 }
12 
13 /*
14  * Setup console according to braille options.
15  * Return -EINVAL on syntax error, 0 on success (or no braille option was
16  * actually given).
17  * Modifies str to point to the serial options
18  * Sets brl_options to the parsed braille options.
19  */
20 int
21 _braille_console_setup(char **str, char **brl_options);
22 
23 int
24 _braille_register_console(struct console *console, struct console_cmdline *c);
25 
26 int
27 _braille_unregister_console(struct console *console);
28 
29 #else
30 
31 static inline void
32 braille_set_options(struct console_cmdline *c, char *brl_options)
33 {
34 }
35 
36 static inline int
37 _braille_console_setup(char **str, char **brl_options)
38 {
39 	return 0;
40 }
41 
42 static inline int
43 _braille_register_console(struct console *console, struct console_cmdline *c)
44 {
45 	return 0;
46 }
47 
48 static inline int
49 _braille_unregister_console(struct console *console)
50 {
51 	return 0;
52 }
53 
54 #endif
55 
56 #endif
57