Joe Perches | bbeddf5 | 2013-07-31 13:53:45 -0700 | [diff] [blame] | 1 | #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt |
| 2 | |
| 3 | #include <linux/kernel.h> |
| 4 | #include <linux/console.h> |
| 5 | #include <linux/string.h> |
| 6 | |
| 7 | #include "console_cmdline.h" |
| 8 | #include "braille.h" |
| 9 | |
| 10 | char *_braille_console_setup(char **str, char **brl_options) |
| 11 | { |
| 12 | if (!memcmp(*str, "brl,", 4)) { |
| 13 | *brl_options = ""; |
| 14 | *str += 4; |
| 15 | } else if (!memcmp(str, "brl=", 4)) { |
| 16 | *brl_options = *str + 4; |
| 17 | *str = strchr(*brl_options, ','); |
| 18 | if (!*str) |
| 19 | pr_err("need port name after brl=\n"); |
| 20 | else |
| 21 | *((*str)++) = 0; |
Steven Rostedt | 2cfe6c4 | 2013-08-05 22:55:28 -0400 | [diff] [blame] | 22 | } else |
| 23 | return NULL; |
Joe Perches | bbeddf5 | 2013-07-31 13:53:45 -0700 | [diff] [blame] | 24 | |
| 25 | return *str; |
| 26 | } |
| 27 | |
| 28 | int |
| 29 | _braille_register_console(struct console *console, struct console_cmdline *c) |
| 30 | { |
| 31 | int rtn = 0; |
| 32 | |
| 33 | if (c->brl_options) { |
| 34 | console->flags |= CON_BRL; |
| 35 | rtn = braille_register_console(console, c->index, c->options, |
| 36 | c->brl_options); |
| 37 | } |
| 38 | |
| 39 | return rtn; |
| 40 | } |
| 41 | |
| 42 | int |
| 43 | _braille_unregister_console(struct console *console) |
| 44 | { |
| 45 | if (console->flags & CON_BRL) |
| 46 | return braille_unregister_console(console); |
| 47 | |
| 48 | return 0; |
| 49 | } |