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; 22 } else 23 return NULL; 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 } 50