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 } 23 24 return *str; 25 } 26 27 int 28 _braille_register_console(struct console *console, struct console_cmdline *c) 29 { 30 int rtn = 0; 31 32 if (c->brl_options) { 33 console->flags |= CON_BRL; 34 rtn = braille_register_console(console, c->index, c->options, 35 c->brl_options); 36 } 37 38 return rtn; 39 } 40 41 int 42 _braille_unregister_console(struct console *console) 43 { 44 if (console->flags & CON_BRL) 45 return braille_unregister_console(console); 46 47 return 0; 48 } 49