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bbeddf52ad
Create files with prototypes and static inlines for braille support. Make braille_console functions return 1 on success. Corrected CONFIG_A11Y_BRAILLE_CONSOLE=n _braille_console_setup return value to NULL. Signed-off-by: Joe Perches <joe@perches.com> Reviewed-by: Samuel Thibault <samuel.thibault@ens-lyon.org> Cc: Ming Lei <ming.lei@canonical.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
48 lines
925 B
C
48 lines
925 B
C
#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
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#include <linux/kernel.h>
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#include <linux/console.h>
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#include <linux/string.h>
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#include "console_cmdline.h"
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#include "braille.h"
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char *_braille_console_setup(char **str, char **brl_options)
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{
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if (!memcmp(*str, "brl,", 4)) {
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*brl_options = "";
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*str += 4;
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} else if (!memcmp(str, "brl=", 4)) {
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*brl_options = *str + 4;
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*str = strchr(*brl_options, ',');
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if (!*str)
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pr_err("need port name after brl=\n");
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else
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*((*str)++) = 0;
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}
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return *str;
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}
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int
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_braille_register_console(struct console *console, struct console_cmdline *c)
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{
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int rtn = 0;
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if (c->brl_options) {
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console->flags |= CON_BRL;
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rtn = braille_register_console(console, c->index, c->options,
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c->brl_options);
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}
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return rtn;
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}
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int
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_braille_unregister_console(struct console *console)
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{
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if (console->flags & CON_BRL)
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return braille_unregister_console(console);
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return 0;
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}
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