1. 根目录:
2. arch
3. x86
4. include
5. asm
6. kbdleds.h

#ifndef _ASM_X86_KBDLEDS_H
#define _ASM_X86_KBDLEDS_H

/*
 * Some laptops take the 789uiojklm,. keys as number pad when NumLock is on.
 * This seems a good reason to start with NumLock off. That's why on X86 we
 * ask the bios for the correct state.
 */

#include <asm/setup.h>

static inline int kbd_defleds(void)
{
	return boot_params.kbd_status & 0x20 ? (1 << VC_NUMLOCK) : 0;
}

#endif /* _ASM_X86_KBDLEDS_H */