atom feed1 message in org.kernel.vger.linux-kernelPatch: Num/Caps_lock state - ioctl fl...
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Rok PapežApr 12, 2002 3:28 am 
Subject:Patch: Num/Caps_lock state - ioctl flags mixed up
From:Rok Papež (rok.@lugos.si)
Date:Apr 12, 2002 3:28:31 am
List:org.kernel.vger.linux-kernel

Hello.

It look like the flags for setting the state of caps lock and num lock in kd.h are mixed up. For setting just the LEDs (but not the state) they work OK.

-------------------- patch --------------------------------

--- 2.4.18/include/linux/kd.h Thu Nov 22 20:47:07 2001 +++ 2.4.18-k_fix/include/linux/kd.h Fri Apr 12 11:47:44 2002 @@ -26,8 +26,8 @@ #define KDGETLED 0x4B31 /* return current led state */ #define KDSETLED 0x4B32 /* set led state [lights, not flags] */ #define LED_SCR 0x01 /* scroll lock led */ -#define LED_CAP 0x04 /* caps lock led */ #define LED_NUM 0x02 /* num lock led */ +#define LED_CAP 0x04 /* caps lock led */

#define KDGKBTYPE 0x4B33 /* get keyboard type */ #define KB_84 0x01 @@ -89,8 +89,8 @@ #define KDSKBMETA 0x4B63 /* sets meta key handling mode */

#define K_SCROLLLOCK 0x01 -#define K_CAPSLOCK 0x02 -#define K_NUMLOCK 0x04 +#define K_NUMLOCK 0x02 +#define K_CAPSLOCK 0x04 #define KDGKBLED 0x4B64 /* get led flags (not lights) */ #define KDSKBLED 0x4B65 /* set led flags (not lights) */

-------------------- test app --------------------------------

#include <sys/ioctl.h> #include <unistd.h> #include <linux/kd.h> #include <errno.h> #include <string.h> #include <stdio.h> #include <stdlib.h>

int main(int argc, char *argv[]) { int param = 0; int rc;

if(argc>1) param = atoi(argv[1]);

switch(param) { case 1: param = K_CAPSLOCK; break;

case 2: param = K_NUMLOCK; break;

default: printf("parameter should be:\n\t- 1 for K_CAPSLOCK\n\t- 2 for
K_NUMLOCK\n"); return -1; } //~switch

rc = ioctl(STDIN_FILENO, KDSKBLED, param); if(rc) printf("%s\n", strerror(errno));

return 0; }