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Diffstat (limited to 'drivers/char/keyboard.c')
-rw-r--r--drivers/char/keyboard.c27
1 files changed, 18 insertions, 9 deletions
diff --git a/drivers/char/keyboard.c b/drivers/char/keyboard.c
index 5755b7e5f18..4bb3d227260 100644
--- a/drivers/char/keyboard.c
+++ b/drivers/char/keyboard.c
@@ -39,6 +39,7 @@
#include <linux/vt_kern.h>
#include <linux/sysrq.h>
#include <linux/input.h>
+#include <linux/reboot.h>
static void kbd_disconnect(struct input_handle *handle);
extern void ctrl_alt_del(void);
@@ -150,6 +151,7 @@ unsigned char kbd_sysrq_xlate[KEY_MAX + 1] =
"230\177\000\000\213\214\000\000\000\000\000\000\000\000\000\000" /* 0x50 - 0x5f */
"\r\000/"; /* 0x60 - 0x6f */
static int sysrq_down;
+static int sysrq_alt_use;
#endif
static int sysrq_alt;
@@ -672,7 +674,7 @@ static void k_dead2(struct vc_data *vc, unsigned char value, char up_flag, struc
*/
static void k_dead(struct vc_data *vc, unsigned char value, char up_flag, struct pt_regs *regs)
{
- static unsigned char ret_diacr[NR_DEAD] = {'`', '\'', '^', '~', '"', ',' };
+ static const unsigned char ret_diacr[NR_DEAD] = {'`', '\'', '^', '~', '"', ',' };
value = ret_diacr[value];
k_deadunicode(vc, value, up_flag, regs);
}
@@ -709,8 +711,8 @@ static void k_cur(struct vc_data *vc, unsigned char value, char up_flag, struct
static void k_pad(struct vc_data *vc, unsigned char value, char up_flag, struct pt_regs *regs)
{
- static const char *pad_chars = "0123456789+-*/\015,.?()#";
- static const char *app_map = "pqrstuvwxylSRQMnnmPQS";
+ static const char pad_chars[] = "0123456789+-*/\015,.?()#";
+ static const char app_map[] = "pqrstuvwxylSRQMnnmPQS";
if (up_flag)
return; /* no action, if this is a key release */
@@ -1035,7 +1037,7 @@ static void kbd_refresh_leds(struct input_handle *handle)
#define HW_RAW(dev) (test_bit(EV_MSC, dev->evbit) && test_bit(MSC_RAW, dev->mscbit) &&\
((dev)->id.bustype == BUS_I8042) && ((dev)->id.vendor == 0x0001) && ((dev)->id.product == 0x0001))
-static unsigned short x86_keycodes[256] =
+static const unsigned short x86_keycodes[256] =
{ 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15,
16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31,
32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47,
@@ -1073,11 +1075,13 @@ static int emulate_raw(struct vc_data *vc, unsigned int keycode,
put_queue(vc, 0x1d | up_flag);
put_queue(vc, 0x45 | up_flag);
return 0;
- case KEY_HANGUEL:
- if (!up_flag) put_queue(vc, 0xf1);
+ case KEY_HANGEUL:
+ if (!up_flag)
+ put_queue(vc, 0xf2);
return 0;
case KEY_HANJA:
- if (!up_flag) put_queue(vc, 0xf2);
+ if (!up_flag)
+ put_queue(vc, 0xf1);
return 0;
}
@@ -1142,7 +1146,7 @@ static void kbd_keycode(unsigned int keycode, int down,
kbd = kbd_table + fg_console;
if (keycode == KEY_LEFTALT || keycode == KEY_RIGHTALT)
- sysrq_alt = down;
+ sysrq_alt = down ? keycode : 0;
#ifdef CONFIG_SPARC
if (keycode == KEY_STOP)
sparc_l1_a_state = down;
@@ -1162,9 +1166,14 @@ static void kbd_keycode(unsigned int keycode, int down,
#ifdef CONFIG_MAGIC_SYSRQ /* Handle the SysRq Hack */
if (keycode == KEY_SYSRQ && (sysrq_down || (down == 1 && sysrq_alt))) {
- sysrq_down = down;
+ if (!sysrq_down) {
+ sysrq_down = down;
+ sysrq_alt_use = sysrq_alt;
+ }
return;
}
+ if (sysrq_down && !down && keycode == sysrq_alt_use)
+ sysrq_down = 0;
if (sysrq_down && down && !rep) {
handle_sysrq(kbd_sysrq_xlate[keycode], regs, tty);
return;