[PATCH] chardev: GPIO for SCx200 & PC-8736x: use dev_dbg in common module

[firefly-linux-kernel-4.4.55.git] / drivers / char / keyboard.c

diff --git a/drivers/char/keyboard.c b/drivers/char/keyboard.c
index 24f2656000e831cb813d2e5397f6bc6577c82cd0..4bb3d22726046fbcc4cd7cbbb4dbd69ce15b9edb 100644 (file)
--- 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;
 
@@ -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;