Commit 896cdc7b authored by Dmitry Torokhov's avatar Dmitry Torokhov

Input: keyboard - simplify emulate_raw() implementation

Signed-off-by: default avatarDmitry Torokhov <dtor@mail.ru>
parent 2b192908
...@@ -1025,7 +1025,7 @@ static const unsigned short x86_keycodes[256] = ...@@ -1025,7 +1025,7 @@ static const unsigned short x86_keycodes[256] =
48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63,
64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79,
80, 81, 82, 83, 84,118, 86, 87, 88,115,120,119,121,112,123, 92, 80, 81, 82, 83, 84,118, 86, 87, 88,115,120,119,121,112,123, 92,
284,285,309,298,312, 91,327,328,329,331,333,335,336,337,338,339, 284,285,309, 0,312, 91,327,328,329,331,333,335,336,337,338,339,
367,288,302,304,350, 89,334,326,267,126,268,269,125,347,348,349, 367,288,302,304,350, 89,334,326,267,126,268,269,125,347,348,349,
360,261,262,263,268,376,100,101,321,316,373,286,289,102,351,355, 360,261,262,263,268,376,100,101,321,316,373,286,289,102,351,355,
103,104,105,275,287,279,306,106,274,107,294,364,358,363,362,361, 103,104,105,275,287,279,306,106,274,107,294,364,358,363,362,361,
...@@ -1047,38 +1047,55 @@ extern void sun_do_break(void); ...@@ -1047,38 +1047,55 @@ extern void sun_do_break(void);
static int emulate_raw(struct vc_data *vc, unsigned int keycode, static int emulate_raw(struct vc_data *vc, unsigned int keycode,
unsigned char up_flag) unsigned char up_flag)
{ {
if (keycode > 255 || !x86_keycodes[keycode]) int code;
return -1;
switch (keycode) { switch (keycode) {
case KEY_PAUSE: case KEY_PAUSE:
put_queue(vc, 0xe1); put_queue(vc, 0xe1);
put_queue(vc, 0x1d | up_flag); put_queue(vc, 0x1d | up_flag);
put_queue(vc, 0x45 | up_flag); put_queue(vc, 0x45 | up_flag);
return 0; break;
case KEY_HANGEUL: case KEY_HANGEUL:
if (!up_flag) if (!up_flag)
put_queue(vc, 0xf2); put_queue(vc, 0xf2);
return 0; break;
case KEY_HANJA: case KEY_HANJA:
if (!up_flag) if (!up_flag)
put_queue(vc, 0xf1); put_queue(vc, 0xf1);
return 0; break;
}
if (keycode == KEY_SYSRQ && sysrq_alt) { case KEY_SYSRQ:
put_queue(vc, 0x54 | up_flag); /*
return 0; * Real AT keyboards (that's what we're trying
} * to emulate here emit 0xe0 0x2a 0xe0 0x37 when
* pressing PrtSc/SysRq alone, but simply 0x54
* when pressing Alt+PrtSc/SysRq.
*/
if (sysrq_alt) {
put_queue(vc, 0x54 | up_flag);
} else {
put_queue(vc, 0xe0);
put_queue(vc, 0x2a | up_flag);
put_queue(vc, 0xe0);
put_queue(vc, 0x37 | up_flag);
}
break;
default:
if (keycode > 255)
return -1;
if (x86_keycodes[keycode] & 0x100) code = x86_keycodes[keycode];
put_queue(vc, 0xe0); if (!code)
return -1;
put_queue(vc, (x86_keycodes[keycode] & 0x7f) | up_flag); if (code & 0x100)
put_queue(vc, 0xe0);
put_queue(vc, (code & 0x7f) | up_flag);
if (keycode == KEY_SYSRQ) { break;
put_queue(vc, 0xe0);
put_queue(vc, 0x37 | up_flag);
} }
return 0; return 0;
......
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