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staging: unisys: visorhid: correctly map keys with extended scancodes 

The most-noticed key that wasn't being mapped correctly was Right-Alt,
which is the AltGr key on many non-US keyboards, used to select many
extended characters.

Signed-off-by: Tim Sell <Timothy.Sell@unisys.com>
Signed-off-by: Benjamin Romer <benjamin.romer@unisys.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Tim Sell 2015-10-01 12:41:58 -04:00 committed by Greg Kroah-Hartman
parent f84bd6267d
commit 0fbc149c94
1 changed files with 7 additions and 3 deletions
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10
drivers/staging/unisys/visorhid/visorhid.c
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@ -213,13 +213,14 @@ static unsigned char visorkbd_keycode[256] = { /* American layout */
/* This maps the <xx> in extended scancodes of the form "0xE0 <xx>" into
* keycodes.
*/
static unsigned char ext_keycode[256] = {
static unsigned char visorkbd_ext_keycode[256] = {
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, /* 0x00 */
0, 0, 0, 0, 0, 0, 0, 0, /* 0x10 */
0, 0, 0, 0, KEY_KPENTER, KEY_RIGHTCTRL, 0, 0, /* 0x18 */
0, 0, 0, 0, 0, 0, 0, 0, /* 0x20 */
KEY_RIGHTALT, 0, 0, 0, 0, 0, 0, 0, /* 0x28 */
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, /* 0x30 */
0, 0, 0, 0, 0, 0, 0, 0, /* 0x30 */
KEY_RIGHTALT /* AltGr */, 0, 0, 0, 0, 0, 0, 0, /* 0x38 */
0, 0, 0, 0, 0, 0, 0, KEY_HOME, /* 0x40 */
KEY_UP, KEY_PAGEUP, 0, KEY_LEFT, 0, KEY_RIGHT, 0, KEY_END, /* 0x48 */
KEY_DOWN, KEY_PAGEDOWN, KEY_INSERT, KEY_DELETE, 0, 0, 0, 0, /* 0x50 */
@ -348,6 +349,9 @@ register_client_keyboard(void)
for (i = 1; i < ARRAY_SIZE(visorkbd_keycode); i++)
set_bit(visorkbd_keycode[i], visorinput_dev->keybit);
for (i = 1; i < ARRAY_SIZE(visorkbd_ext_keycode); i++)
set_bit(visorkbd_ext_keycode[i], visorinput_dev->keybit);
error = input_register_device(visorinput_dev);
if (error) {
input_free_device(visorinput_dev);
@ -469,7 +473,7 @@ scancode_to_keycode(int scancode)
int keycode;
if (scancode > 0xff)
keycode = ext_keycode[(scancode >> 8) & 0xff];
keycode = visorkbd_ext_keycode[(scancode >> 8) & 0xff];
else
keycode = visorkbd_keycode[scancode];
return keycode;