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V4L/DVB (12600): dvb-usb-remote: return KEY_RESERVED if there's free space for new keys

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The input subsystem checks if get_keycode works for a scan code. Due to that,
we need to return a valid value when there's some space at the table that
can be used by a scancode.

Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
This commit is contained in:
Mauro Carvalho Chehab 2009-08-29 22:03:47 -03:00
parent b77f0a7630
commit a4c1cbc781
1 changed files with 13 additions and 0 deletions
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13
drivers/media/dvb/dvb-usb/dvb-usb-remote.c
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@ -22,6 +22,19 @@ static int dvb_usb_getkeycode(struct input_dev *dev,
*keycode = keymap[i].event;
return 0;
}
/*
* If is there extra space, returns KEY_RESERVED,
* otherwise, input core won't let dvb_usb_setkeycode
* to work
*/
for (i = 0; i < d->props.rc_key_map_size; i++)
if (keymap[i].event == KEY_RESERVED ||
keymap[i].event == KEY_UNKNOWN) {
*keycode = KEY_RESERVED;
return 0;
}
return -EINVAL;
}