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HID: wiimote: fix nunchuck button parser 

The buttons of the Wii Remote Nunchuck extension are actually active low.
Fix the parser to forward the inverted values. The comment in the function
always said "0 == pressed" but the implementation was wrong from the
beginning.

Cc: stable@vger.kernel.org
Reported-by: Victor Quicksilver <victor.quicksilver@gmail.com>
Signed-off-by: David Herrmann <dh.herrmann@gmail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
This commit is contained in:
David Herrmann 2013-02-18 01:47:15 +01:00 committed by Jiri Kosina
parent 30b6b7d8d3
commit 89bdd0c6f3
1 changed files with 4 additions and 4 deletions
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8
drivers/hid/hid-wiimote-ext.c
View File

@ -403,14 +403,14 @@ static void handler_nunchuck(struct wiimote_ext *ext, const __u8 *payload)
if (ext->motionp) {
input_report_key(ext->input,
wiiext_keymap[WIIEXT_KEY_Z], !!(payload[5] & 0x04));
wiiext_keymap[WIIEXT_KEY_Z], !(payload[5] & 0x04));
input_report_key(ext->input,
wiiext_keymap[WIIEXT_KEY_C], !!(payload[5] & 0x08));
wiiext_keymap[WIIEXT_KEY_C], !(payload[5] & 0x08));
} else {
input_report_key(ext->input,
wiiext_keymap[WIIEXT_KEY_Z], !!(payload[5] & 0x01));
wiiext_keymap[WIIEXT_KEY_Z], !(payload[5] & 0x01));
input_report_key(ext->input,
wiiext_keymap[WIIEXT_KEY_C], !!(payload[5] & 0x02));
wiiext_keymap[WIIEXT_KEY_C], !(payload[5] & 0x02));
}
input_sync(ext->input);