commit: 89bdd0c6f38ccf0de43d5a36ede384a730f3394e
From: David Herrmann <[email protected]>
Date: Mon, 18 Feb 2013 01:47:15 +0100
Subject: 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: [email protected]
Reported-by: Victor Quicksilver <[email protected]>
Signed-off-by: David Herrmann <[email protected]>
Signed-off-by: Jiri Kosina <[email protected]>
---
 drivers/hid/hid-wiimote-ext.c |    8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/drivers/hid/hid-wiimote-ext.c b/drivers/hid/hid-wiimote-ext.c
index 38ae877..0472191 100644
--- a/drivers/hid/hid-wiimote-ext.c
+++ b/drivers/hid/hid-wiimote-ext.c
@@ -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);
-- 
1.7.10.4
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