linux-kernel - [PATCH 3.12 143/212] HID: wiimote: fix inverted pro-controller axes

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Message-Id: <20131202191303.128346836@linuxfoundation.org>
Date:	Mon,  2 Dec 2013 11:15:34 -0800
From:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:	linux-kernel@...r.kernel.org
Cc:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	stable@...r.kernel.org, Rafael Brune <mail@...une.de>,
	David Herrmann <dh.herrmann@...il.com>,
	Jiri Kosina <jkosina@...e.cz>
Subject: [PATCH 3.12 143/212] HID: wiimote: fix inverted pro-controller axes

3.12-stable review patch.  If anyone has any objections, please let me know.

------------------

From: David Herrmann <dh.herrmann@...il.com>

commit 0abda6fa81dced031e3df31ac29bfb253549c2d1 upstream.

The analog-stick vertical axes are inverted. Fix that! Otherwise, games
and other gamepad applications need to carry their own fixups (which they
thankfully haven't done, yet).

Reported-by: Rafael Brune <mail@...une.de>
Tested-by: Rafael Brune <mail@...une.de>
Signed-off-by: David Herrmann <dh.herrmann@...il.com>
Signed-off-by: Jiri Kosina <jkosina@...e.cz>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>

---
 drivers/hid/hid-wiimote-modules.c |    4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

--- a/drivers/hid/hid-wiimote-modules.c
+++ b/drivers/hid/hid-wiimote-modules.c
@@ -1656,9 +1656,9 @@ static void wiimod_pro_in_ext(struct wii
 	ry = (ext[6] & 0xff) | ((ext[7] & 0x0f) << 8);
 
 	input_report_abs(wdata->extension.input, ABS_X, lx - 0x800);
-	input_report_abs(wdata->extension.input, ABS_Y, ly - 0x800);
+	input_report_abs(wdata->extension.input, ABS_Y, 0x800 - ly);
 	input_report_abs(wdata->extension.input, ABS_RX, rx - 0x800);
-	input_report_abs(wdata->extension.input, ABS_RY, ry - 0x800);
+	input_report_abs(wdata->extension.input, ABS_RY, 0x800 - ry);
 
 	input_report_key(wdata->extension.input,
 			 wiimod_pro_map[WIIMOD_PRO_KEY_RIGHT],


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