Input: xpad - fix report for dpad and inverted Y and RY axes on xbox 360

Make the driver report Y/RY up as positive value and down as negative. Also
make DPAD mapping the same as classic xpad.

Reported-by: Brian Magnuson <bdmagnuson@gmail.com>
Tested-by: Jan Kratochvil <honza@jikos.cz>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>

drivers/input/joystick/xpad.c

@@ -236,8 +236,8 @@ static void xpad_process_packet(struct usb_xpad *xpad, u16 cmd, unsigned char *d
 	} else /* xpad->dpad_mapping == MAP_DPAD_TO_BUTTONS */ {
 		input_report_key(dev, BTN_LEFT,  data[2] & 0x04);
 		input_report_key(dev, BTN_RIGHT, data[2] & 0x08);
-		input_report_key(dev, BTN_0,     data[2] & 0x01); // up
-		input_report_key(dev, BTN_1,     data[2] & 0x02); // down
+		input_report_key(dev, BTN_0,     data[2] & 0x01); /* up */
+		input_report_key(dev, BTN_1,     data[2] & 0x02); /* down */
 	}
 
 	/* start/back buttons and stick press left/right */
@@ -275,40 +275,40 @@ static void xpad360_process_packet(struct usb_xpad *xpad, u16 cmd, unsigned char
 
 	/* digital pad */
 	if (xpad->dpad_mapping == MAP_DPAD_TO_AXES) {
-		input_report_abs(dev, ABS_HAT0X, !!(data[2] & 0x01) - !!((data[2] & 0x08) >> 3));
-		input_report_abs(dev, ABS_HAT0Y, !!((data[2] & 0x02) >> 1) - !!((data[2] & 0x04) >> 2));
-	} else if ( xpad->dpad_mapping == MAP_DPAD_TO_BUTTONS ) {
+		input_report_abs(dev, ABS_HAT0X, !!(data[2] & 0x08) - !!(data[2] & 0x04));
+		input_report_abs(dev, ABS_HAT0Y, !!(data[2] & 0x02) - !!(data[2] & 0x01));
+	} else if (xpad->dpad_mapping == MAP_DPAD_TO_BUTTONS) {
 		/* dpad as buttons (right, left, down, up) */
-		input_report_key(dev, BTN_RIGHT, (data[2] & 0x01));
-		input_report_key(dev, BTN_LEFT, (data[2] & 0x08) >> 3);
-		input_report_key(dev, BTN_0, (data[2] & 0x02) >> 1);
-		input_report_key(dev, BTN_1, (data[2] & 0x04) >> 2);
+		input_report_key(dev, BTN_LEFT, data[2] & 0x04);
+		input_report_key(dev, BTN_RIGHT, data[2] & 0x08);
+		input_report_key(dev, BTN_0, data[2] & 0x01);	/* up */
+		input_report_key(dev, BTN_1, data[2] & 0x02);	/* down */
 	}
 
 	/* start/back buttons */
-	input_report_key(dev, BTN_START,  (data[2] & 0x10) >> 4);
-	input_report_key(dev, BTN_BACK,   (data[2] & 0x20) >> 5);
+	input_report_key(dev, BTN_START,  data[2] & 0x10);
+	input_report_key(dev, BTN_BACK,   data[2] & 0x20);
 
 	/* stick press left/right */
 	input_report_key(dev, BTN_THUMBL, data[2] & 0x40);
 	input_report_key(dev, BTN_THUMBR, data[2] & 0x80);
 
 	/* buttons A,B,X,Y,TL,TR and MODE */
-	input_report_key(dev, BTN_A, (data[3] & 0x10) >> 4);
-	input_report_key(dev, BTN_B, (data[3] & 0x20) >> 5);
-	input_report_key(dev, BTN_X, (data[3] & 0x40) >> 6);
-	input_report_key(dev, BTN_Y, (data[3] & 0x80) >> 7);
-	input_report_key(dev, BTN_TL, data[3] & 0x01 );
-	input_report_key(dev, BTN_TR, (data[3] & 0x02) >> 1);
-	input_report_key(dev, BTN_MODE, (data[3] & 0x04) >> 2);
+	input_report_key(dev, BTN_A,	data[3] & 0x10);
+	input_report_key(dev, BTN_B,	data[3] & 0x20);
+	input_report_key(dev, BTN_X,	data[3] & 0x40);
+	input_report_key(dev, BTN_Y,	data[3] & 0x80);
+	input_report_key(dev, BTN_TL,	data[3] & 0x01);
+	input_report_key(dev, BTN_TR,	data[3] & 0x02);
+	input_report_key(dev, BTN_MODE,	data[3] & 0x04);
 
 	/* left stick */
 	input_report_abs(dev, ABS_X, (__s16) (((__s16)data[7] << 8) | (__s16)data[6]));
-	input_report_abs(dev, ABS_Y, ~(__s16) (((__s16)data[9] << 8) | (__s16)data[8]));
+	input_report_abs(dev, ABS_Y, (__s16) (((__s16)data[9] << 8) | (__s16)data[8]));
 
 	/* right stick */
-	input_report_abs(dev, ABS_RY, ~(__s16) (((__s16)data[13] << 8) | (__s16)data[12]));
 	input_report_abs(dev, ABS_RX, (__s16) (((__s16)data[11] << 8) | (__s16)data[10]));
+	input_report_abs(dev, ABS_RY, (__s16) (((__s16)data[13] << 8) | (__s16)data[12]));
 
 	/* triggers left/right */
 	input_report_abs(dev, ABS_Z, data[4]);