diff --git a/drivers/hid/hid-magicmouse.c b/drivers/hid/hid-magicmouse.c
index 004c01d9a61a..402682e0c2f4 100644
--- a/drivers/hid/hid-magicmouse.c
+++ b/drivers/hid/hid-magicmouse.c
@@ -158,18 +158,21 @@ static void magicmouse_emit_buttons(struct magicmouse_sc *msc, int state)
 static void magicmouse_emit_touch(struct magicmouse_sc *msc, int raw_id, u8 *tdata)
 {
 	struct input_dev *input = msc->input;
-	__s32 x_y = tdata[0] << 8 | tdata[1] << 16 | tdata[2] << 24;
-	int misc = tdata[5] | tdata[6] << 8;
-	int id = (misc >> 6) & 15;
-	int x = x_y << 12 >> 20;
-	int y = -(x_y >> 20);
-	int down = (tdata[7] & TOUCH_STATE_MASK) != TOUCH_STATE_NONE;
+	int id = (tdata[6] << 2 | tdata[5] >> 6) & 0xf;
+	int x = (tdata[1] << 28 | tdata[0] << 20) >> 20;
+	int y = -((tdata[2] << 24 | tdata[1] << 16) >> 20);
+	int size = tdata[5] & 0x3f;
+	int orientation = (tdata[6] >> 2) - 32;
+	int touch_major = tdata[3];
+	int touch_minor = tdata[4];
+	int state = tdata[7] & TOUCH_STATE_MASK;
+	int down = state != TOUCH_STATE_NONE;
 
 	/* Store tracking ID and other fields. */
 	msc->tracking_ids[raw_id] = id;
 	msc->touches[id].x = x;
 	msc->touches[id].y = y;
-	msc->touches[id].size = misc & 63;
+	msc->touches[id].size = size;
 
 	/* If requested, emulate a scroll wheel by detecting small
 	 * vertical touch motions.
@@ -180,7 +183,7 @@ static void magicmouse_emit_touch(struct magicmouse_sc *msc, int raw_id, u8 *tda
 		int step_y = msc->touches[id].scroll_y - y;
 
 		/* Calculate and apply the scroll motion. */
-		switch (tdata[7] & TOUCH_STATE_MASK) {
+		switch (state) {
 		case TOUCH_STATE_START:
 			msc->touches[id].scroll_x = x;
 			msc->touches[id].scroll_y = y;
@@ -216,11 +219,9 @@ static void magicmouse_emit_touch(struct magicmouse_sc *msc, int raw_id, u8 *tda
 
 	/* Generate the input events for this touch. */
 	if (report_touches && down) {
-		int orientation = (misc >> 10) - 32;
-
 		input_report_abs(input, ABS_MT_TRACKING_ID, id);
-		input_report_abs(input, ABS_MT_TOUCH_MAJOR, tdata[3]);
-		input_report_abs(input, ABS_MT_TOUCH_MINOR, tdata[4]);
+		input_report_abs(input, ABS_MT_TOUCH_MAJOR, touch_major);
+		input_report_abs(input, ABS_MT_TOUCH_MINOR, touch_minor);
 		input_report_abs(input, ABS_MT_ORIENTATION, orientation);
 		input_report_abs(input, ABS_MT_POSITION_X, x);
 		input_report_abs(input, ABS_MT_POSITION_Y, y);