From a0346556698e62405a04b010c4f4197bdc9fec06 Mon Sep 17 00:00:00 2001
From: Alan Orth <alan.orth@gmail.com>
Date: Wed, 24 Apr 2013 20:40:37 +0300
Subject: [PATCH] Fix touchscreen and compass orientation for Exynos 4210-based
 tablets

Samsung's I9100 Jellybean source release introduced some strange
orientation issues for the Tab 7 Plus and Tab 7.7 tablets.  This
reverts the touchscreen and compass behavior to that of the ICS
kernels.

Thanks to @daniel_hk on XDA for finding this.

Change-Id: I99dfa2869c24f73cc3d7008f346af2b549221b68
---
 arch/arm/mach-exynos/mach-px.c     | 12 ++++++------
 drivers/input/touchscreen/mms152.c |  9 ++++-----
 2 files changed, 10 insertions(+), 11 deletions(-)

diff --git a/arch/arm/mach-exynos/mach-px.c b/arch/arm/mach-exynos/mach-px.c
index a655490e7e61..e9481956e12b 100644
--- a/arch/arm/mach-exynos/mach-px.c
+++ b/arch/arm/mach-exynos/mach-px.c
@@ -3055,8 +3055,8 @@ static struct mpu3050_platform_data mpu3050_pdata = {
 			1, 0, 0,
 			0, 0, 1},
 #elif defined(CONFIG_MACH_P2)
-	.orientation = {1, 0, 0,
-			0, -1, 0,
+	.orientation = {0, 1, 0,
+			1, 0, 0,
 			0, 0, -1},
 #elif defined(CONFIG_MACH_P4)
 	.orientation = {1 , 0, 0,
@@ -3087,8 +3087,8 @@ static struct mpu3050_platform_data mpu3050_pdata = {
 				-1, 0, 0,
 				0, 0, 1},
 #elif defined(CONFIG_MACH_P2)
-		.orientation = {1, 0, 0,
-				0, -1, 0,
+		.orientation = {0, 1, 0,
+				1, 0, 0,
 				0, 0, -1},
 #elif defined(CONFIG_MACH_P4)
 		.orientation = {0, -1, 0,
@@ -3111,8 +3111,8 @@ static struct mpu3050_platform_data mpu3050_pdata = {
 		 * 90 degrees clockwise from natural orientation.
 		 * So X & Y are swapped and Y & Z are negated.
 		 */
-		.orientation = {1, 0, 0,
-				0, 1, 0,
+		.orientation = {0, -1, 0,
+				1, 0, 0,
 				0, 0, 1},
 	},
 
diff --git a/drivers/input/touchscreen/mms152.c b/drivers/input/touchscreen/mms152.c
index 1b1f14f98df1..27e226e01eae 100644
--- a/drivers/input/touchscreen/mms152.c
+++ b/drivers/input/touchscreen/mms152.c
@@ -75,8 +75,8 @@
 
 #define MELFAS_MAX_TOUCH	10
 
-#define TS_MAX_X_COORD		600
-#define TS_MAX_Y_COORD		1024
+#define TS_MAX_X_COORD		1024
+#define TS_MAX_Y_COORD		600
 #define TS_MAX_Z_TOUCH		255
 #define TS_MAX_W_TOUCH		30
 
@@ -1004,9 +1004,8 @@ static void melfas_ts_read_input(struct melfas_ts_data *ts)
 
 	for (i = 0; i < read_num; i = i+6) {
 		id = (buf[i] & 0x0F)-1;
-		posX = TS_MAX_X_COORD -
-				((u16)(buf[i+1] & 0xF0) << 4 | buf[i+3]);
-		posY = (u16)(buf[i+1] & 0x0F) << 8 | buf[i+2];
+		posX = (u16)(buf[i+1] & 0x0F) << 8 | buf[i+2];
+		posY = (u16)(buf[i+1] & 0xF0) << 4 | buf[i+3];
 		str = buf[i + 4];
 		width = buf[i+5];