Merge branch 'next' into for-linus

Prepare first set of updates for 3.8 merge window.

3 files changed, 68 insertions, 21 deletions

diff --git a/drivers/input/tablet/wacom_sys.c b/drivers/input/tablet/wacom_sys.c
index 858ad446de91..f92d34f45a1c 100644
--- a/drivers/input/tablet/wacom_sys.c
+++ b/drivers/input/tablet/wacom_sys.c
@@ -386,23 +386,40 @@ static int wacom_parse_hid(struct usb_interface *intf,
 				if (usage == WCM_DESKTOP) {
 					if (finger) {
 						features->device_type = BTN_TOOL_FINGER;
-						if (features->type == TABLETPC2FG) {
-							/* need to reset back */
+
+						switch (features->type) {
+						case TABLETPC2FG:
 							features->pktlen = WACOM_PKGLEN_TPC2FG;
-						}
+							break;
 
-						if (features->type == MTSCREEN || features->type == WACOM_24HDT)
+						case MTSCREEN:
+						case WACOM_24HDT:
 							features->pktlen = WACOM_PKGLEN_MTOUCH;
+							break;
 
-						if (features->type == BAMBOO_PT) {
-							/* need to reset back */
+						case MTTPC:
+							features->pktlen = WACOM_PKGLEN_MTTPC;
+							break;
+
+						case BAMBOO_PT:
 							features->pktlen = WACOM_PKGLEN_BBTOUCH;
+							break;
+
+						default:
+							features->pktlen = WACOM_PKGLEN_GRAPHIRE;
+							break;
+						}
+
+						switch (features->type) {
+						case BAMBOO_PT:
 							features->x_phy =
 								get_unaligned_le16(&report[i + 5]);
 							features->x_max =
 								get_unaligned_le16(&report[i + 8]);
 							i += 15;
-						} else if (features->type == WACOM_24HDT) {
+							break;
+
+						case WACOM_24HDT:
 							features->x_max =
 								get_unaligned_le16(&report[i + 3]);
 							features->x_phy =
@@ -410,7 +427,9 @@ static int wacom_parse_hid(struct usb_interface *intf,
 							features->unit = report[i - 1];
 							features->unitExpo = report[i - 3];
 							i += 12;
-						} else {
+							break;
+
+						default:
 							features->x_max =
 								get_unaligned_le16(&report[i + 3]);
 							features->x_phy =
@@ -418,10 +437,11 @@ static int wacom_parse_hid(struct usb_interface *intf,
 							features->unit = report[i + 9];
 							features->unitExpo = report[i + 11];
 							i += 12;
+							break;
 						}
 					} else if (pen) {
 						/* penabled only accepts exact bytes of data */
-						if (features->type == TABLETPC2FG)
+						if (features->type >= TABLETPC)
 							features->pktlen = WACOM_PKGLEN_GRAPHIRE;
 						features->device_type = BTN_TOOL_PEN;
 						features->x_max =
@@ -434,32 +454,40 @@ static int wacom_parse_hid(struct usb_interface *intf,
 			case HID_USAGE_Y:
 				if (usage == WCM_DESKTOP) {
 					if (finger) {
-						int type = features->type;
-
-						if (type == TABLETPC2FG || type == MTSCREEN) {
+						switch (features->type) {
+						case TABLETPC2FG:
+						case MTSCREEN:
+						case MTTPC:
 							features->y_max =
 								get_unaligned_le16(&report[i + 3]);
 							features->y_phy =
 								get_unaligned_le16(&report[i + 6]);
 							i += 7;
-						} else if (type == WACOM_24HDT) {
+							break;
+
+						case WACOM_24HDT:
 							features->y_max =
 								get_unaligned_le16(&report[i + 3]);
 							features->y_phy =
 								get_unaligned_le16(&report[i - 2]);
 							i += 7;
-						} else if (type == BAMBOO_PT) {
+							break;
+
+						case BAMBOO_PT:
 							features->y_phy =
 								get_unaligned_le16(&report[i + 3]);
 							features->y_max =
 								get_unaligned_le16(&report[i + 6]);
 							i += 12;
-						} else {
+							break;
+
+						default:
 							features->y_max =
 								features->x_max;
 							features->y_phy =
 								get_unaligned_le16(&report[i + 3]);
 							i += 4;
+							break;
 						}
 					} else if (pen) {
 						features->y_max =
diff --git a/drivers/input/tablet/wacom_wac.c b/drivers/input/tablet/wacom_wac.c
index c2bfe9242cc5..264138f3217e 100644
--- a/drivers/input/tablet/wacom_wac.c
+++ b/drivers/input/tablet/wacom_wac.c
@@ -467,9 +467,7 @@ static void wacom_intuos_general(struct wacom_wac *wacom)
 	/* general pen packet */
 	if ((data[1] & 0xb8) == 0xa0) {
 		t = (data[6] << 2) | ((data[7] >> 6) & 3);
-		if ((features->type >= INTUOS4S && features->type <= INTUOS4L) ||
-                    (features->type >= INTUOS5S && features->type <= INTUOS5L) ||
-		    (features->type >= WACOM_21UX2 && features->type <= WACOM_24HD)) {
+		if (features->type >= INTUOS4S && features->type <= WACOM_24HD) {
 			t = (t << 1) | (data[1] & 1);
 		}
 		input_report_abs(input, ABS_PRESSURE, t);
@@ -877,6 +875,11 @@ static int wacom_mt_touch(struct wacom_wac *wacom)
 	int i;
 	int current_num_contacts = data[2];
 	int contacts_to_send = 0;
+	int x_offset = 0;
+
+	/* MTTPC does not support Height and Width */
+	if (wacom->features.type == MTTPC)
+		x_offset = -4;
 
 	/*
 	 * First packet resets the counter since only the first
@@ -889,7 +892,7 @@ static int wacom_mt_touch(struct wacom_wac *wacom)
 	contacts_to_send = min(5, wacom->num_contacts_left);
 
 	for (i = 0; i < contacts_to_send; i++) {
-		int offset = (WACOM_BYTES_PER_MT_PACKET * i) + 3;
+		int offset = (WACOM_BYTES_PER_MT_PACKET + x_offset) * i + 3;
 		bool touch = data[offset] & 0x1;
 		int id = le16_to_cpup((__le16 *)&data[offset + 1]);
 		int slot = find_slot_from_contactid(wacom, id);
@@ -900,8 +903,8 @@ static int wacom_mt_touch(struct wacom_wac *wacom)
 		input_mt_slot(input, slot);
 		input_mt_report_slot_state(input, MT_TOOL_FINGER, touch);
 		if (touch) {
-			int x = le16_to_cpup((__le16 *)&data[offset + 7]);
-			int y = le16_to_cpup((__le16 *)&data[offset + 9]);
+			int x = le16_to_cpup((__le16 *)&data[offset + x_offset + 7]);
+			int y = le16_to_cpup((__le16 *)&data[offset + x_offset + 9]);
 			input_report_abs(input, ABS_MT_POSITION_X, x);
 			input_report_abs(input, ABS_MT_POSITION_Y, y);
 		}
@@ -1336,6 +1339,7 @@ void wacom_wac_irq(struct wacom_wac *wacom_wac, size_t len)
 	case TABLETPCE:
 	case TABLETPC2FG:
 	case MTSCREEN:
+	case MTTPC:
 		sync = wacom_tpc_irq(wacom_wac, len);
 		break;
 
@@ -1657,6 +1661,7 @@ int wacom_setup_input_capabilities(struct input_dev *input_dev,
 		/* fall through */
 
 	case MTSCREEN:
+	case MTTPC:
 		if (features->device_type == BTN_TOOL_FINGER) {
 			wacom_wac->slots = kmalloc(features->touch_max *
 							sizeof(int),
@@ -2018,6 +2023,15 @@ static const struct wacom_features wacom_features_0xED =
 static const struct wacom_features wacom_features_0xEF =
 	{ "Wacom ISDv4 EF",       WACOM_PKGLEN_GRAPHIRE,  26202, 16325,  255,
 	  0, TABLETPC, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
+static const struct wacom_features wacom_features_0x100 =
+	{ "Wacom ISDv4 100",      WACOM_PKGLEN_MTTPC,     26202, 16325,  255,
+	  0, MTTPC, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
+static const struct wacom_features wacom_features_0x101 =
+	{ "Wacom ISDv4 101",      WACOM_PKGLEN_MTTPC,     26202, 16325,  255,
+	  0, MTTPC, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
+static const struct wacom_features wacom_features_0x4001 =
+	{ "Wacom ISDv4 4001",      WACOM_PKGLEN_MTTPC,     26202, 16325,  255,
+	  0, MTTPC, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
 static const struct wacom_features wacom_features_0x47 =
 	{ "Wacom Intuos2 6x8",    WACOM_PKGLEN_INTUOS,    20320, 16240, 1023,
 	  31, INTUOS, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
@@ -2195,6 +2209,9 @@ const struct usb_device_id wacom_ids[] = {
 	{ USB_DEVICE_WACOM(0xEC) },
 	{ USB_DEVICE_WACOM(0xED) },
 	{ USB_DEVICE_WACOM(0xEF) },
+	{ USB_DEVICE_WACOM(0x100) },
+	{ USB_DEVICE_WACOM(0x101) },
+	{ USB_DEVICE_WACOM(0x4001) },
 	{ USB_DEVICE_WACOM(0x47) },
 	{ USB_DEVICE_WACOM(0xF4) },
 	{ USB_DEVICE_WACOM(0xF8) },
diff --git a/drivers/input/tablet/wacom_wac.h b/drivers/input/tablet/wacom_wac.h
index 345f1e76975e..9396d7769f86 100644
--- a/drivers/input/tablet/wacom_wac.h
+++ b/drivers/input/tablet/wacom_wac.h
@@ -26,6 +26,7 @@
 #define WACOM_PKGLEN_BBPEN	10
 #define WACOM_PKGLEN_WIRELESS	32
 #define WACOM_PKGLEN_MTOUCH	62
+#define WACOM_PKGLEN_MTTPC	40
 
 /* wacom data size per MT contact */
 #define WACOM_BYTES_PER_MT_PACKET	11
@@ -88,6 +89,7 @@ enum {
 	TABLETPCE,
 	TABLETPC2FG,
 	MTSCREEN,
+	MTTPC,
 	MAX_TYPE
 };