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Date:	Fri, 28 Mar 2014 10:32:24 -0700
From:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:	linux-kernel@...r.kernel.org
Cc:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	stable@...r.kernel.org, Jason Gerecke <killertofu@...il.com>,
	Chris Bagwell <chris@...bagwell.com>,
	Ping Cheng <pingc@...om.com>,
	Dmitry Torokhov <dmitry.torokhov@...il.com>,
	Josh Boyer <jwboyer@...oraproject.org>
Subject: [PATCH 3.13 40/46] Input: wacom - add support for three new Intuos devices

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

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

From: Ping Cheng <pinglinux@...il.com>

commit b5fd2a3e92ca5c8c1f3c20d31ac5daed3ec4d604 upstream.

Two tablets in this series support both pen and touch. One (Intuos S)
only supports pen. This patch also updates the driver to process wireless
devices that do not support touch interface.

Tested-by: Jason Gerecke <killertofu@...il.com>
Reviewed-by: Chris Bagwell <chris@...bagwell.com>
Signed-off-by: Ping Cheng <pingc@...om.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@...il.com>
Cc: Josh Boyer <jwboyer@...oraproject.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>

---
 drivers/input/tablet/wacom_sys.c |    6 +--
 drivers/input/tablet/wacom_wac.c |   61 +++++++++++++++++++++++++++++----------
 drivers/input/tablet/wacom_wac.h |    2 +
 3 files changed, 51 insertions(+), 18 deletions(-)

--- a/drivers/input/tablet/wacom_sys.c
+++ b/drivers/input/tablet/wacom_sys.c
@@ -1202,7 +1202,8 @@ static void wacom_wireless_work(struct w
 			goto fail;
 
 		/* Touch interface */
-		if (wacom_wac1->features.touch_max) {
+		if (wacom_wac1->features.touch_max ||
+		    wacom_wac1->features.type == INTUOSHT) {
 			wacom_wac2->features =
 				*((struct wacom_features *)id->driver_info);
 			wacom_wac2->features.pktlen = WACOM_PKGLEN_BBTOUCH3;
@@ -1325,7 +1326,7 @@ static int wacom_probe(struct usb_interf
 	 * HID descriptor. If this is the touch interface (wMaxPacketSize
 	 * of WACOM_PKGLEN_BBTOUCH3), override the table values.
 	 */
-	if (features->type >= INTUOS5S && features->type <= INTUOSPL) {
+	if (features->type >= INTUOS5S && features->type <= INTUOSHT) {
 		if (endpoint->wMaxPacketSize == WACOM_PKGLEN_BBTOUCH3) {
 			features->device_type = BTN_TOOL_FINGER;
 			features->pktlen = WACOM_PKGLEN_BBTOUCH3;
@@ -1395,7 +1396,6 @@ static int wacom_probe(struct usb_interf
 			goto fail5;
 		}
 	}
-
 	return 0;
 
  fail5: wacom_destroy_leds(wacom);
--- a/drivers/input/tablet/wacom_wac.c
+++ b/drivers/input/tablet/wacom_wac.c
@@ -1176,10 +1176,16 @@ static void wacom_bpt3_touch_msg(struct
 static void wacom_bpt3_button_msg(struct wacom_wac *wacom, unsigned char *data)
 {
 	struct input_dev *input = wacom->input;
+	struct wacom_features *features = &wacom->features;
 
-	input_report_key(input, BTN_LEFT, (data[1] & 0x08) != 0);
+	if (features->type == INTUOSHT) {
+		input_report_key(input, BTN_LEFT, (data[1] & 0x02) != 0);
+		input_report_key(input, BTN_BACK, (data[1] & 0x08) != 0);
+	} else {
+		input_report_key(input, BTN_BACK, (data[1] & 0x02) != 0);
+		input_report_key(input, BTN_LEFT, (data[1] & 0x08) != 0);
+	}
 	input_report_key(input, BTN_FORWARD, (data[1] & 0x04) != 0);
-	input_report_key(input, BTN_BACK, (data[1] & 0x02) != 0);
 	input_report_key(input, BTN_RIGHT, (data[1] & 0x01) != 0);
 }
 
@@ -1217,7 +1223,7 @@ static int wacom_bpt_pen(struct wacom_wa
 	unsigned char *data = wacom->data;
 	int prox = 0, x = 0, y = 0, p = 0, d = 0, pen = 0, btn1 = 0, btn2 = 0;
 
-	if (data[0] != 0x02)
+	if (data[0] != WACOM_REPORT_PENABLED)
 	    return 0;
 
 	prox = (data[1] & 0x20) == 0x20;
@@ -1297,7 +1303,7 @@ static int wacom_wireless_irq(struct wac
 	unsigned char *data = wacom->data;
 	int connected;
 
-	if (len != WACOM_PKGLEN_WIRELESS || data[0] != 0x80)
+	if (len != WACOM_PKGLEN_WIRELESS || data[0] != WACOM_REPORT_WL)
 		return 0;
 
 	connected = data[1] & 0x01;
@@ -1391,6 +1397,7 @@ void wacom_wac_irq(struct wacom_wac *wac
 		break;
 
 	case BAMBOO_PT:
+	case INTUOSHT:
 		sync = wacom_bpt_irq(wacom_wac, len);
 		break;
 
@@ -1459,7 +1466,7 @@ void wacom_setup_device_quirks(struct wa
 
 	/* these device have multiple inputs */
 	if (features->type >= WIRELESS ||
-	    (features->type >= INTUOS5S && features->type <= INTUOSPL) ||
+	    (features->type >= INTUOS5S && features->type <= INTUOSHT) ||
 	    (features->oVid && features->oPid))
 		features->quirks |= WACOM_QUIRK_MULTI_INPUT;
 
@@ -1771,33 +1778,43 @@ int wacom_setup_input_capabilities(struc
 		__set_bit(INPUT_PROP_POINTER, input_dev->propbit);
 		break;
 
+	case INTUOSHT:
 	case BAMBOO_PT:
 		__clear_bit(ABS_MISC, input_dev->absbit);
 
-		__set_bit(INPUT_PROP_POINTER, input_dev->propbit);
-
 		if (features->device_type == BTN_TOOL_FINGER) {
-			unsigned int flags = INPUT_MT_POINTER;
 
 			__set_bit(BTN_LEFT, input_dev->keybit);
 			__set_bit(BTN_FORWARD, input_dev->keybit);
 			__set_bit(BTN_BACK, input_dev->keybit);
 			__set_bit(BTN_RIGHT, input_dev->keybit);
 
-			if (features->pktlen == WACOM_PKGLEN_BBTOUCH3) {
-				input_set_abs_params(input_dev,
+			if (features->touch_max) {
+				/* touch interface */
+				unsigned int flags = INPUT_MT_POINTER;
+
+				__set_bit(INPUT_PROP_POINTER, input_dev->propbit);
+				if (features->pktlen == WACOM_PKGLEN_BBTOUCH3) {
+					input_set_abs_params(input_dev,
 						     ABS_MT_TOUCH_MAJOR,
 						     0, features->x_max, 0, 0);
-				input_set_abs_params(input_dev,
+					input_set_abs_params(input_dev,
 						     ABS_MT_TOUCH_MINOR,
 						     0, features->y_max, 0, 0);
+				} else {
+					__set_bit(BTN_TOOL_FINGER, input_dev->keybit);
+					__set_bit(BTN_TOOL_DOUBLETAP, input_dev->keybit);
+					flags = 0;
+				}
+				input_mt_init_slots(input_dev, features->touch_max, flags);
 			} else {
-				__set_bit(BTN_TOOL_FINGER, input_dev->keybit);
-				__set_bit(BTN_TOOL_DOUBLETAP, input_dev->keybit);
-				flags = 0;
+				/* buttons/keys only interface */
+				__clear_bit(ABS_X, input_dev->absbit);
+				__clear_bit(ABS_Y, input_dev->absbit);
+				__clear_bit(BTN_TOUCH, input_dev->keybit);
 			}
-			input_mt_init_slots(input_dev, features->touch_max, flags);
 		} else if (features->device_type == BTN_TOOL_PEN) {
+			__set_bit(INPUT_PROP_POINTER, input_dev->propbit);
 			__set_bit(BTN_TOOL_RUBBER, input_dev->keybit);
 			__set_bit(BTN_TOOL_PEN, input_dev->keybit);
 			__set_bit(BTN_STYLUS, input_dev->keybit);
@@ -2200,6 +2217,17 @@ static const struct wacom_features wacom
 static const struct wacom_features wacom_features_0x301 =
 	{ "Wacom Bamboo One M",    WACOM_PKGLEN_BBPEN,    21648, 13530, 1023,
 	  31, BAMBOO_PT, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
+static const struct wacom_features wacom_features_0x302 =
+	{ "Wacom Intuos PT S",     WACOM_PKGLEN_BBPEN,    15200,  9500, 1023,
+	  31, INTUOSHT, WACOM_INTUOS_RES, WACOM_INTUOS_RES,
+	  .touch_max = 16 };
+static const struct wacom_features wacom_features_0x303 =
+	{ "Wacom Intuos PT M",     WACOM_PKGLEN_BBPEN,    21600, 13500, 1023,
+	  31, INTUOSHT, WACOM_INTUOS_RES, WACOM_INTUOS_RES,
+	  .touch_max = 16 };
+static const struct wacom_features wacom_features_0x30E =
+	{ "Wacom Intuos S",        WACOM_PKGLEN_BBPEN,    15200,  9500, 1023,
+	  31, INTUOSHT, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
 static const struct wacom_features wacom_features_0x6004 =
 	{ "ISD-V4",               WACOM_PKGLEN_GRAPHIRE,  12800,  8000,  255,
 	  0, TABLETPC, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
@@ -2337,6 +2365,9 @@ const struct usb_device_id wacom_ids[] =
 	{ USB_DEVICE_WACOM(0x10F) },
 	{ USB_DEVICE_WACOM(0x300) },
 	{ USB_DEVICE_WACOM(0x301) },
+	{ USB_DEVICE_DETAILED(0x302, USB_CLASS_HID, 0, 0) },
+	{ USB_DEVICE_DETAILED(0x303, USB_CLASS_HID, 0, 0) },
+	{ USB_DEVICE_DETAILED(0x30E, USB_CLASS_HID, 0, 0) },
 	{ USB_DEVICE_WACOM(0x304) },
 	{ USB_DEVICE_DETAILED(0x314, USB_CLASS_HID, 0, 0) },
 	{ USB_DEVICE_DETAILED(0x315, USB_CLASS_HID, 0, 0) },
--- a/drivers/input/tablet/wacom_wac.h
+++ b/drivers/input/tablet/wacom_wac.h
@@ -54,6 +54,7 @@
 #define WACOM_REPORT_TPCST		16
 #define WACOM_REPORT_TPC1FGE		18
 #define WACOM_REPORT_24HDT		1
+#define WACOM_REPORT_WL			128
 
 /* device quirks */
 #define WACOM_QUIRK_MULTI_INPUT		0x0001
@@ -81,6 +82,7 @@ enum {
 	INTUOSPS,
 	INTUOSPM,
 	INTUOSPL,
+	INTUOSHT,
 	WACOM_21UX2,
 	WACOM_22HD,
 	DTK,


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