Merge branch 'linus' into release

Conflicts:
	arch/x86/kernel/acpi/sleep.c

Signed-off-by: Len Brown <len.brown@intel.com>

1 files changed, 64 insertions, 12 deletions

diff --git a/drivers/hid/hid-multitouch.c b/drivers/hid/hid-multitouch.c
index 07d3183fdde..ee01e65e22d 100644
--- a/drivers/hid/hid-multitouch.c
+++ b/drivers/hid/hid-multitouch.c
@@ -5,6 +5,12 @@
  *  Copyright (c) 2010-2011 Benjamin Tissoires <benjamin.tissoires@gmail.com>
  *  Copyright (c) 2010-2011 Ecole Nationale de l'Aviation Civile, France
  *
+ *  This code is partly based on hid-egalax.c:
+ *
+ *  Copyright (c) 2010 Stephane Chatty <chatty@enac.fr>
+ *  Copyright (c) 2010 Henrik Rydberg <rydberg@euromail.se>
+ *  Copyright (c) 2010 Canonical, Ltd.
+ *
  */
 
 /*
@@ -24,6 +30,7 @@
 
 
 MODULE_AUTHOR("Stephane Chatty <chatty@enac.fr>");
+MODULE_AUTHOR("Benjamin Tissoires <benjamin.tissoires@gmail.com>");
 MODULE_DESCRIPTION("HID multitouch panels");
 MODULE_LICENSE("GPL");
 
@@ -36,6 +43,7 @@ MODULE_LICENSE("GPL");
 #define MT_QUIRK_SLOT_IS_CONTACTNUMBER	(1 << 3)
 #define MT_QUIRK_VALID_IS_INRANGE	(1 << 4)
 #define MT_QUIRK_VALID_IS_CONFIDENCE	(1 << 5)
+#define MT_QUIRK_EGALAX_XYZ_FIXUP	(1 << 6)
 
 struct mt_slot {
 	__s32 x, y, p, w, h;
@@ -65,10 +73,11 @@ struct mt_class {
 };
 
 /* classes of device behavior */
-#define MT_CLS_DEFAULT	1
-#define MT_CLS_DUAL1	2
-#define MT_CLS_DUAL2	3
-#define MT_CLS_CYPRESS	4
+#define MT_CLS_DEFAULT				1
+#define MT_CLS_DUAL_INRANGE_CONTACTID		2
+#define MT_CLS_DUAL_INRANGE_CONTACTNUMBER	3
+#define MT_CLS_CYPRESS				4
+#define MT_CLS_EGALAX				5
 
 /*
  * these device-dependent functions determine what slot corresponds
@@ -104,13 +113,13 @@ static int find_slot_from_contactid(struct mt_device *td)
 
 struct mt_class mt_classes[] = {
 	{ .name = MT_CLS_DEFAULT,
-		.quirks = MT_QUIRK_VALID_IS_INRANGE,
+		.quirks = MT_QUIRK_NOT_SEEN_MEANS_UP,
 		.maxcontacts = 10 },
-	{ .name = MT_CLS_DUAL1,
+	{ .name = MT_CLS_DUAL_INRANGE_CONTACTID,
 		.quirks = MT_QUIRK_VALID_IS_INRANGE |
 			MT_QUIRK_SLOT_IS_CONTACTID,
 		.maxcontacts = 2 },
-	{ .name = MT_CLS_DUAL2,
+	{ .name = MT_CLS_DUAL_INRANGE_CONTACTNUMBER,
 		.quirks = MT_QUIRK_VALID_IS_INRANGE |
 			MT_QUIRK_SLOT_IS_CONTACTNUMBER,
 		.maxcontacts = 2 },
@@ -119,10 +128,18 @@ struct mt_class mt_classes[] = {
 			MT_QUIRK_CYPRESS,
 		.maxcontacts = 10 },
 
+	{ .name = MT_CLS_EGALAX,
+		.quirks =  MT_QUIRK_SLOT_IS_CONTACTID |
+			MT_QUIRK_VALID_IS_INRANGE |
+			MT_QUIRK_EGALAX_XYZ_FIXUP,
+		.maxcontacts = 2,
+		.sn_move = 4096,
+		.sn_pressure = 32,
+	},
 	{ }
 };
 
-static void mt_feature_mapping(struct hid_device *hdev, struct hid_input *hi,
+static void mt_feature_mapping(struct hid_device *hdev,
 		struct hid_field *field, struct hid_usage *usage)
 {
 	if (usage->hid == HID_DG_INPUTMODE) {
@@ -146,11 +163,15 @@ static int mt_input_mapping(struct hid_device *hdev, struct hid_input *hi,
 {
 	struct mt_device *td = hid_get_drvdata(hdev);
 	struct mt_class *cls = td->mtclass;
+	__s32 quirks = cls->quirks;
+
 	switch (usage->hid & HID_USAGE_PAGE) {
 
 	case HID_UP_GENDESK:
 		switch (usage->hid) {
 		case HID_GD_X:
+			if (quirks & MT_QUIRK_EGALAX_XYZ_FIXUP)
+				field->logical_maximum = 32760;
 			hid_map_usage(hi, usage, bit, max,
 					EV_ABS, ABS_MT_POSITION_X);
 			set_abs(hi->input, ABS_MT_POSITION_X, field,
@@ -160,6 +181,8 @@ static int mt_input_mapping(struct hid_device *hdev, struct hid_input *hi,
 			td->last_slot_field = usage->hid;
 			return 1;
 		case HID_GD_Y:
+			if (quirks & MT_QUIRK_EGALAX_XYZ_FIXUP)
+				field->logical_maximum = 32760;
 			hid_map_usage(hi, usage, bit, max,
 					EV_ABS, ABS_MT_POSITION_Y);
 			set_abs(hi->input, ABS_MT_POSITION_Y, field,
@@ -203,6 +226,8 @@ static int mt_input_mapping(struct hid_device *hdev, struct hid_input *hi,
 			td->last_slot_field = usage->hid;
 			return 1;
 		case HID_DG_TIPPRESSURE:
+			if (quirks & MT_QUIRK_EGALAX_XYZ_FIXUP)
+				field->logical_minimum = 0;
 			hid_map_usage(hi, usage, bit, max,
 					EV_ABS, ABS_MT_PRESSURE);
 			set_abs(hi->input, ABS_MT_PRESSURE, field,
@@ -363,8 +388,11 @@ static int mt_event(struct hid_device *hid, struct hid_field *field,
 			return 0;
 		}
 
-		if (usage->hid == td->last_slot_field)
+		if (usage->hid == td->last_slot_field) {
 			mt_complete_slot(td);
+			if (!td->last_field_index)
+				mt_emit_event(td, field->hidinput->input);
+		}
 
 		if (field->index == td->last_field_index
 			&& td->num_received >= td->num_expected)
@@ -466,18 +494,42 @@ static const struct hid_device_id mt_devices[] = {
 			USB_DEVICE_ID_CYPRESS_TRUETOUCH) },
 
 	/* GeneralTouch panel */
-	{ .driver_data = MT_CLS_DUAL2,
+	{ .driver_data = MT_CLS_DUAL_INRANGE_CONTACTNUMBER,
 		HID_USB_DEVICE(USB_VENDOR_ID_GENERAL_TOUCH,
 			USB_DEVICE_ID_GENERAL_TOUCH_WIN7_TWOFINGERS) },
 
+	/* IRTOUCH panels */
+	{ .driver_data = MT_CLS_DUAL_INRANGE_CONTACTID,
+		HID_USB_DEVICE(USB_VENDOR_ID_IRTOUCHSYSTEMS,
+			USB_DEVICE_ID_IRTOUCH_INFRARED_USB) },
+
 	/* PixCir-based panels */
-	{ .driver_data = MT_CLS_DUAL1,
+	{ .driver_data = MT_CLS_DUAL_INRANGE_CONTACTID,
 		HID_USB_DEVICE(USB_VENDOR_ID_HANVON,
 			USB_DEVICE_ID_HANVON_MULTITOUCH) },
-	{ .driver_data = MT_CLS_DUAL1,
+	{ .driver_data = MT_CLS_DUAL_INRANGE_CONTACTID,
 		HID_USB_DEVICE(USB_VENDOR_ID_CANDO,
 			USB_DEVICE_ID_CANDO_PIXCIR_MULTI_TOUCH) },
 
+	/* Resistive eGalax devices */
+	{  .driver_data = MT_CLS_EGALAX,
+		HID_USB_DEVICE(USB_VENDOR_ID_DWAV,
+			USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH) },
+	{  .driver_data = MT_CLS_EGALAX,
+		HID_USB_DEVICE(USB_VENDOR_ID_DWAV,
+			USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH3) },
+
+	/* Capacitive eGalax devices */
+	{  .driver_data = MT_CLS_EGALAX,
+		HID_USB_DEVICE(USB_VENDOR_ID_DWAV,
+			USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH1) },
+	{  .driver_data = MT_CLS_EGALAX,
+		HID_USB_DEVICE(USB_VENDOR_ID_DWAV,
+			USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH2) },
+	{  .driver_data = MT_CLS_EGALAX,
+		HID_USB_DEVICE(USB_VENDOR_ID_DWAV,
+			USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH4) },
+
 	{ }
 };
 MODULE_DEVICE_TABLE(hid, mt_devices);