From: Jiri Kosina <jkosina@suse.cz>
Date: Fri, 13 Nov 2009 09:45:53 +0000 (+0100)
Subject: HID: support Logitech/3DConnexion SpaceTraveler and SpaceNavigator
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=24985cf68612a5617d396b0b188cec807641cde1;p=linux-beck.git

HID: support Logitech/3DConnexion SpaceTraveler and SpaceNavigator

These devices wrongly report their axes as relative instead of absolute.

Fix this in up report descriptor of the device before it enters the parser.

Reported-by: simon.windows@gmail.com
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
---

diff --git a/drivers/hid/hid-core.c b/drivers/hid/hid-core.c
index 6d5c84573b3a..30d85a1b414c 100644
--- a/drivers/hid/hid-core.c
+++ b/drivers/hid/hid-core.c
@@ -1324,6 +1324,8 @@ static const struct hid_device_id hid_blacklist[] = {
 	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_MOMO_WHEEL2) },
 	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_G25_WHEEL) },
 	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_RUMBLEPAD2) },
+	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_SPACETRAVELLER) },
+	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_SPACENAVIGATOR) },
 	{ HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_SIDEWINDER_GV) },
 	{ HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_NE4K) },
 	{ HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_LK6K) },
diff --git a/drivers/hid/hid-ids.h b/drivers/hid/hid-ids.h
index 1d99c81ad171..2fd2aae332bc 100644
--- a/drivers/hid/hid-ids.h
+++ b/drivers/hid/hid-ids.h
@@ -305,6 +305,8 @@
 #define USB_DEVICE_ID_S510_RECEIVER_2	0xc517
 #define USB_DEVICE_ID_LOGITECH_CORDLESS_DESKTOP_LX500	0xc512
 #define USB_DEVICE_ID_MX3000_RECEIVER	0xc513
+#define USB_DEVICE_ID_SPACETRAVELLER	0xc623
+#define USB_DEVICE_ID_SPACENAVIGATOR	0xc626
 #define USB_DEVICE_ID_DINOVO_DESKTOP	0xc704
 #define USB_DEVICE_ID_DINOVO_EDGE	0xc714
 #define USB_DEVICE_ID_DINOVO_MINI	0xc71f
diff --git a/drivers/hid/hid-lg.c b/drivers/hid/hid-lg.c
index 0f870a3243ed..8e28f1dc40a6 100644
--- a/drivers/hid/hid-lg.c
+++ b/drivers/hid/hid-lg.c
@@ -33,6 +33,7 @@
 #define LG_NOGET		0x100
 #define LG_FF			0x200
 #define LG_FF2			0x400
+#define LG_RDESC_REL_ABS	0x800
 
 /*
  * Certain Logitech keyboards send in report #3 keys which are far
@@ -51,6 +52,13 @@ static void lg_report_fixup(struct hid_device *hdev, __u8 *rdesc,
 		rdesc[84] = rdesc[89] = 0x4d;
 		rdesc[85] = rdesc[90] = 0x10;
 	}
+	if ((quirks & LG_RDESC_REL_ABS) && rsize >= 50 &&
+			rdesc[32] == 0x81 && rdesc[33] == 0x06 &&
+			rdesc[49] == 0x81 && rdesc[50] == 0x06) {
+		dev_info(&hdev->dev, "fixing up rel/abs in Logitech "
+				"report descriptor\n");
+		rdesc[33] = rdesc[50] = 0x02;
+	}
 }
 
 #define lg_map_key_clear(c)	hid_map_usage_clear(hi, usage, bit, max, \
@@ -303,8 +311,13 @@ static const struct hid_device_id lg_devices[] = {
 		.driver_data = LG_FF },
 	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_RUMBLEPAD2),
 		.driver_data = LG_FF2 },
+	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_SPACENAVIGATOR),
+		.driver_data = LG_RDESC_REL_ABS },
+	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_SPACETRAVELLER),
+		.driver_data = LG_RDESC_REL_ABS },
 	{ }
 };
+
 MODULE_DEVICE_TABLE(hid, lg_devices);
 
 static struct hid_driver lg_driver = {