1 files changed, 33 insertions, 0 deletions

diff --git a/drivers/hid/hid-lg.c b/drivers/hid/hid-lg.c
index 0f870a3243ed..9fcd3d017ab3 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, \
@@ -89,6 +97,22 @@ static int lg_ultrax_remote_mapping(struct hid_input *hi,
         return 1;
 }
 
+static int lg_dinovo_mapping(struct hid_input *hi, struct hid_usage *usage,
+                unsigned long **bit, int *max)
+{
+        if ((usage->hid & HID_USAGE_PAGE) != HID_UP_LOGIVENDOR)
+                return 0;
+
+        switch (usage->hid & HID_USAGE) {
+
+        case 0x00d: lg_map_key_clear(KEY_MEDIA);        break;
+        default:
+                return 0;
+
+        }
+        return 1;
+}
+
 static int lg_wireless_mapping(struct hid_input *hi, struct hid_usage *usage,
                 unsigned long **bit, int *max)
 {
@@ -164,6 +188,10 @@ static int lg_input_mapping(struct hid_device *hdev, struct hid_input *hi,
                         lg_ultrax_remote_mapping(hi, usage, bit, max))
                 return 1;
 
+        if (hdev->product == USB_DEVICE_ID_DINOVO_MINI &&
+                        lg_dinovo_mapping(hi, usage, bit, max))
+                return 1;
+
         if ((quirks & LG_WIRELESS) && lg_wireless_mapping(hi, usage, bit, max))
                 return 1;
 
@@ -303,8 +331,13 @@ 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 = {