Merge tag 'v2.6.38' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6

[mv-sheeva.git] / drivers / hid / hid-magicmouse.c

diff --git a/drivers/hid/hid-magicmouse.c b/drivers/hid/hid-magicmouse.c
index e6dc151716643f0997e4eac4dc3d079c368dd15f..698e6459fd0b3cab629e9696b44b0ae10e63ce70 100644 (file)
--- a/drivers/hid/hid-magicmouse.c
+++ b/drivers/hid/hid-magicmouse.c
@@ -12,6 +12,8 @@
  * any later version.
  */
 
+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
+
 #include <linux/device.h>
 #include <linux/hid.h>
 #include <linux/module.h>
@@ -433,6 +435,11 @@ static int magicmouse_input_mapping(struct hid_device *hdev,
        if (!msc->input)
                msc->input = hi->input;
 
+       /* Magic Trackpad does not give relative data after switching to MT */
+       if (hi->input->id.product == USB_DEVICE_ID_APPLE_MAGICTRACKPAD &&
+           field->flags & HID_MAIN_ITEM_RELATIVE)
+               return -1;
+
        return 0;
 }
 
@@ -446,7 +453,7 @@ static int magicmouse_probe(struct hid_device *hdev,
 
        msc = kzalloc(sizeof(*msc), GFP_KERNEL);
        if (msc == NULL) {
-               dev_err(&hdev->dev, "can't alloc magicmouse descriptor\n");
+               hid_err(hdev, "can't alloc magicmouse descriptor\n");
                return -ENOMEM;
        }
 
@@ -459,13 +466,13 @@ static int magicmouse_probe(struct hid_device *hdev,
 
        ret = hid_parse(hdev);
        if (ret) {
-               dev_err(&hdev->dev, "magicmouse hid parse failed\n");
+               hid_err(hdev, "magicmouse hid parse failed\n");
                goto err_free;
        }
 
        ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT);
        if (ret) {
-               dev_err(&hdev->dev, "magicmouse hw start failed\n");
+               hid_err(hdev, "magicmouse hw start failed\n");
                goto err_free;
        }
 
@@ -486,7 +493,7 @@ static int magicmouse_probe(struct hid_device *hdev,
        }
 
        if (!report) {
-               dev_err(&hdev->dev, "unable to register touch report\n");
+               hid_err(hdev, "unable to register touch report\n");
                ret = -ENOMEM;
                goto err_stop_hw;
        }
@@ -495,8 +502,7 @@ static int magicmouse_probe(struct hid_device *hdev,
        ret = hdev->hid_output_raw_report(hdev, feature, sizeof(feature),
                        HID_FEATURE_REPORT);
        if (ret != sizeof(feature)) {
-               dev_err(&hdev->dev, "unable to request touch data (%d)\n",
-                               ret);
+               hid_err(hdev, "unable to request touch data (%d)\n", ret);
                goto err_stop_hw;
        }
 
@@ -540,7 +546,7 @@ static int __init magicmouse_init(void)
 
        ret = hid_register_driver(&magicmouse_driver);
        if (ret)
-               printk(KERN_ERR "can't register magicmouse driver\n");
+               pr_err("can't register magicmouse driver\n");
 
        return ret;
 }