[PATCH] Generic HID layer - API

- fixed generic API (added neccessary EXPORT_SYMBOL, fixed hid.h to provide correct
  prototypes)
- extended hid_device with open/close/event function pointers to driver-specific
  functions
- added driver specific driver_data to hid_device

Signed-off-by: Jiri Kosina <jkosina@suse.cz>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Cc: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

3 files changed, 11 insertions, 2 deletions

diff --git a/drivers/usb/input/hid-core.c b/drivers/usb/input/hid-core.c
index 06e169b6a17e..462947f74135 100644
--- a/drivers/usb/input/hid-core.c
+++ b/drivers/usb/input/hid-core.c
@@ -497,7 +497,7 @@ void hid_submit_report(struct hid_device *hid, struct hid_report *report, unsign
         spin_unlock_irqrestore(&hid->ctrllock, flags);
 }
 
-static int hidinput_input_event(struct input_dev *dev, unsigned int type, unsigned int code, int value)
+static int usb_hidinput_input_event(struct input_dev *dev, unsigned int type, unsigned int code, int value)
 {
         struct hid_device *hid = dev->private;
         struct hid_field *field;
@@ -1231,6 +1231,10 @@ static struct hid_device *usb_hid_configure(struct usb_interface *intf)
                          le16_to_cpu(dev->descriptor.idVendor),
                          le16_to_cpu(dev->descriptor.idProduct));
 
+        hid->bus = BUS_USB;
+        hid->vendor = dev->descriptor.idVendor;
+        hid->product = dev->descriptor.idProduct;
+
         usb_make_path(dev, hid->phys, sizeof(hid->phys));
         strlcat(hid->phys, "/input", sizeof(hid->phys));
         len = strlen(hid->phys);
@@ -1250,6 +1254,9 @@ static struct hid_device *usb_hid_configure(struct usb_interface *intf)
         hid->urbctrl->setup_dma = hid->cr_dma;
         hid->urbctrl->transfer_dma = hid->ctrlbuf_dma;
         hid->urbctrl->transfer_flags |= (URB_NO_TRANSFER_DMA_MAP | URB_NO_SETUP_DMA_MAP);
+        hid->hidinput_input_event = usb_hidinput_input_event;
+        hid->hidinput_open = hidinput_open;
+        hid->hidinput_close = hidinput_close;
 
         return hid;
 
diff --git a/drivers/usb/input/hid-ff.c b/drivers/usb/input/hid-ff.c
index 4187f4ee9a9c..7ecdafa8eb7b 100644
--- a/drivers/usb/input/hid-ff.c
+++ b/drivers/usb/input/hid-ff.c
@@ -79,3 +79,5 @@ int hid_ff_init(struct hid_device* hid)
 
         return init->init(hid);
 }
+EXPORT_SYMBOL_GPL(hid_ff_init);
+
diff --git a/drivers/usb/input/hiddev.c b/drivers/usb/input/hiddev.c
index cbd3b60d93bb..07d7996575cd 100644
--- a/drivers/usb/input/hiddev.c
+++ b/drivers/usb/input/hiddev.c
@@ -197,7 +197,7 @@ void hiddev_hid_event(struct hid_device *hid, struct hid_field *field,
 
         hiddev_send_event(hid, &uref);
 }
-
+EXPORT_SYMBOL_GPL(hiddev_hid_event);
 
 void hiddev_report_event(struct hid_device *hid, struct hid_report *report)
 {