[PATCH] Generic HID layer - pb_fnmode

pb_fnmode parameter has to be passed to usbhid, both for compatibility reasons
and also because it logically belongs there.

Also removes empty hid-input.c file in drivers/usb/input.

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>

drivers/hid/hid-input.c

@@ -128,12 +128,6 @@ static struct hidinput_key_translation powerbook_iso_keyboard[] = {
 	{ }
 };
 
-
-static int usbhid_pb_fnmode = 1;
-module_param_named(pb_fnmode, usbhid_pb_fnmode, int, 0644);
-MODULE_PARM_DESC(pb_fnmode,
-		"Mode of fn key on PowerBooks (0 = disabled, 1 = fkeyslast, 2 = fkeysfirst)");
-
 static struct hidinput_key_translation *find_translation(struct hidinput_key_translation *table, u16 from)
 {
 	struct hidinput_key_translation *trans;
@@ -160,7 +154,7 @@ static int hidinput_pb_event(struct hid_device *hid, struct input_dev *input,
 		return 1;
 	}
 
-	if (usbhid_pb_fnmode) {
+	if (hid->pb_fnmode) {
 		int do_translate;
 
 		trans = find_translation(powerbook_fn_keys, usage->code);
@@ -169,8 +163,8 @@ static int hidinput_pb_event(struct hid_device *hid, struct input_dev *input,
 				do_translate = 1;
 			else if (trans->flags & POWERBOOK_FLAG_FKEY)
 				do_translate =
-					(usbhid_pb_fnmode == 2 &&  (hid->quirks & HID_QUIRK_POWERBOOK_FN_ON)) ||
-					(usbhid_pb_fnmode == 1 && !(hid->quirks & HID_QUIRK_POWERBOOK_FN_ON));
+					(hid->pb_fnmode == 2 &&  (hid->quirks & HID_QUIRK_POWERBOOK_FN_ON)) ||
+					(hid->pb_fnmode == 1 && !(hid->quirks & HID_QUIRK_POWERBOOK_FN_ON));
 			else
 				do_translate = (hid->quirks & HID_QUIRK_POWERBOOK_FN_ON);
 

drivers/usb/input/hid-core.c

@@ -56,6 +56,11 @@ static unsigned int hid_mousepoll_interval;
 module_param_named(mousepoll, hid_mousepoll_interval, uint, 0644);
 MODULE_PARM_DESC(mousepoll, "Polling interval of mice");
 
+static int usbhid_pb_fnmode = 1;
+module_param_named(pb_fnmode, usbhid_pb_fnmode, int, 0644);
+MODULE_PARM_DESC(pb_fnmode,
+		"Mode of fn key on PowerBooks (0 = disabled, 1 = fkeyslast, 2 = fkeysfirst)");
+
 /*
  * Input submission and I/O error handler.
  */
@@ -1232,6 +1237,9 @@ static struct hid_device *usb_hid_configure(struct usb_interface *intf)
 	hid->hiddev_hid_event = hiddev_hid_event;
 	hid->hiddev_report_event = hiddev_report_event;
 #endif
+#ifdef CONFIG_USB_HIDINPUT_POWERBOOK
+	hid->pb_fnmode = usbhid_pb_fnmode;
+#endif
 
 	return hid;
 

include/linux/hid.h

@@ -438,6 +438,7 @@ struct hid_device {							/* device report descriptor */
 				  struct hid_usage *, __s32);
 	void (*hiddev_report_event) (struct hid_device *, struct hid_report *);
 #ifdef CONFIG_USB_HIDINPUT_POWERBOOK
+	unsigned int  pb_fnmode;
 	unsigned long pb_pressed_fn[NBITS(KEY_MAX)];
 	unsigned long pb_pressed_numlock[NBITS(KEY_MAX)];
 #endif