Input: add force feedback driver for PID devices

This replaces the older PID driver which was never completed.

Signed-off-by: Anssi Hannula <anssi.hannula@gmail.com>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>

1 files changed, 11 insertions, 4 deletions

diff --git a/drivers/usb/input/hid.h b/drivers/usb/input/hid.h
index 778e575de352..29f1613bd08c 100644
--- a/drivers/usb/input/hid.h
+++ b/drivers/usb/input/hid.h
@@ -527,14 +527,25 @@ int hid_wait_io(struct hid_device* hid);
 
 #ifdef CONFIG_HID_FF
 int hid_ff_init(struct hid_device *hid);
+
+int hid_lgff_init(struct hid_device *hid);
+int hid_tmff_init(struct hid_device *hid);
+#ifdef CONFIG_HID_PID
+int hid_pidff_init(struct hid_device *hid);
+#else
+static inline int hid_pidff_init(struct hid_device *hid) { return -ENODEV; }
+#endif
+
 #else
 static inline int hid_ff_init(struct hid_device *hid) { return -1; }
 #endif
+
 static inline void hid_ff_exit(struct hid_device *hid)
 {
         if (hid->ff_exit)
                 hid->ff_exit(hid);
 }
+
 static inline int hid_ff_event(struct hid_device *hid, struct input_dev *input,
                         unsigned int type, unsigned int code, int value)
 {
@@ -543,7 +554,3 @@ static inline int hid_ff_event(struct hid_device *hid, struct input_dev *input,
         return -ENOSYS;
 }
 
-int hid_lgff_init(struct hid_device* hid);
-int hid_tmff_init(struct hid_device* hid);
-int hid_pid_init(struct hid_device* hid);
-