HID: hid-lg4ff: Fix "undefined reference" build issue with CONFIG_USB disabled

Fix "undefined reference" build issue with CONFIG_USB disabled; make the
driver use generic HID API instead.

Reported-by: kbuild test robot <fengguang.wu@intel.com>
Signed-off-by: Michal Malý <madcatxster@devoid-pointer.net>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>

diff --git a/drivers/hid/hid-lg4ff.c b/drivers/hid/hid-lg4ff.c
index 854982b..1232210 100644 (file)
--- a/drivers/hid/hid-lg4ff.c
+++ b/drivers/hid/hid-lg4ff.c
@@ -569,19 +569,20 @@ static const struct lg4ff_compat_mode_switch *lg4ff_get_mode_switch_command(cons
 
 static int lg4ff_switch_compatibility_mode(struct hid_device *hid, const struct lg4ff_compat_mode_switch *s)
 {
-       struct usb_device *usbdev = hid_to_usb_dev(hid);
-       struct usbhid_device *usbhid = hid->driver_data;
+       struct list_head *report_list = &hid->report_enum[HID_OUTPUT_REPORT].report_list;
+       struct hid_report *report = list_entry(report_list->next, struct hid_report, list);
+       __s32 *value = report->field[0]->value;
        u8 i;
 
        for (i = 0; i < s->cmd_count; i++) {
-               int xferd, ret;
-               u8 data[7];
+               u8 j;
 
-               memcpy(data, s->cmd + (7*i), 7);
-               ret = usb_interrupt_msg(usbdev, usbhid->urbout->pipe, data, 7, &xferd, USB_CTRL_SET_TIMEOUT);
-               if (ret)
-                       return ret;
+               for (j = 0; j < 7; j++)
+                       value[j] = s->cmd[j + (7*i)];
+
+               hid_hw_request(hid, report, HID_REQ_SET_REPORT);
        }
+       hid_hw_wait(hid);
        return 0;
 }