}
}
+static int usbhid_idle(struct hid_device *hid, int report, int idle,
+ int reqtype)
+{
+ struct usb_device *dev = hid_to_usb_dev(hid);
+ struct usb_interface *intf = to_usb_interface(hid->dev.parent);
+ struct usb_host_interface *interface = intf->cur_altsetting;
+ int ifnum = interface->desc.bInterfaceNumber;
+
+ if (reqtype != HID_REQ_SET_IDLE)
+ return -EINVAL;
+
+ return hid_set_idle(dev, ifnum, report, idle);
+}
+
static struct hid_ll_driver usb_hid_driver = {
.parse = usbhid_parse,
.start = usbhid_start,
.hidinput_input_event = usb_hidinput_input_event,
.request = usbhid_request,
.wait = usbhid_wait_io,
+ .idle = usbhid_idle,
};
static int usbhid_probe(struct usb_interface *intf, const struct usb_device_id *id)
* shouldn't allocate anything to not leak memory
* @request: send report request to device (e.g. feature report)
* @wait: wait for buffered io to complete (send/recv reports)
+ * @idle: send idle request to device
*/
struct hid_ll_driver {
int (*start)(struct hid_device *hdev);
struct hid_report *report, int reqtype);
int (*wait)(struct hid_device *hdev);
+ int (*idle)(struct hid_device *hdev, int report, int idle, int reqtype);
};
}
/**
+ * hid_hw_idle - send idle request to device
+ *
+ * @hdev: hid device
+ * @report: report to control
+ * @idle: idle state
+ * @reqtype: hid request type
+ */
+static inline int hid_hw_idle(struct hid_device *hdev, int report, int idle,
+ int reqtype)
+{
+ if (hdev->ll_driver->idle)
+ return hdev->ll_driver->idle(hdev, report, idle, reqtype);
+
+ return 0;
+}
+
+/**
* hid_hw_wait - wait for buffered io to complete
*
* @hdev: hid device