diff --git a/class/hid/usbh_hid.c b/class/hid/usbh_hid.c index 6af1fc6d..9323688a 100644 --- a/class/hid/usbh_hid.c +++ b/class/hid/usbh_hid.c @@ -90,7 +90,6 @@ static int usbh_hid_get_report_descriptor(struct usbh_hid *hid_class, uint8_t *b int usbh_hid_set_idle(struct usbh_hid *hid_class, uint8_t report_id, uint8_t duration) { struct usb_setup_packet *setup = hid_class->hport->setup; - int ret; setup->bmRequestType = USB_REQUEST_DIR_OUT | USB_REQUEST_CLASS | USB_REQUEST_RECIPIENT_INTERFACE; setup->bRequest = HID_REQUEST_SET_IDLE; @@ -98,18 +97,12 @@ int usbh_hid_set_idle(struct usbh_hid *hid_class, uint8_t report_id, uint8_t dur setup->wIndex = (duration << 8) | hid_class->intf; setup->wLength = 0; - ret = usbh_control_transfer(hid_class->hport->ep0, setup, NULL); - if (ret < 0) { - return ret; - } - - return 0; + return usbh_control_transfer(hid_class->hport->ep0, setup, NULL); } int usbh_hid_get_idle(struct usbh_hid *hid_class, uint8_t *buffer) { struct usb_setup_packet *setup = hid_class->hport->setup; - int ret; setup->bmRequestType = USB_REQUEST_DIR_IN | USB_REQUEST_CLASS | USB_REQUEST_RECIPIENT_INTERFACE; setup->bRequest = HID_REQUEST_GET_IDLE; @@ -117,12 +110,7 @@ int usbh_hid_get_idle(struct usbh_hid *hid_class, uint8_t *buffer) setup->wIndex = hid_class->intf; setup->wLength = 1; - ret = usbh_control_transfer(hid_class->hport->ep0, setup, buffer); - if (ret < 0) { - return ret; - } - - return 0; + return usbh_control_transfer(hid_class->hport->ep0, setup, buffer); } int usbh_hid_connect(struct usbh_hubport *hport, uint8_t intf)