hidraw_send_report
ret = hidraw_send_report(file, buffer, count, HID_OUTPUT_REPORT);
return hidraw_send_report(file, user_arg, len, HID_FEATURE_REPORT);
return hidraw_send_report(file, user_arg, len, HID_INPUT_REPORT);
return hidraw_send_report(file, user_arg, len, HID_OUTPUT_REPORT);