docs: async function enableHID() {
    const usbConfig = getstrprop('sys.usb.state');
    if (!usbConfig.startsWith('hid,')) {
      log.warn('HID function does not seem to be enabled.');
      const usbConfigWithHid = `hid,${usbConfig}`;
      log.info(`changing USB config to ${usbConfigWithHid}`);
  
      // WARNING!  If this device is not Kenzo or this otherwise fails, it's likely
      // that adb access will be lost until the next reboot
      setprop('sys.usb.config', usbConfigWithHid);
  
      // Wait for USB to be reconfigured.
      await sleep(1000);
  
      const newUsbConfig = getstrprop('sys.usb.state');
      if (newUsbConfig !== usbConfigWithHid) {
        throw new Error(`USB config expected to be ${usbConfigWithHid}, but it was ${newUsbConfig}`);
      }
    }
  
    // Ensure the two HID devices are present
    Promise.all(
      ['/dev/hidg0', '/dev/hidg1'].map(
        file => fs.access(file, fs.constants.R_OK | fs.constants.W_OK)
      )
    );
  }