ath3k_get_state
ret = ath3k_get_state(hdl, &fw_state);
ret = ath3k_get_state(hdl, &fw_state);
ret = ath3k_get_state(hdl, &fw_state);
extern int ath3k_get_state(struct libusb_device_handle *hdl,
r = ath3k_get_state(hdl, &state);