cam_periph_doacquire
void cam_periph_doacquire(struct cam_periph *periph);
cam_periph_doacquire(periph);
cam_periph_doacquire(periph);
cam_periph_doacquire(periph);
cam_periph_doacquire(periph);
cam_periph_doacquire(periph);
cam_periph_doacquire(periph);