HAL_TCL2_RING_BASE_LSB
s->reg_size[0] = HAL_TCL2_RING_BASE_LSB(sc) - HAL_TCL1_RING_BASE_LSB(sc);
s->reg_size[0] = HAL_TCL2_RING_BASE_LSB - HAL_TCL1_RING_BASE_LSB;