IC_RAW_INTR_STAT
isr = XI2C_IOREAD(pdata, IC_RAW_INTR_STAT);
XI2C_GET_BITS(isr, IC_RAW_INTR_STAT, STOP_DET));
if (state->ret || XI2C_GET_BITS(isr, IC_RAW_INTR_STAT, STOP_DET))