CMD2_HWTRIG
devpriv->cmd2 &= ~(CMD2_SWTRIG | CMD2_HWTRIG | CMD2_PRETRIG);
devpriv->cmd2 &= ~(CMD2_SWTRIG | CMD2_HWTRIG | CMD2_PRETRIG);
devpriv->cmd2 |= CMD2_HWTRIG;
devpriv->cmd2 |= (CMD2_HWTRIG | CMD2_PRETRIG);