REG_RESP_SIFS_CCK
rtw_write16(rtwdev, REG_RESP_SIFS_CCK,
rtw_write8(padapter, REG_RESP_SIFS_CCK, val[0]); /* SIFS_T2T_CCK (0x08) */
rtw_write8(padapter, REG_RESP_SIFS_CCK+1, val[1]); /* SIFS_R2T_CCK(0x08) */