fsi_reg_read
*(buf + i) = (u16)(fsi_reg_read(fsi, DIDT) >> 8);
*(buf + i) = fsi_reg_read(fsi, DIDT);
if (ERR_OVER & fsi_reg_read(fsi, DIFF_ST)) {
fsi_reg_read(fsi, DOFF_ST) :
fsi_reg_read(fsi, DIFF_ST);
u32 ostatus = fsi_reg_read(fsi, DOFF_ST);
u32 istatus = fsi_reg_read(fsi, DIFF_ST);