MulDiv32
sysClockInHz = MulDiv32(incr, bandwidth, 1 << 21);
state->fe_fs_add_incr = MulDiv32(state->intermediate_freq +
state->org_fe_fs_add_incr = MulDiv32(state->intermediate_freq,
feIfIncr = MulDiv32(state->sys_clock_freq * 1000,