TDA_TBG_CNTRL_0
tda19988_reg_clear(sc, TDA_TBG_CNTRL_0, TBG_CNTRL_0_SYNC_MTHD);
tda19988_reg_clear(sc, TDA_TBG_CNTRL_0, TBG_CNTRL_0_SYNC_ONCE);