CGX_SMUX_TX_CTL_L2P_BP_CONV
*tx_pause = !!(cfg & CGX_SMUX_TX_CTL_L2P_BP_CONV);
cfg &= ~CGX_SMUX_TX_CTL_L2P_BP_CONV;
cfg |= tx_pause ? CGX_SMUX_TX_CTL_L2P_BP_CONV : 0x0;
cfg &= ~CGX_SMUX_TX_CTL_L2P_BP_CONV;