H2I_C2_R_ATT_M
new = old & ~(H2I_C2_L_ATT_M | H2I_C2_R_ATT_M | H2I_C2_MUTE);
new |= H2I_C2_L_ATT_M | H2I_C2_R_ATT_M | H2I_C2_MUTE;
H2I_C2_L_ATT_M | H2I_C2_R_ATT_M | H2I_C2_MUTE);