DC_HOT_PLUG_DETECT2_INT_CONTROL
tmp = RREG32(DC_HOT_PLUG_DETECT2_INT_CONTROL) & DC_HOT_PLUG_DETECTx_INT_POLARITY;
WREG32(DC_HOT_PLUG_DETECT2_INT_CONTROL, tmp);
hpd2 = RREG32(DC_HOT_PLUG_DETECT2_INT_CONTROL) & ~DC_HPDx_INT_EN;
WREG32(DC_HOT_PLUG_DETECT2_INT_CONTROL, hpd2);
tmp = RREG32(DC_HOT_PLUG_DETECT2_INT_CONTROL);
WREG32(DC_HOT_PLUG_DETECT2_INT_CONTROL, tmp);
tmp = RREG32(DC_HOT_PLUG_DETECT2_INT_CONTROL);
WREG32(DC_HOT_PLUG_DETECT2_INT_CONTROL, tmp);