SMX_DC_CTL0
smx_dc_ctl0 = RREG32(SMX_DC_CTL0);
WREG32(SMX_DC_CTL0, smx_dc_ctl0);
smx_dc_ctl0 = RREG32(SMX_DC_CTL0);
WREG32(SMX_DC_CTL0, smx_dc_ctl0);
smx_dc_ctl0 = RREG32(SMX_DC_CTL0);
WREG32(SMX_DC_CTL0, smx_dc_ctl0);