G4X_AUD_CNTL_ST
tmp = I915_READ(G4X_AUD_CNTL_ST);
I915_WRITE(G4X_AUD_CNTL_ST, tmp);
G4X_AUD_CNTL_ST, eldv,
G4X_AUD_CNTL_ST, G4X_ELD_ADDR_MASK,
tmp = I915_READ(G4X_AUD_CNTL_ST);
I915_WRITE(G4X_AUD_CNTL_ST, tmp);
tmp = I915_READ(G4X_AUD_CNTL_ST);
I915_WRITE(G4X_AUD_CNTL_ST, tmp);