/* * CSR Hardware Revision Workaround Register. Indicates hardware rev; * "step" determines CCK backoff for txpower calculation. Used for 4965 only. * See also IWM_CSR_HW_REV register. * Bit fields: * 3-2: 0 = A, 1 = B, 2 = C, 3 = D step * 1-0: "Dash" (-) value, as in C-1, etc. */