RM_FILTER_GAIN
#define RM_FILTER_GAIN 5 /* log2 of gain, e.g., 5 => 31/32 */
#define RM_FILTER_GAIN 5 /* log2 of gain, e.g., 5 => 31/32 */
#define RM_FILTER_GAIN 5 /* log2 of gain, e.g., 5 => 31/32 */
#define RM_FILTER_GAIN 5