#define AD1848_LOOPBACK 0x0d /* loopback control */
#define AD1848_DATA_UPR_CNT 0x0e /* playback/capture upper base count */
#define AD1848_DATA_LWR_CNT 0x0f /* playback/capture lower base count */
#define AD1848_LOOPBACK 0x0d /* loopback control */
#define AD1848_DATA_UPR_CNT 0x0e /* playback/capture upper base count */
#define AD1848_DATA_LWR_CNT 0x0f /* playback/capture lower base count */