Removes the unused define AD7923_CHANNEL_x from the code.
Signed-off-by: Daniel Junho <djunho@gmail.com>
Reviewed-by: Alexandru Ardelean <alexandru.ardelean@analog.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
 #define AD7923_PM_MODE_AS      (1)             /* auto shutdown */
 #define AD7923_PM_MODE_FS      (2)             /* full shutdown */
 #define AD7923_PM_MODE_OPS     (3)             /* normal operation */
-#define AD7923_CHANNEL_0       (0)             /* analog input 0 */
-#define AD7923_CHANNEL_1       (1)             /* analog input 1 */
-#define AD7923_CHANNEL_2       (2)             /* analog input 2 */
-#define AD7923_CHANNEL_3       (3)             /* analog input 3 */
 #define AD7923_SEQUENCE_OFF    (0)             /* no sequence fonction */
 #define AD7923_SEQUENCE_PROTECT        (2)             /* no interrupt write cycle */
 #define AD7923_SEQUENCE_ON     (3)             /* continuous sequence */