/* device flags */
#define PDN_INV 1 /* inverse pin S_PWR_DN / sn_xxx tables */
+/* sn9c1xx definitions */
+/* register 0x01 */
+#define S_PWR_DN 0x01 /* sensor power down */
+#define S_PDN_INV 0x02 /* inverse pin S_PWR_DN */
+#define V_TX_EN 0x04 /* video transfer enable */
+#define LED 0x08 /* output to pin LED */
+#define SCL_SEL_OD 0x20 /* open-drain mode */
+#define SYS_SEL_48M 0x40 /* system clock 0: 24MHz, 1: 48MHz */
+/* register 0x17 */
+#define MCK_SIZE_MASK 0x1f /* sensor master clock */
+#define SEN_CLK_EN 0x20 /* enable sensor clock */
+#define DEF_EN 0x80 /* defect pixel by 0: soft, 1: hard */
+
/* V4L2 controls supported by the driver */
static void setbrightness(struct gspca_dev *gspca_dev);
static void setcontrast(struct gspca_dev *gspca_dev);