#define OV9734_TEST_PATTERN_ENABLE BIT(7)
#define OV9734_TEST_PATTERN_BAR_SHIFT 2
+/* Group Access */
+#define OV9734_REG_GROUP_ACCESS 0x3208
+#define OV9734_GROUP_HOLD_START 0x0
+#define OV9734_GROUP_HOLD_END 0x10
+#define OV9734_GROUP_HOLD_LAUNCH 0xa0
+
enum {
OV9734_LINK_FREQ_180MHZ_INDEX,
};
{
int ret;
+ ret = ov9734_write_reg(ov9734, OV9734_REG_GROUP_ACCESS, 1,
+ OV9734_GROUP_HOLD_START);
+ if (ret)
+ return ret;
+
ret = ov9734_write_reg(ov9734, OV9734_REG_MWB_R_GAIN, 2, d_gain);
if (ret)
return ret;
if (ret)
return ret;
- return ov9734_write_reg(ov9734, OV9734_REG_MWB_B_GAIN, 2, d_gain);
+ ret = ov9734_write_reg(ov9734, OV9734_REG_MWB_B_GAIN, 2, d_gain);
+ if (ret)
+ return ret;
+
+ ret = ov9734_write_reg(ov9734, OV9734_REG_GROUP_ACCESS, 1,
+ OV9734_GROUP_HOLD_END);
+ if (ret)
+ return ret;
+
+ ret = ov9734_write_reg(ov9734, OV9734_REG_GROUP_ACCESS, 1,
+ OV9734_GROUP_HOLD_LAUNCH);
+ return ret;
}
static int ov9734_test_pattern(struct ov9734 *ov9734, u32 pattern)