[PATCH 03/13] media: i2c: ov5647: Correct minimum VBLANK value
From: Jai Luthra
Date: Tue Oct 28 2025 - 03:28:12 EST
From: David Plowman <david.plowman@xxxxxxxxxxxxxxx>
Trial and error reveals that the minimum vblank value appears to be 24
(the OV5647 data sheet does not give any clues). This fixes streaming
lock-ups in full resolution mode.
Fixes: 2512c06441e3 ("media: ov5647: Support V4L2_CID_VBLANK control")
Signed-off-by: David Plowman <david.plowman@xxxxxxxxxxxxxxx>
Signed-off-by: Jai Luthra <jai.luthra@xxxxxxxxxxxxxxxx>
---
drivers/media/i2c/ov5647.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/media/i2c/ov5647.c b/drivers/media/i2c/ov5647.c
index 4fed655f5a11c38e76d1ccc9ae9155cf945684ab..dfe36116e6d3936aa0568f172c79ad4dad21f8c2 100644
--- a/drivers/media/i2c/ov5647.c
+++ b/drivers/media/i2c/ov5647.c
@@ -73,7 +73,7 @@
#define OV5647_PIXEL_ARRAY_WIDTH 2592U
#define OV5647_PIXEL_ARRAY_HEIGHT 1944U
-#define OV5647_VBLANK_MIN 4
+#define OV5647_VBLANK_MIN 24
#define OV5647_VTS_MAX 32767
#define OV5647_EXPOSURE_MIN 4
--
2.51.0