media: i2c: ov2659: Fix for image wrap-around in lower resolution
authorBenoit Parrot <bparrot@ti.com>
Mon, 30 Sep 2019 13:06:37 +0000 (10:06 -0300)
committerMauro Carvalho Chehab <mchehab+samsung@kernel.org>
Tue, 1 Oct 2019 20:33:45 +0000 (17:33 -0300)
Based on recently found sensor configuration examples, it was
discovered that when scaling and binning are used for the lower
resolutions (i.e. 640x480, 320x240) the read offset has to be
increased otherwise the image appears to be wrapped around.

Signed-off-by: Benoit Parrot <bparrot@ti.com>
Signed-off-by: Jyri Sarha <jsarha@ti.com>
Acked-by: Lad, Prabhakar <prabhakar.csengg@gmail.com>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
drivers/media/i2c/ov2659.c

index f4ded06..1757325 100644 (file)
@@ -661,7 +661,7 @@ static struct sensor_register ov2659_vga[] = {
        { REG_TIMING_HORIZ_FORMAT, 0x01 },
        { 0x370a, 0x52 },
        { REG_VFIFO_READ_START_H, 0x00 },
-       { REG_VFIFO_READ_START_L, 0x80 },
+       { REG_VFIFO_READ_START_L, 0xa0 },
        { REG_ISP_CTRL02, 0x10 },
        { REG_NULL, 0x00 },
 };
@@ -709,7 +709,7 @@ static  struct sensor_register ov2659_qvga[] = {
        { REG_TIMING_HORIZ_FORMAT, 0x01 },
        { 0x370a, 0x52 },
        { REG_VFIFO_READ_START_H, 0x00 },
-       { REG_VFIFO_READ_START_L, 0x80 },
+       { REG_VFIFO_READ_START_L, 0xa0 },
        { REG_ISP_CTRL02, 0x10 },
        { REG_NULL, 0x00 },
 };