[media] ov7670: fix QVGA visible area

The QVGA mode has a green horizontal line on the left hand side, and a red
(or sometimes blue) vertical line at the bottom. Tweak the visible area
to remove them.

Thanks to Mauro for explaining how to fix this.

Signed-off-by: Daniel Drake <dsd@laptop.org>
Acked-by: Jonathan Corbet <corbet@lwn.net>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

diff --git a/drivers/media/video/ov7670.c b/drivers/media/video/ov7670.c
index a18dcd0..0b78f33 100644 (file)
--- a/drivers/media/video/ov7670.c
+++ b/drivers/media/video/ov7670.c
@@ -675,10 +675,10 @@ static struct ov7670_win_size {
                .width          = QVGA_WIDTH,
                .height         = QVGA_HEIGHT,
                .com7_bit       = COM7_FMT_QVGA,
-               .hstart         = 164,          /* Empirically determined */
-               .hstop          =  20,
-               .vstart         =  14,
-               .vstop          = 494,
+               .hstart         = 168,          /* Empirically determined */
+               .hstop          =  24,
+               .vstart         =  12,
+               .vstop          = 492,
                .regs           = NULL,
        },
        /* QCIF */