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[media] media: ov13858: Fix 4224x3136 video flickering at some vblanks

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Previously, with crop (0, 0), (4255, 3167), VTS < 0xC9E was resulting in
blank frames sometimes. This appeared as video flickering. But we need VTS
< 0xC9E to get ~30fps.

Omni Vision recommends to use crop (0,8), (4255, 3159) for 4224x3136. With
this crop, VTS 0xC8E is supported and yields ~30fps.

Signed-off-by: Chiranjeevi Rapolu <chiranjeevi.rapolu@intel.com>
Reviewed-by: Tomasz Figa <tfiga@chromium.org>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
This commit is contained in:
Chiranjeevi Rapolu 2017-09-18 19:47:43 -03:00 committed by Mauro Carvalho Chehab
parent 6f2a0594ae
commit 58020c9f14
1 changed files with 2 additions and 2 deletions
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4
drivers/media/i2c/ov13858.c
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@ -237,11 +237,11 @@ static const struct ov13858_reg mode_4224x3136_regs[] = {
{0x3800, 0x00},
{0x3801, 0x00},
{0x3802, 0x00},
{0x3803, 0x00},
{0x3803, 0x08},
{0x3804, 0x10},
{0x3805, 0x9f},
{0x3806, 0x0c},
{0x3807, 0x5f},
{0x3807, 0x57},
{0x3808, 0x10},
{0x3809, 0x80},
{0x380a, 0x0c},