[PATCH] ipa: rpi: cam_helper: imx708: Correct the frame integration diff value

[Kieran Bingham]

Quoting Naushir Patuck (2024-12-12 10:32:48)
> Hi David,
> 
> Thanks for the fix!
> 
> On Thu, 12 Dec 2024 at 10:24, David Plowman
> <david.plowman at raspberrypi.com> wrote:
> >
> > This is the minimum permitted difference between the frame length and
> > coarse exposure (both measured in lines). The correct value, taken
> > from the datasheet, is 48.
> >
> > Signed-off-by: David Plowman <david.plowman at raspberrypi.com>
> 
> Reviewed-by: Naushir Patuck <naush at raspberrypi.com>

Thanks,

Merging.


> 
> > ---
> >  src/ipa/rpi/cam_helper/cam_helper_imx708.cpp | 2 +-
> >  1 file changed, 1 insertion(+), 1 deletion(-)
> >
> > diff --git a/src/ipa/rpi/cam_helper/cam_helper_imx708.cpp b/src/ipa/rpi/cam_helper/cam_helper_imx708.cpp
> > index ec83d9fd..16a017e9 100644
> > --- a/src/ipa/rpi/cam_helper/cam_helper_imx708.cpp
> > +++ b/src/ipa/rpi/cam_helper/cam_helper_imx708.cpp
> > @@ -66,7 +66,7 @@ private:
> >          * Smallest difference between the frame length and integration time,
> >          * in units of lines.
> >          */
> > -       static constexpr int frameIntegrationDiff = 22;
> > +       static constexpr int frameIntegrationDiff = 48;
> >         /* Maximum frame length allowable for long exposure calculations. */
> >         static constexpr int frameLengthMax = 0xffdc;
> >         /* Largest long exposure scale factor given as a left shift on the frame length. */
> > --
> > 2.39.5
> >