[libcamera-devel] [PATCH] ipa: rpi: imx296_mono: Disable all colour shading

David Plowman david.plowman at raspberrypi.com
Fri Jul 7 12:49:06 CEST 2023


Hi Naush

Thanks for the patch!

On Fri, 7 Jul 2023 at 11:37, Naushir Patuck <naush at raspberrypi.com> wrote:
>
> Colour shading should be turned off for the mono variant of the IMX296
> sensor. To do this, set all the colour gain coefficients to 1.
>
> Signed-off-by: Naushir Patuck <naush at raspberrypi.com>

Yes, I'm sure this is the right answer.

Reviewed-by: David Plowman <daivd.plowman at raspberrypi.com>

Thanks
David

> ---
>  src/ipa/rpi/vc4/data/imx296_mono.json | 48 +++++++++++++--------------
>  1 file changed, 24 insertions(+), 24 deletions(-)
>
> diff --git a/src/ipa/rpi/vc4/data/imx296_mono.json b/src/ipa/rpi/vc4/data/imx296_mono.json
> index 955af43cccff..d4140c81bf0d 100644
> --- a/src/ipa/rpi/vc4/data/imx296_mono.json
> +++ b/src/ipa/rpi/vc4/data/imx296_mono.json
> @@ -123,18 +123,18 @@
>                          "ct": 4000,
>                          "table":
>                          [
> -                            2.554, 2.554, 2.541, 2.534, 2.495, 2.506, 2.516, 2.517, 2.518, 2.515, 2.513, 2.495, 2.481, 2.533, 2.533, 2.521,
> -                            2.522, 2.534, 2.539, 2.531, 2.531, 2.506, 2.506, 2.513, 2.513, 2.509, 2.498, 2.496, 2.508, 2.517, 2.521, 2.521,
> -                            2.509, 2.517, 2.534, 2.529, 2.531, 2.521, 2.517, 2.517, 2.515, 2.514, 2.506, 2.499, 2.508, 2.508, 2.521, 2.537,
> -                            2.507, 2.508, 2.517, 2.516, 2.495, 2.487, 2.519, 2.534, 2.535, 2.531, 2.499, 2.494, 2.501, 2.511, 2.526, 2.526,
> -                            2.509, 2.517, 2.507, 2.501, 2.494, 2.519, 2.539, 2.539, 2.537, 2.537, 2.533, 2.499, 2.503, 2.511, 2.529, 2.525,
> -                            2.521, 2.522, 2.476, 2.501, 2.501, 2.539, 2.546, 2.538, 2.531, 2.538, 2.541, 2.531, 2.529, 2.526, 2.529, 2.525,
> -                            2.516, 2.519, 2.469, 2.499, 2.499, 2.543, 2.543, 2.531, 2.528, 2.534, 2.541, 2.535, 2.531, 2.526, 2.531, 2.528,
> -                            2.509, 2.515, 2.465, 2.487, 2.487, 2.539, 2.543, 2.539, 2.533, 2.549, 2.542, 2.531, 2.529, 2.524, 2.532, 2.533,
> -                            2.499, 2.499, 2.475, 2.482, 2.471, 2.509, 2.539, 2.544, 2.543, 2.545, 2.533, 2.498, 2.521, 2.521, 2.537, 2.536,
> -                            2.499, 2.488, 2.488, 2.488, 2.471, 2.462, 2.509, 2.539, 2.539, 2.532, 2.498, 2.498, 2.518, 2.518, 2.539, 2.539,
> -                            2.483, 2.484, 2.488, 2.488, 2.502, 2.496, 2.508, 2.514, 2.518, 2.517, 2.521, 2.518, 2.518, 2.518, 2.525, 2.539,
> -                            2.483, 2.487, 2.478, 2.478, 2.507, 2.509, 2.514, 2.513, 2.514, 2.517, 2.536, 2.559, 2.501, 2.501, 2.503, 2.525
> +                            1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
> +                            1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
> +                            1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
> +                            1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
> +                            1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
> +                            1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
> +                            1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
> +                            1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
> +                            1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
> +                            1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
> +                            1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
> +                            1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1
>                          ]
>                      }
>                  ],
> @@ -143,18 +143,18 @@
>                          "ct": 4000,
>                          "table":
>                          [
> -                            2.619, 2.603, 2.599, 2.597, 2.595, 2.594, 2.589, 2.587, 2.586, 2.589, 2.592, 2.597, 2.601, 2.608, 2.621, 2.621,
> -                            2.619, 2.615, 2.603, 2.601, 2.596, 2.595, 2.591, 2.589, 2.589, 2.592, 2.599, 2.593, 2.601, 2.613, 2.622, 2.631,
> -                            2.617, 2.617, 2.612, 2.611, 2.604, 2.598, 2.593, 2.591, 2.592, 2.591, 2.593, 2.595, 2.599, 2.614, 2.623, 2.631,
> -                            2.624, 2.619, 2.615, 2.612, 2.605, 2.602, 2.597, 2.596, 2.592, 2.592, 2.595, 2.599, 2.602, 2.606, 2.619, 2.624,
> -                            2.629, 2.627, 2.627, 2.617, 2.609, 2.598, 2.612, 2.623, 2.615, 2.604, 2.589, 2.595, 2.599, 2.608, 2.611, 2.614,
> -                            2.629, 2.632, 2.637, 2.627, 2.612, 2.612, 2.629, 2.631, 2.628, 2.621, 2.604, 2.597, 2.598, 2.604, 2.609, 2.609,
> -                            2.635, 2.636, 2.642, 2.628, 2.623, 2.623, 2.636, 2.636, 2.634, 2.628, 2.616, 2.599, 2.597, 2.601, 2.603, 2.601,
> -                            2.641, 2.639, 2.646, 2.632, 2.627, 2.625, 2.632, 2.635, 2.634, 2.627, 2.614, 2.596, 2.595, 2.599, 2.599, 2.598,
> -                            2.643, 2.644, 2.651, 2.649, 2.629, 2.617, 2.624, 2.629, 2.625, 2.614, 2.586, 2.599, 2.595, 2.597, 2.592, 2.595,
> -                            2.645, 2.646, 2.649, 2.649, 2.638, 2.624, 2.616, 2.617, 2.609, 2.604, 2.603, 2.603, 2.595, 2.589, 2.587, 2.592,
> -                            2.641, 2.643, 2.649, 2.647, 2.638, 2.618, 2.615, 2.608, 2.602, 2.595, 2.596, 2.595, 2.593, 2.584, 2.581, 2.583,
> -                            2.638, 2.637, 2.647, 2.634, 2.634, 2.618, 2.621, 2.621, 2.611, 2.602, 2.596, 2.583, 2.581, 2.581, 2.576, 2.574
> +                            1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
> +                            1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
> +                            1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
> +                            1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
> +                            1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
> +                            1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
> +                            1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
> +                            1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
> +                            1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
> +                            1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
> +                            1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
> +                            1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1
>                          ]
>                      }
>                  ],
> --
> 2.34.1
>


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