Re: [PATCH v10 6/8] Documentation: media: Describe V4L2_CID_UNIT_CELL_SIZE

2019-10-07 Thread Hans Verkuil
On 10/7/19 2:03 PM, Ricardo Ribalda Delgado wrote:
> Hi Hans
> 
> 
> 
> On Mon, Oct 7, 2019 at 2:01 PM Hans Verkuil  wrote:
>>
>> On 10/7/19 1:35 PM, Ricardo Ribalda Delgado wrote:
>>> New control to pass to userspace the width/height of a pixel. Which is
>>> needed for calibration and lens selection.
>>>
>>> Reviewed-by: Philipp Zabel 
>>> Signed-off-by: Ricardo Ribalda Delgado 
>>> ---
>>>  Documentation/media/uapi/v4l/ext-ctrls-image-source.rst | 9 +
>>>  1 file changed, 9 insertions(+)
>>>
>>> diff --git a/Documentation/media/uapi/v4l/ext-ctrls-image-source.rst 
>>> b/Documentation/media/uapi/v4l/ext-ctrls-image-source.rst
>>> index 2c3ab5796d76..6388668855d0 100644
>>> --- a/Documentation/media/uapi/v4l/ext-ctrls-image-source.rst
>>> +++ b/Documentation/media/uapi/v4l/ext-ctrls-image-source.rst
>>> @@ -55,3 +55,12 @@ Image Source Control IDs
>>>
>>>  ``V4L2_CID_TEST_PATTERN_GREENB (integer)``
>>>  Test pattern green (next to blue) colour component.
>>> +
>>> +``V4L2_CID_UNIT_CELL_SIZE (struct)``
>>> +This control returns the unit cell size in nanometers. The struct
>>> +:c:type:`v4l2_area` provides the width and the height in separate
>>> +fields to take into consideration asymmetric pixels and/or hardware
>>> +binning.
>>
>> This still states that this control takes binning into account. I understood 
>> that
>> we decided not to do that?
>>
> 
> Good catch, seems that at some point I changed my mind :).
> 
> Will fix this doc.
> 
> Can I resend only this patch to avoid spamming the list?

Yes, that's fine.

Hans

> 
> 
>> Regards,
>>
>> Hans
>>
>>> +The unit cell consists of the whole area of the pixel, sensitive and
>>> +non-sensitive.
>>> +This control is required for automatic calibration of sensors/cameras.
>>>
>>



Re: [PATCH v10 6/8] Documentation: media: Describe V4L2_CID_UNIT_CELL_SIZE

2019-10-07 Thread Ricardo Ribalda Delgado
Hi Hans



On Mon, Oct 7, 2019 at 2:01 PM Hans Verkuil  wrote:
>
> On 10/7/19 1:35 PM, Ricardo Ribalda Delgado wrote:
> > New control to pass to userspace the width/height of a pixel. Which is
> > needed for calibration and lens selection.
> >
> > Reviewed-by: Philipp Zabel 
> > Signed-off-by: Ricardo Ribalda Delgado 
> > ---
> >  Documentation/media/uapi/v4l/ext-ctrls-image-source.rst | 9 +
> >  1 file changed, 9 insertions(+)
> >
> > diff --git a/Documentation/media/uapi/v4l/ext-ctrls-image-source.rst 
> > b/Documentation/media/uapi/v4l/ext-ctrls-image-source.rst
> > index 2c3ab5796d76..6388668855d0 100644
> > --- a/Documentation/media/uapi/v4l/ext-ctrls-image-source.rst
> > +++ b/Documentation/media/uapi/v4l/ext-ctrls-image-source.rst
> > @@ -55,3 +55,12 @@ Image Source Control IDs
> >
> >  ``V4L2_CID_TEST_PATTERN_GREENB (integer)``
> >  Test pattern green (next to blue) colour component.
> > +
> > +``V4L2_CID_UNIT_CELL_SIZE (struct)``
> > +This control returns the unit cell size in nanometers. The struct
> > +:c:type:`v4l2_area` provides the width and the height in separate
> > +fields to take into consideration asymmetric pixels and/or hardware
> > +binning.
>
> This still states that this control takes binning into account. I understood 
> that
> we decided not to do that?
>

Good catch, seems that at some point I changed my mind :).

Will fix this doc.

Can I resend only this patch to avoid spamming the list?


> Regards,
>
> Hans
>
> > +The unit cell consists of the whole area of the pixel, sensitive and
> > +non-sensitive.
> > +This control is required for automatic calibration of sensors/cameras.
> >
>


Re: [PATCH v10 6/8] Documentation: media: Describe V4L2_CID_UNIT_CELL_SIZE

2019-10-07 Thread Hans Verkuil
On 10/7/19 1:35 PM, Ricardo Ribalda Delgado wrote:
> New control to pass to userspace the width/height of a pixel. Which is
> needed for calibration and lens selection.
> 
> Reviewed-by: Philipp Zabel 
> Signed-off-by: Ricardo Ribalda Delgado 
> ---
>  Documentation/media/uapi/v4l/ext-ctrls-image-source.rst | 9 +
>  1 file changed, 9 insertions(+)
> 
> diff --git a/Documentation/media/uapi/v4l/ext-ctrls-image-source.rst 
> b/Documentation/media/uapi/v4l/ext-ctrls-image-source.rst
> index 2c3ab5796d76..6388668855d0 100644
> --- a/Documentation/media/uapi/v4l/ext-ctrls-image-source.rst
> +++ b/Documentation/media/uapi/v4l/ext-ctrls-image-source.rst
> @@ -55,3 +55,12 @@ Image Source Control IDs
>  
>  ``V4L2_CID_TEST_PATTERN_GREENB (integer)``
>  Test pattern green (next to blue) colour component.
> +
> +``V4L2_CID_UNIT_CELL_SIZE (struct)``
> +This control returns the unit cell size in nanometers. The struct
> +:c:type:`v4l2_area` provides the width and the height in separate
> +fields to take into consideration asymmetric pixels and/or hardware
> +binning.

This still states that this control takes binning into account. I understood 
that
we decided not to do that?

Regards,

Hans

> +The unit cell consists of the whole area of the pixel, sensitive and
> +non-sensitive.
> +This control is required for automatic calibration of sensors/cameras.
> 



[PATCH v10 6/8] Documentation: media: Describe V4L2_CID_UNIT_CELL_SIZE

2019-10-07 Thread Ricardo Ribalda Delgado
New control to pass to userspace the width/height of a pixel. Which is
needed for calibration and lens selection.

Reviewed-by: Philipp Zabel 
Signed-off-by: Ricardo Ribalda Delgado 
---
 Documentation/media/uapi/v4l/ext-ctrls-image-source.rst | 9 +
 1 file changed, 9 insertions(+)

diff --git a/Documentation/media/uapi/v4l/ext-ctrls-image-source.rst 
b/Documentation/media/uapi/v4l/ext-ctrls-image-source.rst
index 2c3ab5796d76..6388668855d0 100644
--- a/Documentation/media/uapi/v4l/ext-ctrls-image-source.rst
+++ b/Documentation/media/uapi/v4l/ext-ctrls-image-source.rst
@@ -55,3 +55,12 @@ Image Source Control IDs
 
 ``V4L2_CID_TEST_PATTERN_GREENB (integer)``
 Test pattern green (next to blue) colour component.
+
+``V4L2_CID_UNIT_CELL_SIZE (struct)``
+This control returns the unit cell size in nanometers. The struct
+:c:type:`v4l2_area` provides the width and the height in separate
+fields to take into consideration asymmetric pixels and/or hardware
+binning.
+The unit cell consists of the whole area of the pixel, sensitive and
+non-sensitive.
+This control is required for automatic calibration of sensors/cameras.
-- 
2.23.0