Re: [PATCH v11 13/13] dt-bindings: Add media properties

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On 20/05/2020 09:52, Jacopo Mondi wrote:
> Hi Hans,
> 
> On Mon, May 11, 2020 at 09:27:57AM +0200, Hans Verkuil wrote:
>> On 09/05/2020 11:04, Jacopo Mondi wrote:
>>> Add a DT header file to contain definitions for standard media properties.
>>>
>>> The file is named after:
>>> Documentation/devicetree/bindings/media/video-interfaces.txt
>>> which contains the standard media properties definitions.
>>>
>>> Initially add three macros to define the supported 'orientation'
>>> property values.
>>>
>>> Signed-off-by: Jacopo Mondi <jacopo@xxxxxxxxxx>
>>> ---
>>>
>>> I currently don't have users in mainline for this, I understand this implies
>>> this is probably not going to be accepted. At the same time we don't have a
>>> common place for media-related definitions, which support properties defined in
>>> video-interfaces.txt
>>>
>>> I leave it here at the end of the series for discussions, but I'm fine dropping
>>> it from the series.
>>>
>>> Thanks
>>>   j
>>>
>>> ---
>>>  include/dt-bindings/media/video-interfaces.h | 15 +++++++++++++++
>>>  1 file changed, 15 insertions(+)
>>>  create mode 100644 include/dt-bindings/media/video-interfaces.h
>>>
>>> diff --git a/include/dt-bindings/media/video-interfaces.h b/include/dt-bindings/media/video-interfaces.h
>>> new file mode 100644
>>> index 0000000000000..404c697d6bd6e
>>> --- /dev/null
>>> +++ b/include/dt-bindings/media/video-interfaces.h
>>> @@ -0,0 +1,15 @@
>>> +/* SPDX-License-Identifier: GPL-2.0-only */
>>> +/*
>>> + * include/dt-bindings/media/video-interfaces.h
>>> + *
>>> + * Copyright (C) 2020 Jacopo Mondi <jacopo@xxxxxxxxxx>
>>> + */
>>> +
>>> +#ifndef __DT_BINDINGS_MEDIA_VIDEO_INTERFACES_H__
>>> +#define __DT_BINDINGS_MEDIA_VIDEO_INTERFACES_H__
>>> +
>>> +#define FRONT_CAMERA		<0>
>>> +#define BACK_CAMERA		<1>
>>> +#define EXTERNAL_CAMERA		<2>
>>
>> Uh, shouldn't that be 0, 1 and 2 instead of <0>, <1> and <2> ?
> 
> I used that notation to be able to write
>         orientation = FRONT_CAMERA
> in place of
>         orientation = <FRONT_CAMERA>
> 
> Do you think it's wrong ?

Yes, I think that's wrong :-)

>From what I can see in existing device tree files you do not hide the '<>'.

Regards,

	Hans

> 
> Thanks
>   j
> 
>>
>> I'm skipping this patch for the PR.
>>
>> Regards,
>>
>> 	Hans
>>
>>> +
>>> +#endif /* __DT_BINDINGS_MEDIA_VIDEO_INTERFACES_H__ */
>>> --
>>> 2.26.1
>>>
>>




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