Re: [PATCH v2 1/3] media: stm32-dcmi: improve sensor subdev naming

From: Hugues FRUCHET
Date: Tue Jul 02 2019 - 11:21:21 EST


Hi Sakari,

On 6/20/19 5:26 PM, Sakari Ailus wrote:
> Hi Hugues,
>
> On Tue, Jun 11, 2019 at 10:48:30AM +0200, Hugues Fruchet wrote:
>> Add a new "sensor" field to dcmi struct instead of
>> reusing entity->subdev to address sensor subdev.
As discussed on IRC, fixed in v3,
>
> The purpose of the struct binding image source's async subdev as well as
> related information is to allow associating the two. This patch breaks
> that. If your device can support a single sensor, it might not be a big
> deal. The end result remains somewhat inconsistent as subdev specific
> information is spread across struct stm32_dcmi and struct
> dcmi_graph_entity.
As discussed on IRC, fixed in v3,

>
> In general you don't need to know the sensor as you can always find it
> using media_entity_remote_pad(). This driver is a little different though
> as it could presumably continue to work without MC. Was that the intent?
>
> On a side note: struct dcmi_graph_entity does NOT have struct
> v4l2_async_subdev as its first member. Please fix that and prepend the fix
> to this set.
>
As discussed on IRC, fixed in v3,

BR,
Hugues.