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Subject: Re: [PATCH v6 6/9] media: i2c: ov772x: Remove soc_camera dependencies
To:     Sakari Ailus <sakari.ailus@iki.fi>
Cc:     Jacopo Mondi <jacopo+renesas@jmondi.org>,
        laurent.pinchart@ideasonboard.com, magnus.damm@gmail.com,
        geert@glider.be, mchehab@kernel.org, festevam@gmail.com,
        robh+dt@kernel.org, mark.rutland@arm.com, pombredanne@nexb.com,
        linux-renesas-soc@vger.kernel.org, linux-media@vger.kernel.org,
        linux-sh@vger.kernel.org, devicetree@vger.kernel.org,
        linux-kernel@vger.kernel.org
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 <20180119111917.76wosrokgracbdrz@valkosipuli.retiisi.org.uk>
From:   Hans Verkuil <hverkuil@xs4all.nl>
Message-ID: <b65e50c0-d6d1-5340-0fe4-34aae662cf60@xs4all.nl>
Date:   Fri, 19 Jan 2018 12:44:53 +0100
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On 01/19/18 12:19, Sakari Ailus wrote:
> Hi Hans,
> 
> On Fri, Jan 19, 2018 at 11:47:33AM +0100, Hans Verkuil wrote:
>> On 01/19/18 11:24, Hans Verkuil wrote:
>>> On 01/16/18 22:44, Jacopo Mondi wrote:
>>>> Remove soc_camera framework dependencies from ov772x sensor driver.
>>>> - Handle clock and gpios
>>>> - Register async subdevice
>>>> - Remove soc_camera specific g/s_mbus_config operations
>>>> - Change image format colorspace from JPEG to SRGB as the two use the
>>>>   same colorspace information but JPEG makes assumptions on color
>>>>   components quantization that do not apply to the sensor
>>>> - Remove sizes crop from get_selection as driver can't scale
>>>> - Add kernel doc to driver interface header file
>>>> - Adjust build system
>>>>
>>>> This commit does not remove the original soc_camera based driver as long
>>>> as other platforms depends on soc_camera-based CEU driver.
>>>>
>>>> Signed-off-by: Jacopo Mondi <jacopo+renesas@jmondi.org>
>>>> Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
>>>
>>> Acked-by: Hans Verkuil <hans.verkuil@cisco.com>
>>
>> Un-acked.
>>
>> I just noticed that this sensor driver has no enum_frame_interval and
>> g/s_parm support. How would a driver ever know the frame rate of the
>> sensor without that?
> 
> s/_parm/_frame_interval/ ?

Yes.

> 
> We should have wrappers for this or rather to convert g/s_parm users to
> g/s_frame_interval so drivers don't need to implement both.

We should convert them. I wonder why we didn't?

Regards,

	Hans