linux-kernel - Re: [PATCH v6 6/9] media: i2c: ov772x: Remove soc

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:   Fri, 19 Jan 2018 12:44:53 +0100
From:   Hans Verkuil <hverkuil@...all.nl>
To:     Sakari Ailus <sakari.ailus@....fi>
Cc:     Jacopo Mondi <jacopo+renesas@...ndi.org>,
        laurent.pinchart@...asonboard.com, magnus.damm@...il.com,
        geert@...der.be, mchehab@...nel.org, festevam@...il.com,
        robh+dt@...nel.org, mark.rutland@....com, pombredanne@...b.com,
        linux-renesas-soc@...r.kernel.org, linux-media@...r.kernel.org,
        linux-sh@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH v6 6/9] media: i2c: ov772x: Remove soc_camera dependencies

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@...ndi.org>
>>>> Reviewed-by: Laurent Pinchart <laurent.pinchart@...asonboard.com>
>>>
>>> Acked-by: Hans Verkuil <hans.verkuil@...co.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