linux-kernel - Re: [PATCH v6 3/9] v4l: platform: Add Renesas CEU driver

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Message-ID: <55c3ab66-0886-4b2b-6842-ac07fc9138f3@xs4all.nl>
Date:   Sun, 21 Jan 2018 11:21:05 +0100
From:   Hans Verkuil <hverkuil@...all.nl>
To:     jacopo mondi <jacopo@...ndi.org>
Cc:     Jacopo Mondi <jacopo+renesas@...ndi.org>,
        laurent.pinchart@...asonboard.com, magnus.damm@...il.com,
        geert@...der.be, mchehab@...nel.org, festevam@...il.com,
        sakari.ailus@....fi, 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 3/9] v4l: platform: Add Renesas CEU driver

On 21/01/18 10:53, jacopo mondi wrote:
> Hi Hans,
> 
> On Fri, Jan 19, 2018 at 12:20:19PM +0100, Hans Verkuil wrote:
>> static int ov7670_g_parm(struct v4l2_subdev *sd, struct v4l2_streamparm *parms)
>> {
>>         struct v4l2_captureparm *cp = &parms->parm.capture;
>>         struct ov7670_info *info = to_state(sd);
>>
>>         if (parms->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
>>                 return -EINVAL;
>>
>> And parms->type is CAPTURE_MPLANE. Just drop this test from the ov7670 driver
>> in the g/s_parm functions. It shouldn't test for that since a subdev driver
>> knows nothing about buffer types.
>>
> 
> I will drop that test in an additional patch part of next iteration of this series,

Replace g/s_parm by g/s_frame_interval. Consider g/s_parm for subdev drivers as
deprecated (I'm working on a patch series to replace all g/s_parm uses by
g/s_frame_interval).

Regards,

	Hans