linux-kernel - Re: [PATCH 08/10] media: camss: Add files which handle the video device nodes

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Date:   Mon, 05 Dec 2016 16:42:33 +0200
From:   Laurent Pinchart <laurent.pinchart@...asonboard.com>
To:     Hans Verkuil <hverkuil@...all.nl>
Cc:     Todor Tomov <todor.tomov@...aro.org>, mchehab@...nel.org,
        laurent.pinchart+renesas@...asonboard.com, hans.verkuil@...co.com,
        javier@....samsung.com, s.nawrocki@...sung.com,
        linux-media@...r.kernel.org, linux-kernel@...r.kernel.org,
        bjorn.andersson@...aro.org, srinivas.kandagatla@...aro.org
Subject: Re: [PATCH 08/10] media: camss: Add files which handle the video device nodes

Hi Hans,

On Monday 05 Dec 2016 14:44:55 Hans Verkuil wrote:
> > +static int video_querycap(struct file *file, void *fh,
> > +                       struct v4l2_capability *cap)
> > +{
> > +     strlcpy(cap->driver, "qcom-camss", sizeof(cap->driver));
> > +     strlcpy(cap->card, "Qualcomm Camera Subsystem", sizeof(cap->card));
> > +     strlcpy(cap->bus_info, "platform:qcom-camss",
> > sizeof(cap->bus_info));
> > +     cap->capabilities = V4L2_CAP_VIDEO_CAPTURE | V4L2_CAP_STREAMING |
> > +                                                     V4L2_CAP_DEVICE_CAPS
> > ;
> > +     cap->device_caps = V4L2_CAP_VIDEO_CAPTURE | V4L2_CAP_STREAMING;
> 
> Don't set capabilities and device_caps here. Instead fill in the struct
> video_device device_caps field and the v4l2 core will take care of
> cap->capabilities and cap->device_caps.

Time to add this to checkpatch.pl ? :-)

> > +
> > +     return 0;
> > +}

-- 
Regards,

Laurent Pinchart