linux-kernel - Re: [PATCH v4 2/3] media: ov7670: Add the get

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Date:   Mon, 18 Sep 2017 17:25:28 +0800
From:   "Yang, Wenyou" <Wenyou.Yang@...rochip.com>
To:     Sakari Ailus <sakari.ailus@....fi>
CC:     Jonathan Corbet <corbet@....net>,
        Nicolas Ferre <nicolas.ferre@...rochip.com>,
        <linux-kernel@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        Linux Media Mailing List <linux-media@...r.kernel.org>,
        Mauro Carvalho Chehab <mchehab@...pensource.com>
Subject: Re: [PATCH v4 2/3] media: ov7670: Add the get_fmt callback

Hi Sakari,


On 2017/9/18 15:36, Sakari Ailus wrote:
> Hi Wenyou,
>
> On Mon, Sep 18, 2017 at 02:45:13PM +0800, Wenyou Yang wrote:
>> @@ -998,8 +1002,15 @@ static int ov7670_set_fmt(struct v4l2_subdev *sd,
>>   		ret = ov7670_try_fmt_internal(sd, &format->format, NULL, NULL);
>>   		if (ret)
>>   			return ret;
>> -		cfg->try_fmt = format->format;
>> +#ifdef CONFIG_VIDEO_V4L2_SUBDEV_API
>> +		struct v4l2_mbus_framefmt *mbus_fmt;
> This will emit a compiler warning at least.
Thank you for your review.
Will be fixed in next version.
>
>> +
>> +		mbus_fmt = v4l2_subdev_get_try_format(sd, cfg, format->pad);
>> +		*mbus_fmt = format->format;
>>   		return 0;
>> +#else
>> +		return -ENOTTY;
>> +#endif
>>   	}
>>   
>>   	ret = ov7670_try_fmt_internal(sd, &format->format, &ovfmt, &wsize);

Best Regards,
Wenyou Yang