linux-kernel - Re: [PATCH v3 3/4] media: Add Mediatek MDP Driver

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Date:   Fri, 19 Aug 2016 08:03:29 +0200
From:   Hans Verkuil <hverkuil@...all.nl>
To:     Minghsiu Tsai <minghsiu.tsai@...iatek.com>
Cc:     Hans Verkuil <hans.verkuil@...co.com>, daniel.thompson@...aro.org,
        Rob Herring <robh+dt@...nel.org>,
        Mauro Carvalho Chehab <mchehab@....samsung.com>,
        Matthias Brugger <matthias.bgg@...il.com>,
        Daniel Kurtz <djkurtz@...omium.org>,
        Pawel Osciak <posciak@...omium.org>,
        srv_heupstream@...iatek.com,
        Eddie Huang <eddie.huang@...iatek.com>,
        Yingjoe Chen <yingjoe.chen@...iatek.com>,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, linux-media@...r.kernel.org,
        linux-mediatek@...ts.infradead.org
Subject: Re: [PATCH v3 3/4] media: Add Mediatek MDP Driver

On 08/19/2016 07:54 AM, Minghsiu Tsai wrote:
> On Mon, 2016-08-15 at 14:55 +0200, Hans Verkuil wrote:
>> On 08/09/2016 03:58 PM, Minghsiu Tsai wrote:
>> This isn't right. For VIDEO_CAPTURE you support the COMPOSE targets, and for
>> the VIDEO_OUTPUT you support the CROP targets. Right now I can use e.g. TGT_CROP
>> with VIDEO_CAPTURE, which isn't correct.
>>
>> s_selection has the same problem.
>>
> 
> So my understanding is
> VIDEO_OUTPUT -> only allow to use target XXX_CROP_XXX
> VIDEO_CAPTURE -> only allow to use target XXX_COMPOSE_XXX
> 
> Am I right?

Correct.

Regards,

	Hans