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Date: Mon, 31 Aug 2015 12:54:06 +0200
From: Hans Verkuil <hverkuil@xs4all.nl>
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To: Mauro Carvalho Chehab <mchehab@osg.samsung.com>,
	Linux Media Mailing List <linux-media@vger.kernel.org>
CC: Mauro Carvalho Chehab <mchehab@infradead.org>,
	Sakari Ailus <sakari.ailus@linux.intel.com>,
	Laurent Pinchart <laurent.pinchart@ideasonboard.com>,
	Hans Verkuil <hans.verkuil@cisco.com>
Subject: Re: [PATCH v8 27/55] [media] dvbdev: add support for indirect interface
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References: <cover.1440902901.git.mchehab@osg.samsung.com> <2e77a279dd0e4cb7721766fafed79ed19a38cb7c.1440902901.git.mchehab@osg.samsung.com>
In-Reply-To: <2e77a279dd0e4cb7721766fafed79ed19a38cb7c.1440902901.git.mchehab@osg.samsung.com>
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On 08/30/2015 05:06 AM, Mauro Carvalho Chehab wrote:
> Some interfaces indirectly control multiple entities.
> Add support for those.
> 
> Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
> 
> diff --git a/drivers/media/dvb-core/dvbdev.c b/drivers/media/dvb-core/dvbdev.c
> index 6bf61d42c017..14d32cdcdd47 100644
> --- a/drivers/media/dvb-core/dvbdev.c
> +++ b/drivers/media/dvb-core/dvbdev.c
> @@ -441,6 +441,7 @@ void dvb_create_media_graph(struct dvb_adapter *adap)
>  	struct media_device *mdev = adap->mdev;
>  	struct media_entity *entity, *tuner = NULL, *fe = NULL;
>  	struct media_entity *demux = NULL, *dvr = NULL, *ca = NULL;
> +	struct media_interface *intf;
>  
>  	if (!mdev)
>  		return;
> @@ -476,6 +477,18 @@ void dvb_create_media_graph(struct dvb_adapter *adap)
>  
>  	if (demux && ca)
>  		media_create_pad_link(demux, 1, ca, 0, MEDIA_LNK_FL_ENABLED);
> +
> +	/* Create indirect interface links for FE->tuner, DVR->demux and CA->ca */
> +	list_for_each_entry(intf, &mdev->interfaces, list) {
> +		if (intf->type == MEDIA_INTF_T_DVB_CA && ca)
> +			media_create_intf_link(ca, intf, 0);
> +		if (intf->type == MEDIA_INTF_T_DVB_FE && tuner)
> +			media_create_intf_link(tuner, intf, 0);
> +		if (intf->type == MEDIA_INTF_T_DVB_DVR && demux)
> +			media_create_intf_link(demux, intf, 0);
> +	}
> +
> +

Spurious newlines.

After removing you can add my:

Acked-by: Hans Verkuil <hans.verkuil@cisco.com>

>  }
>  EXPORT_SYMBOL_GPL(dvb_create_media_graph);
>  #endif
>