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From: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
To: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Cc: Linux Media Mailing List <linux-media@vger.kernel.org>,
	Deepthy Ravi <deepthy.ravi@ti.com>
Subject: Re: [PATCH 0/9] Media Controller for soc-camera
Date: Mon, 3 Oct 2011 13:21:52 +0200	[thread overview]
Message-ID: <201110031321.53090.laurent.pinchart@ideasonboard.com> (raw)
In-Reply-To: <1317313137-4403-1-git-send-email-g.liakhovetski@gmx.de>

Hi Guennadi,

Thanks for the patches. I'm glad to see soc-camera adopting the MC API :-)

On Thursday 29 September 2011 18:18:48 Guennadi Liakhovetski wrote:
> This is the first attempt at extending soc-camera with Media Controller /
> pad-level APIs. Yes, I know, that Laurent wasn't quite happy with "V4L:
> add convenience macros to the subdevice / Media Controller API," maybe
> we'll remove it eventually, but so far my patches use it, so, I kept it
> for now.

I'm fine with keeping it to allow the other patches to be reviewed already, 
but I still think we should drop it.

> The general idea has been described in
> 
> http://article.gmane.org/gmane.linux.drivers.video-input-infrastructure/380
> 83
> 
> In short: soc-camera implements a media controller device and two entities
> per camera host (bridge) instance, linked statically to each other and to
> the client. The host driver gets a chance to implement "local" only
> configuration, as opposed to the standard soc-camera way of propagating the
> configuration up the pipeline to the client (sensor / decoder) driver. An
> example implementation is provided for sh_mobile_ceu_camera and two sensor
> drivers. The whole machinery gets activated if the soc-camera core finds a
> client driver, that implements pad operations. In that case both the
> "standard" (V4L2) and the "new" (MC) ways of addressing the driver become
> available. I.e., it is possible to run both standard V4L2 applications and
> MC-aware ones.
>
> Of course, applies on top of
> 
> git://linuxtv.org/gliakhovetski/v4l-dvb.git for-3.2
> 
> Deepthy: this is what I told you about in
> 
> http://article.gmane.org/gmane.linux.ports.arm.omap/64847
> 
> it just took me a bit longer, than I thought.

-- 
Regards,

Laurent Pinchart

      parent reply	other threads:[~2011-10-03 11:21 UTC|newest]

Thread overview: 18+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-09-29 16:18 [PATCH 0/9] Media Controller for soc-camera Guennadi Liakhovetski
2011-09-29 16:18 ` [PATCH 1/9] V4L: soc-camera: add a function to lookup xlate by mediabus code Guennadi Liakhovetski
2011-09-29 16:18 ` [PATCH 2/9] sh_mobile_ceu_camera: simplify scaling and cropping algorithms Guennadi Liakhovetski
2011-09-29 16:18 ` [PATCH 3/9] V4L: soc-camera: remove redundant parameter from the .set_bus_param() method Guennadi Liakhovetski
2011-09-29 16:18 ` [PATCH 4/9] V4L: add convenience macros to the subdevice / Media Controller API Guennadi Liakhovetski
2011-09-29 16:18 ` [PATCH 5/9] V4L: soc-camera: move bus parameter configuration to .vidioc_streamon() Guennadi Liakhovetski
2011-09-29 16:18 ` [PATCH 6/9] V4L: soc-camera: prepare hooks for Media Controller wrapper Guennadi Liakhovetski
2011-10-03 10:32   ` Laurent Pinchart
2011-09-29 16:18 ` [PATCH 7/9] V4L: soc-camera: add a " Guennadi Liakhovetski
2011-10-03 11:05   ` Laurent Pinchart
2011-10-03 15:29     ` Guennadi Liakhovetski
2011-10-03 20:44       ` Laurent Pinchart
2011-10-04 17:34         ` Guennadi Liakhovetski
2011-10-05 21:15           ` Laurent Pinchart
2011-09-29 16:18 ` [PATCH 8/9] V4L: mt9t112: add pad level operations Guennadi Liakhovetski
2011-10-03 11:14   ` Laurent Pinchart
2011-09-29 16:18 ` [PATCH 9/9] V4L: imx074: " Guennadi Liakhovetski
2011-10-03 11:21 ` Laurent Pinchart [this message]

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