linux-kernel - Re: [PATCH v2 1/2] media: i2c: tvp7002: add support for asynchronous probing

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Date:	Mon, 24 Jun 2013 09:14:22 +0200
From:	Hans Verkuil <hverkuil@...all.nl>
To:	Prabhakar Lad <prabhakar.csengg@...il.com>
Cc:	Mauro Carvalho Chehab <mchehab@...hat.com>,
	LMML <linux-media@...r.kernel.org>,
	Hans Verkuil <hans.verkuil@...co.com>,
	Laurent Pinchart <laurent.pinchart@...asonboard.com>,
	DLOS <davinci-linux-open-source@...ux.davincidsp.com>,
	LKML <linux-kernel@...r.kernel.org>,
	Guennadi Liakhovetski <g.liakhovetski@....de>,
	Sylwester Nawrocki <s.nawrocki@...sung.com>,
	Sakari Ailus <sakari.ailus@....fi>
Subject: Re: [PATCH v2 1/2] media: i2c: tvp7002: add support for asynchronous probing

On Sat June 22 2013 19:44:14 Prabhakar Lad wrote:
> From: "Lad, Prabhakar" <prabhakar.csengg@...il.com>
> 
> Both synchronous and asynchronous tvp7002 subdevice probing
> is supported by this patch.

Can I merge this patch without patch 2/2? Or should I wait with both until
the video sync properties have been approved?

	Hans

> 
> Signed-off-by: Lad, Prabhakar <prabhakar.csengg@...il.com>
> Cc: Hans Verkuil <hans.verkuil@...co.com>
> Cc: Laurent Pinchart <laurent.pinchart@...asonboard.com>
> Cc: Mauro Carvalho Chehab <mchehab@...hat.com>
> Cc: Guennadi Liakhovetski <g.liakhovetski@....de>
> Cc: Sylwester Nawrocki <s.nawrocki@...sung.com>
> Cc: Sakari Ailus <sakari.ailus@....fi>
> Cc: linux-kernel@...r.kernel.org
> Cc: davinci-linux-open-source@...ux.davincidsp.com
> ---
>  drivers/media/i2c/tvp7002.c |    6 ++++++
>  1 file changed, 6 insertions(+)
> 
> diff --git a/drivers/media/i2c/tvp7002.c b/drivers/media/i2c/tvp7002.c
> index 36ad565..b577548 100644
> --- a/drivers/media/i2c/tvp7002.c
> +++ b/drivers/media/i2c/tvp7002.c
> @@ -31,6 +31,7 @@
>  #include <linux/module.h>
>  #include <linux/v4l2-dv-timings.h>
>  #include <media/tvp7002.h>
> +#include <media/v4l2-async.h>
>  #include <media/v4l2-device.h>
>  #include <media/v4l2-common.h>
>  #include <media/v4l2-ctrls.h>
> @@ -1040,6 +1041,10 @@ static int tvp7002_probe(struct i2c_client *c, const struct i2c_device_id *id)
>  	}
>  	v4l2_ctrl_handler_setup(&device->hdl);
>  
> +	error = v4l2_async_register_subdev(&device->sd);
> +	if (error)
> +		goto error;
> +
>  	return 0;
>  
>  error:
> @@ -1064,6 +1069,7 @@ static int tvp7002_remove(struct i2c_client *c)
>  
>  	v4l2_dbg(1, debug, sd, "Removing tvp7002 adapter"
>  				"on address 0x%x\n", c->addr);
> +	v4l2_async_unregister_subdev(&device->sd);
>  #if defined(CONFIG_MEDIA_CONTROLLER)
>  	media_entity_cleanup(&device->sd.entity);
>  #endif
> 
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