linux-kernel - Re: [PATCH v2] [media] v4l2-async: Don't fail if registered

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Date:	Wed, 17 Feb 2016 11:38:08 +0200
From:	Sakari Ailus <sakari.ailus@....fi>
To:	Javier Martinez Canillas <javier@....samsung.com>
Cc:	linux-kernel@...r.kernel.org, Benoit Parrot <bparrot@...com>,
	Mauro Carvalho Chehab <mchehab@....samsung.com>,
	Bryan Wu <cooloney@...il.com>,
	Laurent Pinchart <laurent.pinchart@...asonboard.com>,
	linux-media@...r.kernel.org
Subject: Re: [PATCH v2] [media] v4l2-async: Don't fail if registered_async
 isn't implemented

On Tue, Feb 16, 2016 at 05:03:21PM -0300, Javier Martinez Canillas wrote:
> After sub-dev registration in v4l2_async_test_notify(), the v4l2-async
> core calls the registered_async callback but if a sub-dev driver does
> not implement it, v4l2_subdev_call() will return a -ENOIOCTLCMD which
> should not be considered an error.
> 
> Reported-by: Benoit Parrot <bparrot@...com>
> Signed-off-by: Javier Martinez Canillas <javier@....samsung.com>

Acked-by: Sakari Ailus <sakari.ailus@...ux.intel.com>

-- 
Sakari Ailus
e-mail: sakari.ailus@....fi	XMPP: sailus@...iisi.org.uk