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Message-ID: <6262f5bd-08e0-20b0-9e41-a01db75587dd@gmail.com>
Date: Tue, 28 Feb 2017 16:20:07 -0800
From: Steve Longerbeam <slongerbeam@...il.com>
To: Rob Herring <robh@...nel.org>
Cc: mark.rutland@....com, shawnguo@...nel.org, kernel@...gutronix.de,
fabio.estevam@....com, linux@...linux.org.uk, mchehab@...nel.org,
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linux-arm-kernel@...ts.infradead.org, linux-media@...r.kernel.org,
devel@...verdev.osuosl.org, Sascha Hauer <s.hauer@...gutronix.de>,
Steve Longerbeam <steve_longerbeam@...tor.com>
Subject: Re: [PATCH v4 15/36] platform: add video-multiplexer subdevice driver
On 02/27/2017 06:41 AM, Rob Herring wrote:
> On Wed, Feb 15, 2017 at 06:19:17PM -0800, Steve Longerbeam wrote:
>> From: Philipp Zabel <p.zabel@...gutronix.de>
>>
>> This driver can handle SoC internal and external video bus multiplexers,
>> controlled either by register bit fields or by a GPIO. The subdevice
>> passes through frame interval and mbus configuration of the active input
>> to the output side.
>>
>> Signed-off-by: Sascha Hauer <s.hauer@...gutronix.de>
>> Signed-off-by: Philipp Zabel <p.zabel@...gutronix.de>
>>
>> --
>>
>> - fixed a cut&paste error in vidsw_remove(): v4l2_async_register_subdev()
>> should be unregister.
>>
>> - added media_entity_cleanup() and v4l2_device_unregister_subdev()
>> to vidsw_remove().
>>
>> - added missing MODULE_DEVICE_TABLE().
>> Suggested-by: Javier Martinez Canillas <javier@...hile0.org>
>>
>> - there was a line left over from a previous iteration that negated
>> the new way of determining the pad count just before it which
>> has been removed (num_pads = of_get_child_count(np)).
>>
>> - Philipp Zabel has developed a set of patches that allow adding
>> to the subdev async notifier waiting list using a chaining method
>> from the async registered callbacks (v4l2_of_subdev_registered()
>> and the prep patches for that). For now, I've removed the use of
>> v4l2_of_subdev_registered() for the vidmux driver's registered
>> callback. This doesn't affect the functionality of this driver,
>> but allows for it to be merged now, before adding the chaining
>> support.
>>
>> Signed-off-by: Steve Longerbeam <steve_longerbeam@...tor.com>
>> ---
>> .../bindings/media/video-multiplexer.txt | 59 +++
> Please make this a separate commit.
Done.
Steve
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