Re: Failed to build on 4.2.6

From	Luis de Bethencourt <luisbg@osg.samsung.com>
Newsgroups	linux.kernel
Subject	Re: Failed to build on 4.2.6
Date	2015-12-09 12:00 +0100
Message-ID	<qDKDw-7j2-11@gated-at.bofh.it> (permalink)
References	<qD5TJ-6js-57@gated-at.bofh.it> <qDB7c-14l-9@gated-at.bofh.it>
Organization	linux.* mail to news gateway

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Greg Kroah-Hartman writes:

> On Mon, Dec 07, 2015 at 10:25:19AM -0500, Steven Rostedt wrote:
>> Hi,
>>
>> The attached config doesn't build on 4.2.6, but changing it to the
>> following:
>>
>>  VIDEO_V4L2_SUBDEV_API n -> y
>> +V4L2_FLASH_LED_CLASS n
>>
>> does build.
>
> Did this work on older kernels (4.2.5?  .4?  older?)
>
> thanks,
>
> greg k-h

Hi all,

The problem was:

drivers/media/i2c/adv7604.c: In function ‘adv76xx_get_format’:
drivers/media/i2c/adv7604.c:1861:3: error: implicit declaration of function ‘v4l2_subdev_get_try_format’ [-Werror=implicit-function-declaration]
   fmt = v4l2_subdev_get_try_format(sd, cfg, format->pad);

As Randy mentioned, this if fixed by commit
fc88dd16a0e430f57458e6bd9b62a631c6ea53a1

I backported it locally to test this and build worked fine.

Luis
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Re: Failed to build on 4.2.6 Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2015-12-09 01:50 +0100
  Re: Failed to build on 4.2.6 Luis de Bethencourt <luisbg@osg.samsung.com> - 2015-12-09 12:00 +0100

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