linux-kernel - Re: [PATCH 4/4] media: au0828 change vidioc_s_input() to call v4l_change_media

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Message-ID: <201603101400.hTbCW2LE%fengguang.wu@intel.com>
Date:	Thu, 10 Mar 2016 14:55:58 +0800
From:	kbuild test robot <lkp@...el.com>
To:	Shuah Khan <shuahkh@....samsung.com>
Cc:	kbuild-all@...org, mchehab@....samsung.com, hans.verkuil@...co.com,
	chehabrafael@...il.com, javier@....samsung.com,
	inki.dae@...sung.com, jh1009.sung@...sung.com,
	sakari.ailus@...ux.intel.com, Shuah Khan <shuahkh@....samsung.com>,
	linux-media@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 4/4] media: au0828 change vidioc_s_input() to call
 v4l_change_media_source()

Hi Shuah,

[auto build test ERROR on sailus-media/master]
[cannot apply to v4.5-rc7 next-20160309]
[if your patch is applied to the wrong git tree, please drop us a note to help improving the system]

url:    https://github.com/0day-ci/linux/commits/Shuah-Khan/media-add-change_source-handler-support/20160310-131140
base:   git://linuxtv.org/media_tree.git master
config: x86_64-rhel (attached as .config)
reproduce:
        # save the attached .config to linux build tree
        make ARCH=x86_64 

All errors (new ones prefixed by >>):

   drivers/media/usb/au0828/au0828-video.c: In function 'vidioc_s_input':
>> drivers/media/usb/au0828/au0828-video.c:1474:2: error: implicit declaration of function 'v4l_change_media_source' [-Werror=implicit-function-declaration]
     return v4l_change_media_source(vfd);
     ^
   cc1: some warnings being treated as errors

vim +/v4l_change_media_source +1474 drivers/media/usb/au0828/au0828-video.c

  1468		au0828_s_input(dev, index);
  1469	
  1470		/*
  1471		 * Input has been changed. Change to media source
  1472		 * associated with the for the newly set input.
  1473		 */
> 1474		return v4l_change_media_source(vfd);
  1475	}
  1476	
  1477	static int vidioc_enumaudio(struct file *file, void *priv, struct v4l2_audio *a)

---
0-DAY kernel test infrastructure                Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all                   Intel Corporation

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