[alsa-devel] [asoc:topic/wm97xx 5/8] sound/soc/codecs/wm9712.c:23:30: fatal error: sound/ac97/codec.h: No such file or directory

[kbuild test robot]

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound.git topic/wm97xx
head:   5aa3b03ad0712e3964a0ae2788f61f08da814bfe
commit: 2ed1a8e0ce8db6d36f849526db61ce3c85a9f8d1 [5/8] ASoC: wm9712: add ac97 new bus support
config: arm-multi_v7_defconfig (attached as .config)
compiler: arm-linux-gnueabi-gcc (Debian 6.1.1-9) 6.1.1 20160705
reproduce:
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        git checkout 2ed1a8e0ce8db6d36f849526db61ce3c85a9f8d1
        # save the attached .config to linux build tree
        make.cross ARCH=arm 

All errors (new ones prefixed by >>):

>> sound/soc/codecs/wm9712.c:23:30: fatal error: sound/ac97/codec.h: No such file or directory
    #include <sound/ac97/codec.h>
                                 ^
   compilation terminated.

vim +23 sound/soc/codecs/wm9712.c

  > 23	#include <sound/ac97/codec.h>
    24	#include <sound/ac97/compat.h>
    25	#include <sound/initval.h>
    26	#include <sound/soc.h>
    27	#include <sound/tlv.h>
    28	

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