[alsa-devel] [sound:topic/intel-lpe-audio 60/69] sound/x86/intel_hdmi_audio.c:1796:3: error: implicit declaration of function 'snd_pcm_suspend'

[kbuild test robot]

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound.git topic/intel-lpe-audio
head:   91b0cb0cc07bcb5114df2897531f4ea41c148c8e
commit: 182cdf23dbf6672954ac646871bf5902050268c7 [60/69] ALSA: x86: Implement runtime PM
config: i386-randconfig-x076-02050830 (attached as .config)
compiler: gcc-6 (Debian 6.2.0-3) 6.2.0 20160901
reproduce:
        git checkout 182cdf23dbf6672954ac646871bf5902050268c7
        # save the attached .config to linux build tree
        make ARCH=i386 

All errors (new ones prefixed by >>):

   sound/x86/intel_hdmi_audio.c: In function 'hdmi_lpe_audio_runtime_suspend':
>> sound/x86/intel_hdmi_audio.c:1796:3: error: implicit declaration of function 'snd_pcm_suspend' [-Werror=implicit-function-declaration]
      snd_pcm_suspend(substream);
      ^~~~~~~~~~~~~~~
   At top level:
   sound/x86/intel_hdmi_audio.c:1814:12: warning: 'hdmi_lpe_audio_resume' defined but not used [-Wunused-function]
    static int hdmi_lpe_audio_resume(struct device *dev)
               ^~~~~~~~~~~~~~~~~~~~~
   sound/x86/intel_hdmi_audio.c:1803:12: warning: 'hdmi_lpe_audio_suspend' defined but not used [-Wunused-function]
    static int hdmi_lpe_audio_suspend(struct device *dev)
               ^~~~~~~~~~~~~~~~~~~~~~
   cc1: some warnings being treated as errors

vim +/snd_pcm_suspend +1796 sound/x86/intel_hdmi_audio.c

  1790	{
  1791		struct snd_intelhad *ctx = dev_get_drvdata(dev);
  1792		struct snd_pcm_substream *substream;
  1793	
  1794		substream = had_substream_get(ctx);
  1795		if (substream) {
> 1796			snd_pcm_suspend(substream);
  1797			had_substream_put(ctx);
  1798		}
  1799	

---
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