[chrome-os:chromeos-5.10 23804/24051] sound/soc/intel/avs/pcm.c:356:30: warning: variable 'w' set but not used

[chrome-os:chromeos-5.10 23804/24051] sound/soc/intel/avs/pcm.c:356:30: warning: variable 'w' set but not used

[kernel test robot]

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tree:   https://chromium.googlesource.com/chromiumos/third_party/kernel chromeos-5.10
head:   fad62c338cc7fbc5a59668723545a17874f0a035
commit: 44c06b0a880567f728b2635511cf50c28beedaf8 [23804/24051] CHROMIUM: ASoC: Intel: avs: Generic PCM FE operations
config: x86_64-randconfig-r035-20211205 (https://download.01.org/0day-ci/archive/20211207/202112070146.1pReOxqB-lkp(a)intel.com/config)
compiler: gcc-9 (Debian 9.3.0-22) 9.3.0
reproduce (this is a W=1 build):
        git remote add chrome-os https://chromium.googlesource.com/chromiumos/third_party/kernel
        git fetch --no-tags chrome-os chromeos-5.10
        git checkout 44c06b0a880567f728b2635511cf50c28beedaf8
        # save the config file to linux build tree
        mkdir build_dir
        make W=1 O=build_dir ARCH=x86_64 SHELL=/bin/bash sound/soc/intel/avs/

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>

All warnings (new ones prefixed by >>):

   sound/soc/intel/avs/pcm.c: In function 'avs_dai_fe_trigger':
>> sound/soc/intel/avs/pcm.c:356:30: warning: variable 'w' set but not used [-Wunused-but-set-variable]
     356 |  struct snd_soc_dapm_widget *w;
         |                              ^
   At top level:
   sound/soc/intel/avs/pcm.c:656:12: warning: 'avs_soc_component_register' defined but not used [-Wunused-function]
     656 | static int avs_soc_component_register(struct device *dev, const char *name,
         |            ^~~~~~~~~~~~~~~~~~~~~~~~~~
   sound/soc/intel/avs/pcm.c:643:46: warning: 'avs_component_driver' defined but not used [-Wunused-const-variable=]
     643 | static const struct snd_soc_component_driver avs_component_driver = {
         |                                              ^~~~~~~~~~~~~~~~~~~~
   sound/soc/intel/avs/pcm.c:125:12: warning: 'avs_pcm_be_hw_params' defined but not used [-Wunused-function]
     125 | static int avs_pcm_be_hw_params(struct avs_dev *adev,
         |            ^~~~~~~~~~~~~~~~~~~~


vim +/w +356 sound/soc/intel/avs/pcm.c

   348	
   349	static int avs_dai_fe_trigger(struct snd_pcm_substream *substream,
   350				      int cmd, struct snd_soc_dai *dai)
   351	{
   352		struct avs_pcm_dma_data *data;
   353		struct hdac_ext_stream *stream;
   354		struct hdac_stream *hstream;
   355		struct hdac_bus *bus;
 > 356		struct snd_soc_dapm_widget *w;
   357		unsigned long flags;
   358		int ret = 0;
   359	
   360		data = snd_soc_dai_get_dma_data(dai, substream);
   361		stream = data->stream;
   362		hstream = hdac_stream(stream);
   363	
   364		if (!hstream->prepared)
   365			return -EPIPE;
   366	
   367		w = snd_soc_dai_get_widget(dai, substream->stream);
   368		bus = hstream->bus;
   369	
   370		switch (cmd) {
   371		case SNDRV_PCM_TRIGGER_START:
   372		case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
   373			spin_lock_irqsave(&bus->reg_lock, flags);
   374			snd_hdac_stream_start(hstream, true);
   375			spin_unlock_irqrestore(&bus->reg_lock, flags);
   376	
   377			ret = avs_path_run(data->path, AVS_TPLG_TRIGGER_AUTO);
   378			if (ret < 0)
   379				dev_err(dai->dev, "run FE path failed: %d\n", ret);
   380			break;
   381	
   382		case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
   383		case SNDRV_PCM_TRIGGER_STOP:
   384			ret = avs_path_pause(data->path);
   385			if (ret < 0)
   386				dev_err(dai->dev, "pause FE path failed: %d\n", ret);
   387	
   388			spin_lock_irqsave(&bus->reg_lock, flags);
   389			snd_hdac_stream_stop(hstream);
   390			spin_unlock_irqrestore(&bus->reg_lock, flags);
   391	
   392			if (cmd == SNDRV_PCM_TRIGGER_STOP) {
   393				ret = avs_path_reset(data->path);
   394				if (ret < 0)
   395					dev_err(dai->dev, "reset FE path failed: %d\n", ret);
   396			}
   397			break;
   398	
   399		default:
   400			ret = -EINVAL;
   401			break;
   402		}
   403	
   404		return ret;
   405	}
   406	

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all(a)lists.01.org