[omap-audio:peter/linux-next-wip 18/62] sound/soc/codecs/tas2555.c:96:6: warning: variable 'ret' set but not used

[omap-audio:peter/linux-next-wip 18/62] sound/soc/codecs/tas2555.c:96:6: warning: variable 'ret' set but not used

[kernel test robot]

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tree:   https://github.com/omap-audio/linux-audio peter/linux-next-wip
head:   4267b3ab8fe441bf25983bf8288fd3025f67702f
commit: c70019344211309f0ac94f87d76b661f609a50d4 [18/62] ASoC: Initial driver for TAS2555 Smart Amplifier
config: x86_64-randconfig-a011-20210613 (attached as .config)
compiler: clang version 13.0.0 (https://github.com/llvm/llvm-project d2012d965d60c3258b3a69d024491698f8aec386)
reproduce (this is a W=1 build):
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # install x86_64 cross compiling tool for clang build
        # apt-get install binutils-x86-64-linux-gnu
        # https://github.com/omap-audio/linux-audio/commit/c70019344211309f0ac94f87d76b661f609a50d4
        git remote add omap-audio https://github.com/omap-audio/linux-audio
        git fetch --no-tags omap-audio peter/linux-next-wip
        git checkout c70019344211309f0ac94f87d76b661f609a50d4
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=x86_64 

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/codecs/tas2555.c:96:6: warning: variable 'ret' set but not used [-Wunused-but-set-variable]
           int ret;
               ^
   1 warning generated.


vim +/ret +96 sound/soc/codecs/tas2555.c

    90	
    91	static unsigned int tas2555_read(struct snd_soc_component *component,
    92					 unsigned int reg)
    93	{
    94		struct tas2555_priv *tas2555 = snd_soc_component_get_drvdata(component);
    95		unsigned int value = 0;
  > 96		int ret;
    97	
    98		dev_dbg(component->dev, "%s: BOOK:PAGE:REG %u:%u:%u\n", __func__,
    99			TAS2555_BOOK_ID(reg), TAS2555_PAGE_ID(reg),
   100			TAS2555_PAGE_REG(reg));
   101		tas2555_change_book(tas2555, TAS2555_BOOK_ID(reg));
   102		ret = regmap_read(tas2555->regmap, TAS2555_BOOK_REG(reg), &value);
   103		return value;
   104	}
   105	

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

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