Re: [PATCH v4] ASoC: tas2781: Add tas2781 driver

[kernel test robot]

Hi Shenghao,

Thank you for the patch! Perhaps something to improve:

[auto build test WARNING on broonie-sound/for-next]
[also build test WARNING on linus/master v6.3-rc3 next-20230320]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch#_base_tree_information]

url:    https://github.com/intel-lab-lkp/linux/commits/Shenghao-Ding/ASoC-tas2781-Add-tas2781-driver/20230320-231125
base:   https://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound.git for-next
patch link:    https://lore.kernel.org/r/20230320150726.20573-1-13916275206%40139.com
patch subject: [PATCH v4] ASoC: tas2781: Add tas2781 driver
config: sparc-allyesconfig (https://download.01.org/0day-ci/archive/20230321/202303210435.ij3d6YHB-lkp@xxxxxxxxx/config)
compiler: sparc64-linux-gcc (GCC) 12.1.0
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
        # https://github.com/intel-lab-lkp/linux/commit/9620831afc4c833413c073a5b991d0f9be570754
        git remote add linux-review https://github.com/intel-lab-lkp/linux
        git fetch --no-tags linux-review Shenghao-Ding/ASoC-tas2781-Add-tas2781-driver/20230320-231125
        git checkout 9620831afc4c833413c073a5b991d0f9be570754
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=sparc olddefconfig
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=sparc SHELL=/bin/bash sound/soc/codecs/

If you fix the issue, kindly add following tag where applicable
| Reported-by: kernel test robot <lkp@xxxxxxxxx>
| Link: https://lore.kernel.org/oe-kbuild-all/202303210435.ij3d6YHB-lkp@xxxxxxxxx/

All warnings (new ones prefixed by >>):

   sound/soc/codecs/tas2781-i2c.c: In function 'tasdevice_tuning_switch':
>> sound/soc/codecs/tas2781-i2c.c:1007:13: warning: variable 'is_set_glb_mode' set but not used [-Wunused-but-set-variable]
    1007 |         int is_set_glb_mode = 0;
         |             ^~~~~~~~~~~~~~~
   sound/soc/codecs/tas2781-i2c.c: At top level:
   sound/soc/codecs/tas2781-i2c.c:42:27: warning: 'dts_dev_addr_tag' defined but not used [-Wunused-const-variable=]
      42 | static const char * const dts_dev_addr_tag[] = {
         |                           ^~~~~~~~~~~~~~~~


vim +/is_set_glb_mode +1007 sound/soc/codecs/tas2781-i2c.c

  1001	
  1002	static void tasdevice_tuning_switch(
  1003		struct tasdevice_priv *tas_dev, int state)
  1004	{
  1005		struct tasdevice_fw *tas_fmw = tas_dev->fmw;
  1006		int profile_cfg_id = 0;
> 1007		int is_set_glb_mode = 0;
  1008	
  1009		if (state == 0) {
  1010			if (tas_fmw) {
  1011				if (tas_dev->cur_prog >= tas_fmw->nr_programs)
  1012					/*bypass all in rca is profile id 0*/
  1013					profile_cfg_id = RCA_CONFIGID_BYPASS_ALL;
  1014				else {
  1015					/*dsp mode or tuning mode*/
  1016					profile_cfg_id =
  1017						tas_dev->rcabin.profile_cfg_id;
  1018	
  1019					is_set_glb_mode =
  1020						tasdevice_select_tuningprm_cfg(tas_dev,
  1021							tas_dev->cur_prog,
  1022							tas_dev->cur_conf,
  1023							profile_cfg_id);
  1024					if (tas_dev->set_global_mode != NULL)
  1025						tas_dev->set_global_mode(tas_dev);
  1026				}
  1027			}  else
  1028				profile_cfg_id = RCA_CONFIGID_BYPASS_ALL;
  1029	
  1030			tasdevice_select_cfg_blk(tas_dev, profile_cfg_id,
  1031				TASDEVICE_BIN_BLK_PRE_POWER_UP);
  1032		} else
  1033			tasdevice_select_cfg_blk(tas_dev,
  1034				tas_dev->rcabin.profile_cfg_id,
  1035				TASDEVICE_BIN_BLK_PRE_SHUTDOWN);
  1036	}
  1037	

-- 
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests