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: i386-allyesconfig (https://download.01.org/0day-ci/archive/20230321/202303210304.0taquh1z-lkp@xxxxxxxxx/config) compiler: gcc-11 (Debian 11.3.0-8) 11.3.0 reproduce (this is a W=1 build): # 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 make W=1 O=build_dir ARCH=i386 olddefconfig make W=1 O=build_dir ARCH=i386 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/202303210304.0taquh1z-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; | ^~~~~~~~~~~~~~~ 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 +/dts_dev_addr_tag +42 sound/soc/codecs/tas2781-i2c.c 41 > 42 static const char * const dts_dev_addr_tag[] = { 43 "topleft-channel", 44 "topright-channel", 45 "bottomleft-channel", 46 "bottomright-channel" 47 }; 48 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests
