Hi Srinivas, I love your patch! Perhaps something to improve: [auto build test WARNING on asoc/for-next] [also build test WARNING on robh/for-next sound/for-next v5.13-rc3 next-20210524] [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] url: https://github.com/0day-ci/linux/commits/Srinivas-Kandagatla/ASoC-codecs-add-wcd938x-support/20210524-165120 base: https://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound.git for-next config: nds32-randconfig-r036-20210524 (attached as .config) compiler: nds32le-linux-gcc (GCC) 9.3.0 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/0day-ci/linux/commit/c81c76233b1a406d3b9460527a17cabb4f62a5d3 git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Srinivas-Kandagatla/ASoC-codecs-add-wcd938x-support/20210524-165120 git checkout c81c76233b1a406d3b9460527a17cabb4f62a5d3 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=nds32 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@xxxxxxxxx> All warnings (new ones prefixed by >>): In file included from sound/soc/codecs/wcd938x.c:26: >> sound/soc/codecs/wcd938x.h:697:5: warning: no previous prototype for 'wcd938x_sdw_hw_params' [-Wmissing-prototypes] 697 | int wcd938x_sdw_hw_params(struct wcd938x_sdw_priv *wcd, | ^~~~~~~~~~~~~~~~~~~~~ vim +/wcd938x_sdw_hw_params +697 sound/soc/codecs/wcd938x.h 690 691 static inline int wcd938x_sdw_set_sdw_stream(struct wcd938x_sdw_priv *wcd, 692 struct snd_soc_dai *dai, 693 void *stream, int direction) 694 { 695 return -EOPNOTSUPP; 696 } > 697 int wcd938x_sdw_hw_params(struct wcd938x_sdw_priv *wcd, --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx
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