tree: https://git.kernel.org/pub/scm/linux/kernel/git/broonie/misc.git asoc-5.12 head: d40dac7ae8c0f213ac1da7896c35ddc2c58419ab commit: d9cd22e9c87cb61488d00f7279cfb2abf5238879 [97/99] ASoC: codec: Add driver for JZ4760 internal codec config: c6x-randconfig-r011-20210209 (attached as .config) compiler: c6x-elf-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://git.kernel.org/pub/scm/linux/kernel/git/broonie/misc.git/commit/?... git remote add broonie-misc https://git.kernel.org/pub/scm/linux/kernel/git/broonie/misc.git git fetch --no-tags broonie-misc asoc-5.12 git checkout d9cd22e9c87cb61488d00f7279cfb2abf5238879 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=c6x If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; All warnings (new ones prefixed by >>): sound/soc/codecs/jz4760.c: In function 'jz4760_codec_startup': 201 | int ret; | ^~~ vim +/ret +201 sound/soc/codecs/jz4760.c 195 196 static int jz4760_codec_startup(struct snd_pcm_substream *substream, 197 struct snd_soc_dai *dai) 198 { 199 struct snd_soc_component *codec = dai->component; 200 struct snd_soc_dapm_context *dapm = snd_soc_component_get_dapm(codec); 202 203 /* 204 * SYSCLK output from the codec to the AIC is required to keep the 205 * DMA transfer going during playback when all audible outputs have 206 * been disabled. 207 */ 208 if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) 209 ret = snd_soc_dapm_force_enable_pin(dapm, "SYSCLK"); 210 return 0; 211 } 212 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org