tree: https://github.com/plbossart/sound fix/more-dpcm-fixes head: daf63cf6c66926660b7ec88f6e017d97b30fc4d2 commit: daf63cf6c66926660b7ec88f6e017d97b30fc4d2 [5/5] ASoC: soc-dai: set dai_link dpcm_ flags with a helper config: i386-allyesconfig (attached as .config) compiler: gcc-9 (Debian 9.3.0-13) 9.3.0 reproduce (this is a W=1 build): git checkout daf63cf6c66926660b7ec88f6e017d97b30fc4d2 # save the attached .config to linux build tree make W=1 ARCH=i386 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 >>, old ones prefixed by <<): sound/soc/soc-dai.c: In function 'snd_soc_dai_link_set_capabilities': 428 | dai_link->dpcm_capture = supported[SNDRV_PCM_STREAM_CAPTURE]; | ~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ vim +428 sound/soc/soc-dai.c 393 394 /* 395 * snd_soc_dai_link_set_capabilities() - set dai_link properties based on its DAIs 396 */ 397 void snd_soc_dai_link_set_capabilities(struct snd_soc_dai_link *dai_link) 398 { 399 struct snd_soc_dai_link_component *cpu; 400 struct snd_soc_dai_link_component *codec; 401 struct snd_soc_dai *dai; 402 bool supported[SNDRV_PCM_STREAM_LAST]; 403 int direction; 404 int i; 405 406 for_each_pcm_streams(direction) { 407 supported[direction] = true; 408 409 for_each_link_cpus(dai_link, i, cpu) { 410 dai = snd_soc_find_dai(cpu); 411 if (!dai || !snd_soc_dai_stream_valid(dai, direction)) { 412 supported[direction] = false; 413 break; 414 } 415 } 416 if (!supported[direction]) 417 continue; 418 for_each_link_codecs(dai_link, i, codec) { 419 dai = snd_soc_find_dai(codec); 420 if (!dai || !snd_soc_dai_stream_valid(dai, direction)) { 421 supported[direction] = false; 422 break; 423 } 424 } 425 } 426 427 dai_link->dpcm_playback = supported[SNDRV_PCM_STREAM_PLAYBACK]; 429 } 430 EXPORT_SYMBOL_GPL(snd_soc_dai_link_set_capabilities); 431 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org