Hi Shumin, Thank you for the patch! Perhaps something to improve: [auto build test WARNING on broonie-sound/for-next] [also build test WARNING on v5.16-rc4 next-20211208] [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/Shumin-Chen/This-patches-provide-ASoc-codec-support-for-ES8156/20211210-231527 base: https://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound.git for-next config: x86_64-buildonly-randconfig-r003-20211210 (https://download.01.org/0day-ci/archive/20211211/202112110101.i4FDNZ9c-lkp@xxxxxxxxx/config) compiler: gcc-9 (Debian 9.3.0-22) 9.3.0 reproduce (this is a W=1 build): # https://github.com/0day-ci/linux/commit/4ea33be548d361d7097073473fb018e016091622 git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Shumin-Chen/This-patches-provide-ASoc-codec-support-for-ES8156/20211210-231527 git checkout 4ea33be548d361d7097073473fb018e016091622 # save the config file to linux build tree mkdir build_dir make W=1 O=build_dir ARCH=x86_64 SHELL=/bin/bash sound/soc/codecs/ If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@xxxxxxxxx> All warnings (new ones prefixed by >>): >> sound/soc/codecs/es8156.c:402:5: warning: no previous prototype for 'es8156_headset_detect' [-Wmissing-prototypes] 402 | int es8156_headset_detect(int jack_insert) | ^~~~~~~~~~~~~~~~~~~~~ sound/soc/codecs/es8156.c:421:13: warning: 'hp_work' defined but not used [-Wunused-function] 421 | static void hp_work(struct work_struct *work) | ^~~~~~~ sound/soc/codecs/es8156.c:386:20: warning: 'es8156_irq_handler' defined but not used [-Wunused-function] 386 | static irqreturn_t es8156_irq_handler(int irq, void *data) | ^~~~~~~~~~~~~~~~~~ vim +/es8156_headset_detect +402 sound/soc/codecs/es8156.c 395 396 /* 397 * Call from rk_headset_irq_hook_adc.c 398 * 399 * Enable micbias for HOOK detection and disable external Amplifier 400 * when jack insertion. 401 */ > 402 int es8156_headset_detect(int jack_insert) 403 { 404 struct es8156_priv *es8156; 405 406 if (!es8156_codec) 407 return -1; 408 409 es8156 = snd_soc_component_get_drvdata(es8156_codec); 410 411 es8156->hp_inserted = jack_insert; 412 413 /* enable micbias and disable PA */ 414 if (jack_insert) 415 es8156_enable_spk(es8156, false); 416 417 return 0; 418 } 419 EXPORT_SYMBOL(es8156_headset_detect); 420 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx
