Hi Cheng-Yi, Thank you for the patch! Yet something to improve: [auto build test ERROR on asoc/for-next] [also build test ERROR on linux/master linus/master v5.8-rc7 next-20200731] [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/Cheng-Yi-Chiang/Add-documentation-and-machine-driver-for-SC7180-sound-card/20200731-164257 base: https://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound.git for-next config: arm-allmodconfig (attached as .config) compiler: arm-linux-gnueabi-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 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=arm If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot All errors (new ones prefixed by >>): >> sound/soc/qcom/sc7180.c:7:10: fatal error: dt-bindings/sound/sc7180-lpass.h: No such file or directory 7 | #include | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ compilation terminated. vim +7 sound/soc/qcom/sc7180.c 6 > 7 #include 8 #include 9 #include 10 #include 11 #include 12 #include 13 #include 14 #include 15 #include 16 #include 17 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org