Hi penghao, Thank you for the patch! Yet something to improve: [auto build test ERROR on sound/for-next] [also build test ERROR on v5.9-rc1 next-20200819] [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/penghao/ALSA-usb-audio-Add-prevent-wakeup-from-s3-state-trig-by-Lenovo-ThinkCentre-TI024Gen3-USB-audio/20200819-200006 base: https://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound.git for-next config: x86_64-randconfig-a004-20200818 (attached as .config) compiler: clang version 12.0.0 (https://github.com/llvm/llvm-project b34b1e38381fa4d1b1d9751a6b5233b68e734cfe) 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 # install x86_64 cross compiling tool for clang build # apt-get install binutils-x86-64-linux-gnu # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=x86_64 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot All errors (new ones prefixed by >>): >> sound/usb/card.c:666:28: error: non-ASCII characters are not allowed outside of literals and identifiers device_set_wakeup_enable(＆dev->dev, 0); ^~ >> sound/usb/card.c:666:31: error: passing 'struct device' to parameter of incompatible type 'struct device *'; take the address with & device_set_wakeup_enable(＆dev->dev, 0); ^~~~~~~~ & include/linux/pm_wakeup.h:159:59: note: passing argument to parameter 'dev' here static inline int device_set_wakeup_enable(struct device *dev, bool enable) ^ 2 errors generated. # https://github.com/0day-ci/linux/commit/b49bfa7145277ea86b0487f7fd4e51566477f092 git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review penghao/ALSA-usb-audio-Add-prevent-wakeup-from-s3-state-trig-by-Lenovo-ThinkCentre-TI024Gen3-USB-audio/20200819-200006 git checkout b49bfa7145277ea86b0487f7fd4e51566477f092 vim +666 sound/usb/card.c --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org