Hi Oswald, kernel test robot noticed the following build warnings: [auto build test WARNING on tiwai-sound/for-next] [also build test WARNING on next-20230406] [cannot apply to tiwai-sound/for-linus linus/master v6.3-rc5] [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#_base_tree_information] url: https://github.com/intel-lab-lkp/linux/commits/Oswald-Buddenhagen/docs-sound-kernel-api-writing-an-alsa-driver-rst-polishing/20230406-042253 base: https://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound.git for-next patch link: https://lore.kernel.org/r/20230405201220.2197863-1-oswald.buddenhagen%40gmx.de patch subject: [PATCH] docs: sound: kernel-api: writing-an-alsa-driver.rst: polishing reproduce: # https://github.com/intel-lab-lkp/linux/commit/7d621283190964e9edd72b8960fe9819339d62d8 git remote add linux-review https://github.com/intel-lab-lkp/linux git fetch --no-tags linux-review Oswald-Buddenhagen/docs-sound-kernel-api-writing-an-alsa-driver-rst-polishing/20230406-042253 git checkout 7d621283190964e9edd72b8960fe9819339d62d8 make menuconfig # enable CONFIG_COMPILE_TEST, CONFIG_WARN_MISSING_DOCUMENTS, CONFIG_WARN_ABI_ERRORS make htmldocs If you fix the issue, kindly add following tag where applicable | Reported-by: kernel test robot <lkp@xxxxxxxxx> | Link: https://lore.kernel.org/oe-kbuild-all/202304062227.WvZq9Td4-lkp@xxxxxxxxx/ All warnings (new ones prefixed by >>): >> Documentation/sound/kernel-api/writing-an-alsa-driver.rst:3992: WARNING: Literal block expected; none found. >> Documentation/sound/kernel-api/writing-an-alsa-driver.rst:4004: WARNING: Unexpected indentation. vim +3992 Documentation/sound/kernel-api/writing-an-alsa-driver.rst 7ddedebb03b7ec Takashi Iwai 2016-09-29 3989 7d621283190964 Oswald Buddenhagen 2023-04-05 3990 Suppose you have a file xyz.c. Add the following two lines:: 7ddedebb03b7ec Takashi Iwai 2016-09-29 3991 7ddedebb03b7ec Takashi Iwai 2016-09-29 @3992 snd-xyz-objs := xyz.o 7ddedebb03b7ec Takashi Iwai 2016-09-29 3993 obj-$(CONFIG_SND_XYZ) += snd-xyz.o 7ddedebb03b7ec Takashi Iwai 2016-09-29 3994 7ddedebb03b7ec Takashi Iwai 2016-09-29 3995 2. Create the Kconfig entry 7ddedebb03b7ec Takashi Iwai 2016-09-29 3996 7d621283190964 Oswald Buddenhagen 2023-04-05 3997 Add the new entry of Kconfig for your xyz driver:: 7d621283190964 Oswald Buddenhagen 2023-04-05 3998 7d621283190964 Oswald Buddenhagen 2023-04-05 3999 config SND_XYZ 7d621283190964 Oswald Buddenhagen 2023-04-05 4000 tristate "Foobar XYZ" 7d621283190964 Oswald Buddenhagen 2023-04-05 4001 depends on SND 7d621283190964 Oswald Buddenhagen 2023-04-05 4002 select SND_PCM 7d621283190964 Oswald Buddenhagen 2023-04-05 4003 help 7d621283190964 Oswald Buddenhagen 2023-04-05 @4004 Say Y here to include support for Foobar XYZ soundcard. 7d621283190964 Oswald Buddenhagen 2023-04-05 4005 To compile this driver as a module, choose M here: 7d621283190964 Oswald Buddenhagen 2023-04-05 4006 the module will be called snd-xyz. 7d621283190964 Oswald Buddenhagen 2023-04-05 4007 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests
