Hi Vitaly,

Thank you for the patch! Perhaps something to improve:

[auto build test WARNING on sound/for-next]
[also build test WARNING on v5.14-rc3 next-20210726]
[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/Vitaly-Rodionov/ALSA-hda-cirrus-Split-generic-cirrus-HDA-codecs-and-CS8490-bridge-into-separate-modules/20210727-022225
base:   https://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound.git for-next
config: ia64-randconfig-s031-20210726 (attached as .config)
compiler: ia64-linux-gcc (GCC) 10.3.0
reproduce:
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # apt-get install sparse
        # sparse version: v0.6.3-341-g8af24329-dirty
        # https://github.com/0day-ci/linux/commit/25eb89e84220ba0be273351c13cd6d92fc4910b0
        git remote add linux-review https://github.com/0day-ci/linux
        git fetch --no-tags linux-review Vitaly-Rodionov/ALSA-hda-cirrus-Split-generic-cirrus-HDA-codecs-and-CS8490-bridge-into-separate-modules/20210727-022225
        git checkout 25eb89e84220ba0be273351c13cd6d92fc4910b0
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-10.3.0 make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=build_dir ARCH=ia64 SHELL=/bin/bash sound/pci/hda/

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>


sparse warnings: (new ones prefixed by >>)
>> sound/pci/hda/patch_cs8409.c:1061:59: sparse: sparse: Using plain integer as NULL pointer

vim +1061 sound/pci/hda/patch_cs8409.c

  1029	
  1030	void dolphin_fixups(struct hda_codec *codec, const struct hda_fixup *fix, int action)
  1031	{
  1032		struct cs8409_spec *spec = codec->spec;
  1033		struct snd_kcontrol_new *kctrl;
  1034		int i;
  1035	
  1036		switch (action) {
  1037		case HDA_FIXUP_ACT_PRE_PROBE:
  1038			snd_hda_add_verbs(codec, dolphin_init_verbs);
  1039			/* verb exec op override */
  1040			spec->exec_verb = codec->core.exec_verb;
  1041			codec->core.exec_verb = dolphin_exec_verb;
  1042	
  1043			spec->scodecs[CS8409_CODEC0] = &dolphin_cs42l42_0;
  1044			spec->scodecs[CS8409_CODEC0]->codec = codec;
  1045			spec->scodecs[CS8409_CODEC1] = &dolphin_cs42l42_1;
  1046			spec->scodecs[CS8409_CODEC1]->codec = codec;
  1047			spec->num_scodecs = 2;
  1048	
  1049			codec->patch_ops = cs8409_dolphin_patch_ops;
  1050	
  1051			/* GPIO 1,5 out, 0,4 in */
  1052			spec->gpio_dir = spec->scodecs[CS8409_CODEC0]->reset_gpio |
  1053					 spec->scodecs[CS8409_CODEC1]->reset_gpio;
  1054			spec->gpio_data = 0;
  1055			spec->gpio_mask = 0x03f;
  1056	
  1057			/* Basic initial sequence for specific hw configuration */
  1058			snd_hda_sequence_write(codec, dolphin_init_verbs);
  1059	
  1060			snd_hda_jack_add_kctl(codec, DOLPHIN_LO_PIN_NID, "Line Out", true,
> 1061					      SND_JACK_HEADPHONE, 0);
  1062	
  1063			cs8409_fix_caps(codec, DOLPHIN_HP_PIN_NID);
  1064			cs8409_fix_caps(codec, DOLPHIN_LO_PIN_NID);
  1065			cs8409_fix_caps(codec, DOLPHIN_AMIC_PIN_NID);
  1066	
  1067			break;
  1068		case HDA_FIXUP_ACT_PROBE:
  1069			snd_hda_gen_add_kctl(&spec->gen, "Headphone Playback Volume",
  1070					     &cs42l42_dac_volume_mixer);
  1071			snd_hda_gen_add_kctl(&spec->gen, "Mic Capture Volume", &cs42l42_adc_volume_mixer);
  1072			kctrl = snd_hda_gen_add_kctl(&spec->gen, "Line Out Playback Volume",
  1073						     &cs42l42_dac_volume_mixer);
  1074			/* Update Line Out kcontrol template */
  1075			kctrl->private_value = HDA_COMPOSE_AMP_VAL_OFS(DOLPHIN_HP_PIN_NID, 3, CS8409_CODEC1,
  1076					       HDA_OUTPUT, CS42L42_VOL_DAC) | HDA_AMP_VAL_MIN_MUTE;
  1077			cs8409_enable_ur(codec, 0);
  1078			dolphin_hw_init(codec);
  1079			snd_hda_codec_set_name(codec, "CS8409/CS42L42");
  1080			break;
  1081		case HDA_FIXUP_ACT_INIT:
  1082			dolphin_hw_init(codec);
  1083			fallthrough;
  1084		case HDA_FIXUP_ACT_BUILD:
  1085			/* Run jack auto detect first time on boot
  1086			 * after controls have been added, to check if jack has
  1087			 * been already plugged in.
  1088			 * Run immediately after init.
  1089			 */
  1090			for (i = 0; i < spec->num_scodecs; i++) {
  1091				cs42l42_run_jack_detect(spec->scodecs[i]);
  1092				usleep_range(100000, 150000);
  1093			}
  1094	
  1095			break;
  1096		default:
  1097			break;
  1098		}
  1099	}
  1100	

---
0-DAY CI Kernel Test Service, Intel Corporation
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