Re: [PATCH] Correct boost volume

[kernel test robot <lkp@intel.com>]

Hi feng.liu,

kernel test robot noticed the following build warnings:

[auto build test WARNING on tiwai-sound/for-next]
[also build test WARNING on tiwai-sound/for-linus linus/master v6.15 next-20250606]
[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/feng-liu/Correct-boost-volume/20250606-201348
base:   https://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound.git for-next
patch link:    https://lore.kernel.org/r/20250606113349.129746-1-feng.liu%40senarytech.com
patch subject: [PATCH] Correct boost volume
config: i386-buildonly-randconfig-002-20250607 (https://download.01.org/0day-ci/archive/20250607/202506070421.thMBn9rY-lkp@intel.com/config)
compiler: gcc-12 (Debian 12.2.0-14) 12.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250607/202506070421.thMBn9rY-lkp@intel.com/reproduce)

If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202506070421.thMBn9rY-lkp@intel.com/

All warnings (new ones prefixed by >>):

   sound/pci/hda/patch_conexant.c: In function 'cxt_get_defaut_capture_gain_boost':
>> sound/pci/hda/patch_conexant.c:1223:1: warning: no return statement in function returning non-void [-Wreturn-type]
    1223 | }
         | ^


vim +1223 sound/pci/hda/patch_conexant.c

  1204	
  1205	static int cxt_get_defaut_capture_gain_boost(struct hda_codec *codec)
  1206	{
  1207		struct conexant_spec *spec = codec->spec;
  1208		int i;
  1209		unsigned int boost;
  1210	
  1211		for (i = 0; i < HDA_MAX_NUM_INPUTS; i++) {
  1212			if (spec->gen.imux_pins[i] == 0)
  1213				continue;
  1214	
  1215			boost = snd_hda_codec_read(codec, spec->gen.imux_pins[i],
  1216				0, AC_VERB_GET_AMP_GAIN_MUTE, 0);
  1217			spec->init_imux_boost_val[spec->gen.imux_pins[i]] = boost;
  1218			codec_info(codec, "%s, node_id = %x, mic_boost =%x", __func__,
  1219				spec->gen.imux_pins[i], boost);
  1220		}
  1221	
  1222		spec->gen.cap_sync_hook = cxt_cap_sync_hook;
> 1223	}
  1224	

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