Hi Wesley,

[FYI, it's a private test report for your RFC patch.]
[auto build test WARNING on broonie-sound/for-next]
[also build test WARNING on tiwai-sound/for-next tiwai-sound/for-linus usb/usb-testing usb/usb-next usb/usb-linus linus/master v6.1 next-20221220]
[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/Wesley-Cheng/ASoC-Add-SOC-USB-APIs-for-adding-an-USB-backend/20221224-073625
base:   https://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound.git for-next
patch link:    https://lore.kernel.org/r/20221223233200.26089-3-quic_wcheng%40quicinc.com
patch subject: [RFC PATCH 02/14] ASoC: qcom: qdsp6: Introduce USB AFE port to q6dsp
config: m68k-allmodconfig
compiler: m68k-linux-gcc (GCC) 12.1.0
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
        # https://github.com/intel-lab-lkp/linux/commit/68a3f2662ef47598be991a87df84e8f489e9d3cb
        git remote add linux-review https://github.com/intel-lab-lkp/linux
        git fetch --no-tags linux-review Wesley-Cheng/ASoC-Add-SOC-USB-APIs-for-adding-an-USB-backend/20221224-073625
        git checkout 68a3f2662ef47598be991a87df84e8f489e9d3cb
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=m68k olddefconfig
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=m68k SHELL=/bin/bash sound/soc/qcom/qdsp6/

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

All warnings (new ones prefixed by >>):

>> sound/soc/qcom/qdsp6/q6afe.c:1397:5: warning: no previous prototype for 'afe_port_send_usb_dev_param' [-Wmissing-prototypes]
    1397 | int afe_port_send_usb_dev_param(struct q6afe_port *port, struct q6afe_usb_cfg *cfg)
         |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~
   sound/soc/qcom/qdsp6/q6afe.c: In function 'q6afe_port_get_from_id':
>> sound/soc/qcom/qdsp6/q6afe.c:1794:26: warning: this statement may fall through [-Wimplicit-fallthrough=]
    1794 |                 cfg_type = AFE_PARAM_ID_CODEC_DMA_CONFIG;
         |                          ^
   sound/soc/qcom/qdsp6/q6afe.c:1795:9: note: here
    1795 |         case AFE_PORT_ID_USB_RX:
         |         ^~~~


vim +/afe_port_send_usb_dev_param +1397 sound/soc/qcom/qdsp6/q6afe.c

  1396	
> 1397	int afe_port_send_usb_dev_param(struct q6afe_port *port, struct q6afe_usb_cfg *cfg)
  1398	{
  1399		union afe_port_config *pcfg = &port->port_cfg;
  1400		struct afe_param_id_usb_audio_dev_params usb_dev;
  1401		struct afe_param_id_usb_audio_dev_lpcm_fmt lpcm_fmt;
  1402		struct afe_param_id_usb_audio_svc_interval svc_int;
  1403		int ret = 0;
  1404	
  1405		if (!pcfg) {
  1406			pr_err("%s: Error, no configuration data\n", __func__);
  1407			ret = -EINVAL;
  1408			goto exit;
  1409		}
  1410	
  1411		memset(&usb_dev, 0, sizeof(usb_dev));
  1412		memset(&lpcm_fmt, 0, sizeof(lpcm_fmt));
  1413	
  1414		usb_dev.cfg_minor_version = AFE_API_MINOR_VERSION_USB_AUDIO_CONFIG;
  1415		q6afe_port_set_param_v2(port, &usb_dev,
  1416						AFE_PARAM_ID_USB_AUDIO_DEV_PARAMS,
  1417						AFE_MODULE_AUDIO_DEV_INTERFACE, sizeof(usb_dev));
  1418		if (ret) {
  1419			pr_err("%s: AFE device param cmd failed %d\n",
  1420				__func__, ret);
  1421			goto exit;
  1422		}
  1423	
  1424		lpcm_fmt.cfg_minor_version = AFE_API_MINOR_VERSION_USB_AUDIO_CONFIG;
  1425		lpcm_fmt.endian = pcfg->usb_cfg.endian;
  1426		ret = q6afe_port_set_param_v2(port, &lpcm_fmt,
  1427						AFE_PARAM_ID_USB_AUDIO_DEV_LPCM_FMT,
  1428						AFE_MODULE_AUDIO_DEV_INTERFACE, sizeof(lpcm_fmt));
  1429		if (ret) {
  1430			pr_err("%s: AFE device param cmd LPCM_FMT failed %d\n",
  1431				__func__, ret);
  1432			goto exit;
  1433		}
  1434	
  1435		svc_int.cfg_minor_version =
  1436			AFE_API_MINOR_VERSION_USB_AUDIO_CONFIG;
  1437		svc_int.svc_interval = pcfg->usb_cfg.service_interval;
  1438		ret = q6afe_port_set_param_v2(port, &svc_int,
  1439						AFE_PARAM_ID_USB_AUDIO_SVC_INTERVAL,
  1440						AFE_MODULE_AUDIO_DEV_INTERFACE, sizeof(svc_int));
  1441		if (ret) {
  1442			pr_err("%s: AFE device param cmd svc_interval failed %d\n",
  1443				__func__, ret);
  1444			ret = -EINVAL;
  1445			goto exit;
  1446		}
  1447	exit:
  1448		return ret;
  1449	}
  1450	

-- 
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