Hi André,

kernel test robot noticed the following build warnings:

[auto build test WARNING on 1357b2649c026b51353c84ddd32bc963e8999603]

url:    
https://github.com/intel-lab-lkp/linux/commits/Andr-Apitzsch-via-B4-Relay/dt-bindings-media-i2c-Add-DW9718S-DW9719-and-DW9761-VCM/20250818-011316
base:   1357b2649c026b51353c84ddd32bc963e8999603
patch link:    
https://lore.kernel.org/r/20250817-dw9719-v1-3-426f46c69a5a%40apitzsch.eu
patch subject: [PATCH 3/7] media: i2c: dw9719: Add driver_data matching
config: riscv-randconfig-002-20250818 
(https://download.01.org/0day-ci/archive/20250818/202508180429.gkdrjnk9-...@intel.com/config)
compiler: clang version 22.0.0git (https://github.com/llvm/llvm-project 
93d24b6b7b148c47a2fa228a4ef31524fa1d9f3f)
reproduce (this is a W=1 build): 
(https://download.01.org/0day-ci/archive/20250818/202508180429.gkdrjnk9-...@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 <l...@intel.com>
| Closes: 
https://lore.kernel.org/oe-kbuild-all/202508180429.gkdrjnk9-...@intel.com/

All warnings (new ones prefixed by >>):

>> drivers/media/i2c/dw9719.c:285:18: warning: cast to smaller integer type 
>> 'enum dw9719_model' from 'const void *' [-Wvoid-pointer-to-enum-cast]
     285 |         dw9719->model = (enum 
dw9719_model)i2c_get_match_data(client);
         |                         ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   1 warning generated.


vim +285 drivers/media/i2c/dw9719.c

   275  
   276  static int dw9719_probe(struct i2c_client *client)
   277  {
   278          struct dw9719_device *dw9719;
   279          int ret;
   280  
   281          dw9719 = devm_kzalloc(&client->dev, sizeof(*dw9719), 
GFP_KERNEL);
   282          if (!dw9719)
   283                  return -ENOMEM;
   284  
 > 285          dw9719->model = (enum dw9719_model)i2c_get_match_data(client);
   286  
   287          dw9719->regmap = devm_cci_regmap_init_i2c(client, 8);
   288          if (IS_ERR(dw9719->regmap))
   289                  return PTR_ERR(dw9719->regmap);
   290  
   291          dw9719->dev = &client->dev;
   292  
   293          dw9719->regulator = devm_regulator_get(&client->dev, "vdd");
   294          if (IS_ERR(dw9719->regulator))
   295                  return dev_err_probe(&client->dev, 
PTR_ERR(dw9719->regulator),
   296                                       "getting regulator\n");
   297  
   298          v4l2_i2c_subdev_init(&dw9719->sd, client, &dw9719_ops);
   299          dw9719->sd.flags |= V4L2_SUBDEV_FL_HAS_DEVNODE;
   300          dw9719->sd.internal_ops = &dw9719_internal_ops;
   301  
   302          ret = dw9719_init_controls(dw9719);
   303          if (ret)
   304                  return ret;
   305  
   306          ret = media_entity_pads_init(&dw9719->sd.entity, 0, NULL);
   307          if (ret < 0)
   308                  goto err_free_ctrl_handler;
   309  
   310          dw9719->sd.entity.function = MEDIA_ENT_F_LENS;
   311  
   312          /*
   313           * We need the driver to work in the event that pm runtime is 
disable in
   314           * the kernel, so power up and verify the chip now. In the 
event that
   315           * runtime pm is disabled this will leave the chip on, so that 
the lens
   316           * will work.
   317           */
   318  
   319          ret = dw9719_power_up(dw9719, true);
   320          if (ret)
   321                  goto err_cleanup_media;
   322  
   323          pm_runtime_set_active(&client->dev);
   324          pm_runtime_get_noresume(&client->dev);
   325          pm_runtime_enable(&client->dev);
   326  
   327          ret = v4l2_async_register_subdev(&dw9719->sd);
   328          if (ret < 0)
   329                  goto err_pm_runtime;
   330  
   331          pm_runtime_set_autosuspend_delay(&client->dev, 1000);
   332          pm_runtime_use_autosuspend(&client->dev);
   333          pm_runtime_put_autosuspend(&client->dev);
   334  
   335          return ret;
   336  
   337  err_pm_runtime:
   338          pm_runtime_disable(&client->dev);
   339          pm_runtime_put_noidle(&client->dev);
   340          dw9719_power_down(dw9719);
   341  err_cleanup_media:
   342          media_entity_cleanup(&dw9719->sd.entity);
   343  err_free_ctrl_handler:
   344          v4l2_ctrl_handler_free(&dw9719->ctrls.handler);
   345  
   346          return ret;
   347  }
   348  

-- 
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki

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