[linux-next:master 9402/10518] drivers/media/pci/intel/ivsc/mei_csi.c:342:10: error: call to undeclared function 'v4l2_subdev_get_try_format'; ISO C99 and later do not support implicit function declarations

[linux-next:master 9402/10518] drivers/media/pci/intel/ivsc/mei_csi.c:342:10: error: call to undeclared function 'v4l2_subdev_get_try_format'; ISO C99 and later do not support implicit function declarations

[kernel test robot]

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master
head:   ef66bf8aeb91fd331cf8f5dca8f9d7bca9ab2849
commit: 29006e196a5661d9afc8152fa2bf8a5347ac17b4 [9402/10518] media: pci: intel: ivsc: Add CSI submodule
config: x86_64-randconfig-x074-20230817 (https://download.01.org/0day-ci/archive/20230817/202308170227.ymiFlMbT-lkp@intel.com/config)
compiler: clang version 16.0.4 (https://github.com/llvm/llvm-project.git ae42196bc493ffe877a7e3dff8be32035dea4d07)
reproduce: (https://download.01.org/0day-ci/archive/20230817/202308170227.ymiFlMbT-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/202308170227.ymiFlMbT-lkp@intel.com/

All errors (new ones prefixed by >>):

>> drivers/media/pci/intel/ivsc/mei_csi.c:342:10: error: call to undeclared function 'v4l2_subdev_get_try_format'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
                   return v4l2_subdev_get_try_format(sd, sd_state, pad);
                          ^
>> drivers/media/pci/intel/ivsc/mei_csi.c:342:10: error: incompatible integer to pointer conversion returning 'int' from a function with result type 'struct v4l2_mbus_framefmt *' [-Wint-conversion]
                   return v4l2_subdev_get_try_format(sd, sd_state, pad);
                          ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   drivers/media/pci/intel/ivsc/mei_csi.c:360:16: error: call to undeclared function 'v4l2_subdev_get_try_format'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
                   mbusformat = v4l2_subdev_get_try_format(sd, sd_state, i);
                                ^
>> drivers/media/pci/intel/ivsc/mei_csi.c:360:14: error: incompatible integer to pointer conversion assigning to 'struct v4l2_mbus_framefmt *' from 'int' [-Wint-conversion]
                   mbusformat = v4l2_subdev_get_try_format(sd, sd_state, i);
                              ^ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   4 errors generated.


vim +/v4l2_subdev_get_try_format +342 drivers/media/pci/intel/ivsc/mei_csi.c

   332	
   333	static struct v4l2_mbus_framefmt *
   334	mei_csi_get_pad_format(struct v4l2_subdev *sd,
   335			       struct v4l2_subdev_state *sd_state,
   336			       unsigned int pad, u32 which)
   337	{
   338		struct mei_csi *csi = sd_to_csi(sd);
   339	
   340		switch (which) {
   341		case V4L2_SUBDEV_FORMAT_TRY:
 > 342			return v4l2_subdev_get_try_format(sd, sd_state, pad);
   343		case V4L2_SUBDEV_FORMAT_ACTIVE:
   344			return &csi->format_mbus[pad];
   345		default:
   346			return NULL;
   347		}
   348	}
   349	
   350	static int mei_csi_init_cfg(struct v4l2_subdev *sd,
   351				    struct v4l2_subdev_state *sd_state)
   352	{
   353		struct v4l2_mbus_framefmt *mbusformat;
   354		struct mei_csi *csi = sd_to_csi(sd);
   355		unsigned int i;
   356	
   357		mutex_lock(&csi->lock);
   358	
   359		for (i = 0; i < sd->entity.num_pads; i++) {
 > 360			mbusformat = v4l2_subdev_get_try_format(sd, sd_state, i);
   361			*mbusformat = mei_csi_format_mbus_default;
   362		}
   363	
   364		mutex_unlock(&csi->lock);
   365	
   366		return 0;
   367	}
   368	

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