Re: [PATCH 1/2] em28xx: Add support for Empia em2828X bridge

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

Hi Bradford,

kernel test robot noticed the following build warnings:

[auto build test WARNING on linuxtv-media-pending/master]
[also build test WARNING on media-tree/master sailus-media-tree/master linus/master sailus-media-tree/streams v7.0-rc4 next-20260318]
[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/Bradford-Love/em28xx-Add-support-for-Empia-em2828X-bridge/20260318-090020
base:   https://git.linuxtv.org/media-ci/media-pending.git master
patch link:    https://lore.kernel.org/r/20260312224915.2907539-2-brad%40nextdimension.cc
patch subject: [PATCH 1/2] em28xx: Add support for Empia em2828X bridge
config: xtensa-randconfig-r073-20260319 (https://download.01.org/0day-ci/archive/20260319/202603190334.ERNDESst-lkp@intel.com/config)
compiler: xtensa-linux-gcc (GCC) 8.5.0
smatch: v0.5.0-9004-gb810ac53
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260319/202603190334.ERNDESst-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/202603190334.ERNDESst-lkp@intel.com/

All warnings (new ones prefixed by >>):

>> drivers/media/usb/em28xx/em28xx-dvb.c:299:5: warning: no previous prototype for 'em28xx_set_analog_freq' [-Wmissing-prototypes]
    int em28xx_set_analog_freq(struct em28xx *dev, u32 freq)
        ^~~~~~~~~~~~~~~~~~~~~~


vim +/em28xx_set_analog_freq +299 drivers/media/usb/em28xx/em28xx-dvb.c

   298	
 > 299	int em28xx_set_analog_freq(struct em28xx *dev, u32 freq)
   300	{
   301		const struct dvb_tuner_ops *dops = &dev->dvb->fe[0]->ops.tuner_ops;
   302	
   303		if (dops->set_analog_params != NULL) {
   304			struct analog_parameters params;
   305	
   306			params.frequency = freq;
   307			params.std = dev->v4l2->norm;
   308			params.mode = 0;
   309	
   310			dops->set_analog_params(dev->dvb->fe[0], &params);
   311		}
   312		return 0;
   313	}
   314	/* ------------------------------------------------------------------ */
   315	

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