sound/soc/codecs/rt1019.c:878:34: warning: 'rt1019_of_match' defined but not used

[kernel test robot]

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   4b0986a3613c92f4ec1bdc7f60ec66fea135991f
commit: 7ec79d3850d0cb6dc52e6aa472886ab3adf15863 ASoC: rt1019: add rt1019 amplifier driver
date:   1 year, 2 months ago
config: i386-buildonly-randconfig-r002-20220523 (https://download.01.org/0day-ci/archive/20220523/202205231529.IKeOZxBe-lkp@xxxxxxxxx/config)
compiler: gcc-11 (Debian 11.3.0-1) 11.3.0
reproduce (this is a W=1 build):
        # https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=7ec79d3850d0cb6dc52e6aa472886ab3adf15863
        git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
        git fetch --no-tags linus master
        git checkout 7ec79d3850d0cb6dc52e6aa472886ab3adf15863
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        make W=1 O=build_dir ARCH=i386 SHELL=/bin/bash drivers/clk/imx/ drivers/irqchip/ drivers/media/platform/ drivers/soc/ixp4xx/ sound/soc/codecs/

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

All warnings (new ones prefixed by >>):

>> sound/soc/codecs/rt1019.c:878:34: warning: 'rt1019_of_match' defined but not used [-Wunused-const-variable=]
     878 | static const struct of_device_id rt1019_of_match[] = {
         |                                  ^~~~~~~~~~~~~~~


vim +/rt1019_of_match +878 sound/soc/codecs/rt1019.c

   877	
 > 878	static const struct of_device_id rt1019_of_match[] = {
   879		{ .compatible = "realtek,rt1019", },
   880		{},
   881	};
   882	MODULE_DEVICE_TABLE(of, rt1019_of_match);
   883	

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