Re: [PATCH v4 4/6] ASoC: meson: g12a-toacodec: Add s4 tocodec driver

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

Hi jiebing,

kernel test robot noticed the following build warnings:

[auto build test WARNING on 6ecd20965bdc21b265a0671ccf36d9ad8043f5ab]

url:    https://github.com/intel-lab-lkp/linux/commits/jiebing-chen-via-B4-Relay/dt-bindings-clock-meson-Add-audio-power-domain-for-s4-soc/20250319-151110
base:   6ecd20965bdc21b265a0671ccf36d9ad8043f5ab
patch link:    https://lore.kernel.org/r/20250319-audio_drvier-v4-4-686867fad719%40amlogic.com
patch subject: [PATCH v4 4/6] ASoC: meson: g12a-toacodec: Add s4 tocodec driver
config: i386-buildonly-randconfig-005-20250320 (https://download.01.org/0day-ci/archive/20250320/202503200205.amGhOXua-lkp@intel.com/config)
compiler: gcc-12 (Debian 12.2.0-14) 12.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250320/202503200205.amGhOXua-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/202503200205.amGhOXua-lkp@intel.com/

All warnings (new ones prefixed by >>):

>> sound/soc/meson/g12a-toacodec.c:135:38: warning: 's4_toacodec_clk_enable' defined but not used [-Wunused-const-variable=]
     135 | static const struct snd_kcontrol_new s4_toacodec_clk_enable =
         |                                      ^~~~~~~~~~~~~~~~~~~~~~


vim +/s4_toacodec_clk_enable +135 sound/soc/meson/g12a-toacodec.c

   112	
   113	static SOC_ENUM_SINGLE_DECL(g12a_toacodec_mux_enum, TOACODEC_CTRL0,
   114				    CTRL0_DAT_SEL_LSB,
   115				    g12a_toacodec_mux_texts);
   116	
   117	static SOC_ENUM_SINGLE_DECL(sm1_toacodec_mux_enum, TOACODEC_CTRL0,
   118				    CTRL0_DAT_SEL_SM1_LSB,
   119				    g12a_toacodec_mux_texts);
   120	
   121	static const struct snd_kcontrol_new g12a_toacodec_mux =
   122		SOC_DAPM_ENUM_EXT("Source", g12a_toacodec_mux_enum,
   123				  snd_soc_dapm_get_enum_double,
   124				  g12a_toacodec_mux_put_enum);
   125	
   126	static const struct snd_kcontrol_new sm1_toacodec_mux =
   127		SOC_DAPM_ENUM_EXT("Source", sm1_toacodec_mux_enum,
   128				  snd_soc_dapm_get_enum_double,
   129				  g12a_toacodec_mux_put_enum);
   130	
   131	static const struct snd_kcontrol_new g12a_toacodec_out_enable =
   132		SOC_DAPM_SINGLE_AUTODISABLE("Switch", TOACODEC_CTRL0,
   133					    CTRL0_ENABLE_SHIFT, 1, 0);
   134	
 > 135	static const struct snd_kcontrol_new s4_toacodec_clk_enable =
   136		SOC_DAPM_DOUBLE("Switch", TOACODEC_CTRL0,
   137				CTRL0_BCLK_ENABLE_SHIFT, CTRL0_MCLK_ENABLE_SHIFT, 1, 0);
   138	

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