[wens:sunxi-wip 22/36] sound/soc/sunxi/sun4i-codec.c:2129:35: warning: 'sun55i_codec_ch_vol_scale' defined but not used

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

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/wens/linux.git sunxi-wip
head:   e8e10ee67982c55fd3900953641c680a2fbef1c6
commit: 26aaaa5549cb3eb3943ab92ffdfbe36a8eacda2e [22/36] ASoC: sun4i-codec: Support playback for A523 SoC family's audio codec
config: csky-randconfig-2000-20261030 (https://download.01.org/0day-ci/archive/20261031/202610310340.T4hfSMiG-lkp@intel.com/config)
compiler: csky-linux-gcc (GCC) 15.3.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20261031/202610310340.T4hfSMiG-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/202610310340.T4hfSMiG-lkp@intel.com/

All warnings (new ones prefixed by >>):

   In file included from include/sound/tlv.h:10,
                    from sound/soc/sunxi/sun4i-codec.c:31:
>> sound/soc/sunxi/sun4i-codec.c:2129:35: warning: 'sun55i_codec_ch_vol_scale' defined but not used [-Wunused-const-variable=]
    2129 | static const DECLARE_TLV_DB_SCALE(sun55i_codec_ch_vol_scale, -11925, 75, 1);
         |                                   ^~~~~~~~~~~~~~~~~~~~~~~~~
   include/uapi/sound/tlv.h:55:22: note: in definition of macro 'SNDRV_CTL_TLVD_DECLARE_DB_SCALE'
      55 |         unsigned int name[] = { \
         |                      ^~~~
   sound/soc/sunxi/sun4i-codec.c:2129:14: note: in expansion of macro 'DECLARE_TLV_DB_SCALE'
    2129 | static const DECLARE_TLV_DB_SCALE(sun55i_codec_ch_vol_scale, -11925, 75, 1);
         |              ^~~~~~~~~~~~~~~~~~~~


vim +/sun55i_codec_ch_vol_scale +2129 sound/soc/sunxi/sun4i-codec.c

  2126	
  2127	/* volume / mute controls */
  2128	static const DECLARE_TLV_DB_SCALE(sun55i_codec_dvol_scale, -7308, 116, 0);
> 2129	static const DECLARE_TLV_DB_SCALE(sun55i_codec_ch_vol_scale, -11925, 75, 1);
  2130	static const DECLARE_TLV_DB_SCALE(sun55i_codec_hp_vol_scale, -4200, 600, 0);
  2131	static const DECLARE_TLV_DB_RANGE(sun55i_codec_lineout_vol_scale,
  2132		0, 1, TLV_DB_SCALE_ITEM(TLV_DB_GAIN_MUTE, 0, 1),
  2133		2, 31, TLV_DB_SCALE_ITEM(-4350, 150, 0),
  2134	);
  2135	static const char * const sun55i_codec_cpldo_volt_enum_text[] = {
  2136		"0.9V", "1.0V", "1.1V", "1.2V"
  2137	};
  2138	static SOC_ENUM_SINGLE_DECL(sun55i_codec_cpldo_volt_enum, SUN55I_CODEC_DAC,
  2139				    SUN55I_CODEC_DAC_CPLDO_VOLT,
  2140				    sun55i_codec_cpldo_volt_enum_text);
  2141	

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