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

kernel test robot
2025-03-20T08:30:36Z

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: s390-allmodconfig (https://download.01.org/0day-ci/archive/20250320/202503201641.wf8Oe0aR-lkp@intel.com/config)
compiler: clang version 18.1.8 (https://github.com/llvm/llvm-project 3b5b5c1ec4a3095ab096dd780e84d7ab81f3d7ff)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250320/202503201641.wf8Oe0aR-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/202503201641.wf8Oe0aR-lkp@intel.com/

All warnings (new ones prefixed by >>):

>> sound/soc/meson/g12a-toacodec.c:135:38: warning: unused variable 's4_toacodec_clk_enable' [-Wunused-const-variable]
135 | static const struct snd_kcontrol_new s4_toacodec_clk_enable =
| ^~~~~~~~~~~~~~~~~~~~~~
1 warning generated.

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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