Re: [PATCH 2/2] ASoC: codecs:lpass-wsa-macro: Fix logic of enabling vi channels

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Hi Srinivas,

kernel test robot noticed the following build warnings:

[auto build test WARNING on 1613e604df0cd359cf2a7fbd9be7a0bcfacfabd0]

url:    https://github.com/intel-lab-lkp/linux/commits/Srinivas-Kandagatla/ASoC-codecs-lpass-wsa-macro-Fix-vi-feedback-rate/20240618-221030
base:   1613e604df0cd359cf2a7fbd9be7a0bcfacfabd0
patch link:    https://lore.kernel.org/r/20240618-lpass-wsa-vi-v1-2-416a6f162c81%40linaro.org
patch subject: [PATCH 2/2] ASoC: codecs:lpass-wsa-macro: Fix logic of enabling vi channels
config: i386-buildonly-randconfig-002-20240619 (https://download.01.org/0day-ci/archive/20240619/202406191005.yMuWtspN-lkp@xxxxxxxxx/config)
compiler: clang version 18.1.5 (https://github.com/llvm/llvm-project 617a15a9eac96088ae5e9134248d8236e34b91b1)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240619/202406191005.yMuWtspN-lkp@xxxxxxxxx/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@xxxxxxxxx>
| Closes: https://lore.kernel.org/oe-kbuild-all/202406191005.yMuWtspN-lkp@xxxxxxxxx/

All warnings (new ones prefixed by >>):

   sound/soc/codecs/lpass-wsa-macro.c:999:2: warning: unannotated fall-through between switch labels [-Wimplicit-fallthrough]
     999 |         default:
         |         ^
   sound/soc/codecs/lpass-wsa-macro.c:999:2: note: insert 'break;' to avoid fall-through
     999 |         default:
         |         ^
         |         break; 
>> sound/soc/codecs/lpass-wsa-macro.c:1238:6: warning: variable 'tx_reg0' set but not used [-Wunused-but-set-variable]
    1238 |         u32 tx_reg0, tx_reg1;
         |             ^
>> sound/soc/codecs/lpass-wsa-macro.c:1238:15: warning: variable 'tx_reg1' set but not used [-Wunused-but-set-variable]
    1238 |         u32 tx_reg0, tx_reg1;
         |                      ^
   3 warnings generated.


vim +/tx_reg0 +1238 sound/soc/codecs/lpass-wsa-macro.c

0c27e978419e7e Srinivas Kandagatla 2024-06-18  1231  
2c4066e5d428d4 Srinivas Kandagatla 2020-11-05  1232  static int wsa_macro_enable_vi_feedback(struct snd_soc_dapm_widget *w,
2c4066e5d428d4 Srinivas Kandagatla 2020-11-05  1233  					struct snd_kcontrol *kcontrol,
2c4066e5d428d4 Srinivas Kandagatla 2020-11-05  1234  					int event)
2c4066e5d428d4 Srinivas Kandagatla 2020-11-05  1235  {
2c4066e5d428d4 Srinivas Kandagatla 2020-11-05  1236  	struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
2c4066e5d428d4 Srinivas Kandagatla 2020-11-05  1237  	struct wsa_macro *wsa = snd_soc_component_get_drvdata(component);
2c4066e5d428d4 Srinivas Kandagatla 2020-11-05 @1238  	u32 tx_reg0, tx_reg1;
2881dae5fbb091 Srinivas Kandagatla 2024-06-18  1239  	u32 rate_val;
2881dae5fbb091 Srinivas Kandagatla 2024-06-18  1240  
2881dae5fbb091 Srinivas Kandagatla 2024-06-18  1241  	switch (wsa->pcm_rate_vi) {
2881dae5fbb091 Srinivas Kandagatla 2024-06-18  1242  	case 8000:
2881dae5fbb091 Srinivas Kandagatla 2024-06-18  1243  		rate_val = CDC_WSA_TX_SPKR_PROT_PCM_RATE_8K;
2881dae5fbb091 Srinivas Kandagatla 2024-06-18  1244  		break;
2881dae5fbb091 Srinivas Kandagatla 2024-06-18  1245  	case 16000:
2881dae5fbb091 Srinivas Kandagatla 2024-06-18  1246  		rate_val = CDC_WSA_TX_SPKR_PROT_PCM_RATE_16K;
2881dae5fbb091 Srinivas Kandagatla 2024-06-18  1247  		break;
2881dae5fbb091 Srinivas Kandagatla 2024-06-18  1248  	case 24000:
2881dae5fbb091 Srinivas Kandagatla 2024-06-18  1249  		rate_val = CDC_WSA_TX_SPKR_PROT_PCM_RATE_24K;
2881dae5fbb091 Srinivas Kandagatla 2024-06-18  1250  		break;
2881dae5fbb091 Srinivas Kandagatla 2024-06-18  1251  	case 32000:
2881dae5fbb091 Srinivas Kandagatla 2024-06-18  1252  		rate_val = CDC_WSA_TX_SPKR_PROT_PCM_RATE_32K;
2881dae5fbb091 Srinivas Kandagatla 2024-06-18  1253  		break;
2881dae5fbb091 Srinivas Kandagatla 2024-06-18  1254  	case 48000:
2881dae5fbb091 Srinivas Kandagatla 2024-06-18  1255  		rate_val = CDC_WSA_TX_SPKR_PROT_PCM_RATE_48K;
2881dae5fbb091 Srinivas Kandagatla 2024-06-18  1256  		break;
2881dae5fbb091 Srinivas Kandagatla 2024-06-18  1257  	default:
2881dae5fbb091 Srinivas Kandagatla 2024-06-18  1258  		rate_val = CDC_WSA_TX_SPKR_PROT_PCM_RATE_8K;
2881dae5fbb091 Srinivas Kandagatla 2024-06-18  1259  		break;
2881dae5fbb091 Srinivas Kandagatla 2024-06-18  1260  	}
2c4066e5d428d4 Srinivas Kandagatla 2020-11-05  1261  
2c4066e5d428d4 Srinivas Kandagatla 2020-11-05  1262  	if (test_bit(WSA_MACRO_TX0, &wsa->active_ch_mask[WSA_MACRO_AIF_VI])) {
2c4066e5d428d4 Srinivas Kandagatla 2020-11-05  1263  		tx_reg0 = CDC_WSA_TX0_SPKR_PROT_PATH_CTL;
2c4066e5d428d4 Srinivas Kandagatla 2020-11-05  1264  		tx_reg1 = CDC_WSA_TX1_SPKR_PROT_PATH_CTL;
2c4066e5d428d4 Srinivas Kandagatla 2020-11-05  1265  	} else if (test_bit(WSA_MACRO_TX1, &wsa->active_ch_mask[WSA_MACRO_AIF_VI])) {
2c4066e5d428d4 Srinivas Kandagatla 2020-11-05  1266  		tx_reg0 = CDC_WSA_TX2_SPKR_PROT_PATH_CTL;
2c4066e5d428d4 Srinivas Kandagatla 2020-11-05  1267  		tx_reg1 = CDC_WSA_TX3_SPKR_PROT_PATH_CTL;
2c4066e5d428d4 Srinivas Kandagatla 2020-11-05  1268  	}
2c4066e5d428d4 Srinivas Kandagatla 2020-11-05  1269  
2c4066e5d428d4 Srinivas Kandagatla 2020-11-05  1270  	switch (event) {
2c4066e5d428d4 Srinivas Kandagatla 2020-11-05  1271  	case SND_SOC_DAPM_POST_PMU:
2c4066e5d428d4 Srinivas Kandagatla 2020-11-05  1272  			/* Enable V&I sensing */
0c27e978419e7e Srinivas Kandagatla 2024-06-18  1273  		wsa_macro_enable_disable_vi_feedback(component, true, rate_val);
2c4066e5d428d4 Srinivas Kandagatla 2020-11-05  1274  		break;
2c4066e5d428d4 Srinivas Kandagatla 2020-11-05  1275  	case SND_SOC_DAPM_POST_PMD:
2c4066e5d428d4 Srinivas Kandagatla 2020-11-05  1276  		/* Disable V&I sensing */
0c27e978419e7e Srinivas Kandagatla 2024-06-18  1277  		wsa_macro_enable_disable_vi_feedback(component, false, rate_val);
2c4066e5d428d4 Srinivas Kandagatla 2020-11-05  1278  		break;
2c4066e5d428d4 Srinivas Kandagatla 2020-11-05  1279  	}
2c4066e5d428d4 Srinivas Kandagatla 2020-11-05  1280  
2c4066e5d428d4 Srinivas Kandagatla 2020-11-05  1281  	return 0;
2c4066e5d428d4 Srinivas Kandagatla 2020-11-05  1282  }
2c4066e5d428d4 Srinivas Kandagatla 2020-11-05  1283  

-- 
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https://github.com/intel/lkp-tests/wiki




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