Hi Srinivas,

I love your patch! Perhaps something to improve:

[auto build test WARNING on asoc/for-next]
[also build test WARNING on v5.11-rc6 next-20210125]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch]

url:    
https://github.com/0day-ci/linux/commits/Srinivas-Kandagatla/ASoC-codecs-add-support-for-LPASS-Codec-TX-and-RX-macros/20210209-084643
base:   https://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound.git 
for-next
config: arm64-randconfig-r013-20210209 (attached as .config)
compiler: clang version 12.0.0 (https://github.com/llvm/llvm-project 
c9439ca36342fb6013187d0a69aef92736951476)
reproduce (this is a W=1 build):
        wget 
https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O 
~/bin/make.cross
        chmod +x ~/bin/make.cross
        # install arm64 cross compiling tool for clang build
        # apt-get install binutils-aarch64-linux-gnu
        # 
https://github.com/0day-ci/linux/commit/bac854a0c3da12f3b44c7b2f3e89843adb6e585e
        git remote add linux-review https://github.com/0day-ci/linux
        git fetch --no-tags linux-review 
Srinivas-Kandagatla/ASoC-codecs-add-support-for-LPASS-Codec-TX-and-RX-macros/20210209-084643
        git checkout bac854a0c3da12f3b44c7b2f3e89843adb6e585e
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=arm64 

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <l...@intel.com>

All warnings (new ones prefixed by >>):

>> sound/soc/codecs/lpass-rx-macro.c:2439:2: warning: variable 
>> 'hph_lut_bypass_reg' is used uninitialized whenever switch default is taken 
>> [-Wsometimes-uninitialized]
           default:
           ^~~~~~~
   sound/soc/codecs/lpass-rx-macro.c:2443:6: note: uninitialized use occurs here
           if (hph_lut_bypass_reg && SND_SOC_DAPM_EVENT_ON(event)) {
               ^~~~~~~~~~~~~~~~~~
   sound/soc/codecs/lpass-rx-macro.c:2427:24: note: initialize the variable 
'hph_lut_bypass_reg' to silence this warning
           u16 hph_lut_bypass_reg;
                                 ^
                                  = 0
   1 warning generated.


vim +/hph_lut_bypass_reg +2439 sound/soc/codecs/lpass-rx-macro.c

  2422  
  2423  static void rx_macro_hphdelay_lutbypass(struct snd_soc_component 
*component,
  2424                                          struct rx_macro *rx,
  2425                                          u16 interp_idx, int event)
  2426  {
  2427          u16 hph_lut_bypass_reg;
  2428          u16 hph_comp_ctrl7;
  2429  
  2430          switch (interp_idx) {
  2431          case INTERP_HPHL:
  2432                  hph_lut_bypass_reg = CDC_RX_TOP_HPHL_COMP_LUT;
  2433                  hph_comp_ctrl7 = CDC_RX_COMPANDER0_CTL7;
  2434                  break;
  2435          case INTERP_HPHR:
  2436                  hph_lut_bypass_reg = CDC_RX_TOP_HPHR_COMP_LUT;
  2437                  hph_comp_ctrl7 = CDC_RX_COMPANDER1_CTL7;
  2438                  break;
> 2439          default:
  2440                  break;
  2441          }
  2442  
  2443          if (hph_lut_bypass_reg && SND_SOC_DAPM_EVENT_ON(event)) {
  2444                  if (interp_idx == INTERP_HPHL) {
  2445                          if (rx->is_ear_mode_on)
  2446                                  snd_soc_component_write_field(component,
  2447                                          CDC_RX_RX0_RX_PATH_CFG1,
  2448                                          CDC_RX_RX0_HPH_L_EAR_SEL_MASK, 
0x1);
  2449                          else
  2450                                  snd_soc_component_write_field(component,
  2451                                          hph_lut_bypass_reg,
  2452                                          CDC_RX_TOP_HPH_LUT_BYPASS_MASK, 
1);
  2453                  } else {
  2454                          snd_soc_component_write_field(component, 
hph_lut_bypass_reg,
  2455                                          CDC_RX_TOP_HPH_LUT_BYPASS_MASK, 
1);
  2456                  }
  2457                  if (rx->hph_pwr_mode)
  2458                          snd_soc_component_write_field(component, 
hph_comp_ctrl7,
  2459                                          
CDC_RX_COMPANDER1_HPH_LOW_PWR_MODE_MASK, 0x0);
  2460          }
  2461  
  2462          if (hph_lut_bypass_reg && SND_SOC_DAPM_EVENT_OFF(event)) {
  2463                  snd_soc_component_write_field(component,
  2464                                          CDC_RX_RX0_RX_PATH_CFG1,
  2465                                          CDC_RX_RX0_HPH_L_EAR_SEL_MASK, 
0x0);
  2466                  snd_soc_component_update_bits(component, 
hph_lut_bypass_reg,
  2467                                          CDC_RX_TOP_HPH_LUT_BYPASS_MASK, 
0);
  2468                  snd_soc_component_write_field(component, hph_comp_ctrl7,
  2469                                          
CDC_RX_COMPANDER1_HPH_LOW_PWR_MODE_MASK, 0x1);
  2470          }
  2471  }
  2472  

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-...@lists.01.org

Attachment: .config.gz
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