Re: [PATCH v4 6/7] ASoC: codecs: lpass-tx-macro: add support for lpass tx macro

kernel test robot
2021-02-10T11:07:11Z

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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-rc7 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/20210210-173746
base: https://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound.git for-next
config: nds32-allyesconfig (attached as .config)
compiler: nds32le-linux-gcc (GCC) 9.3.0
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
# https://github.com/0day-ci/linux/commit/f89c637c64f13146c0b9117f3c8a6c43adf5eeb3
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/20210210-173746
git checkout f89c637c64f13146c0b9117f3c8a6c43adf5eeb3
# save the attached .config to linux build tree
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=nds32

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

All warnings (new ones prefixed by >>):

sound/soc/codecs/lpass-tx-macro.c: In function 'tx_macro_tx_hpf_corner_freq_callback':
>> sound/soc/codecs/lpass-tx-macro.c:656:6: warning: variable 'adc_reg' set but not used [-Wunused-but-set-variable]
656 | u16 adc_reg;
| ^~~~~~~

vim +/adc_reg +656 sound/soc/codecs/lpass-tx-macro.c

647
648 static void tx_macro_tx_hpf_corner_freq_callback(struct work_struct *work)
649 {
650 struct delayed_work *hpf_delayed_work;
651 struct hpf_work *hpf_work;
652 struct tx_macro *tx;
653 struct snd_soc_component *component;
654 u16 dec_cfg_reg, hpf_gate_reg;
655 u8 hpf_cut_off_freq;
> 656 u16 adc_reg;
657
658 hpf_delayed_work = to_delayed_work(work);
659 hpf_work = container_of(hpf_delayed_work, struct hpf_work, dwork);
660 tx = hpf_work->tx;
661 component = tx->component;
662 hpf_cut_off_freq = hpf_work->hpf_cut_off_freq;
663
664 dec_cfg_reg = CDC_TXn_TX_PATH_CFG0(hpf_work->decimator);
665 hpf_gate_reg = CDC_TXn_TX_PATH_SEC2(hpf_work->decimator);
666
667 if (is_amic_enabled(component, hpf_work->decimator)) {
668 adc_reg = CDC_TX_INP_MUX_ADC_MUXn_CFG0(hpf_work->decimator);
669 snd_soc_component_write_field(component,
670 dec_cfg_reg,
671 CDC_TXn_HPF_CUT_FREQ_MASK,
672 hpf_cut_off_freq);
673 snd_soc_component_update_bits(component, hpf_gate_reg,
674 CDC_TXn_HPF_F_CHANGE_MASK |
675 CDC_TXn_HPF_ZERO_GATE_MASK,
676 0x02);
677 snd_soc_component_update_bits(component, hpf_gate_reg,
678 CDC_TXn_HPF_F_CHANGE_MASK |
679 CDC_TXn_HPF_ZERO_GATE_MASK,
680 0x01);
681 } else {
682 snd_soc_component_write_field(component, dec_cfg_reg,
683 CDC_TXn_HPF_CUT_FREQ_MASK,
684 hpf_cut_off_freq);
685 snd_soc_component_write_field(component, hpf_gate_reg,
686 CDC_TXn_HPF_F_CHANGE_MASK, 0x1);
687 /* Minimum 1 clk cycle delay is required as per HW spec */
688 usleep_range(1000, 1010);
689 snd_soc_component_write_field(component, hpf_gate_reg,
690 CDC_TXn_HPF_F_CHANGE_MASK, 0x0);
691 }
692 }
693

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

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