Hi zhong, Thank you for the patch! Yet something to improve:
[auto build test ERROR on asoc/for-next] [also build test ERROR on v4.19-rc5 next-20180928] [if your patch is applied to the wrong git tree, please drop us a note to help improve the system] url: https://github.com/0day-ci/linux/commits/zhong-jiang/ASoC-wm8731-Fix-a-unused-function-gcc-warning/20180930-095901 base: https://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound.git for-next config: i386-randconfig-x070-201839 (attached as .config) compiler: gcc-7 (Debian 7.3.0-1) 7.3.0 reproduce: # save the attached .config to linux build tree make ARCH=i386 All errors (new ones prefixed by >>): sound/soc/codecs/wm8731.c: In function 'wm8731_i2c_probe': >> sound/soc/codecs/wm8731.c:767:8: error: implicit declaration of function >> 'wm8731_request_supplies' [-Werror=implicit-function-declaration] ret = wm8731_request_supplies(&i2c->dev, wm8731); ^~~~~~~~~~~~~~~~~~~~~~~ >> sound/soc/codecs/wm8731.c:779:8: error: implicit declaration of function >> 'wm8731_hw_init'; did you mean 'wm8731_hw_params'? >> [-Werror=implicit-function-declaration] ret = wm8731_hw_init(&i2c->dev, wm8731); ^~~~~~~~~~~~~~ wm8731_hw_params cc1: some warnings being treated as errors vim +/wm8731_request_supplies +767 sound/soc/codecs/wm8731.c a8035c8f0 Mark Brown 2009-02-16 737 b65ab73e5 Fabio Estevam 2013-11-21 738 #if IS_ENABLED(CONFIG_I2C) 7a79e94e9 Bill Pemberton 2012-12-07 739 static int wm8731_i2c_probe(struct i2c_client *i2c, a8035c8f0 Mark Brown 2009-02-16 740 const struct i2c_device_id *id) a8035c8f0 Mark Brown 2009-02-16 741 { 5998102b9 Mark Brown 2009-02-16 742 struct wm8731_priv *wm8731; f0fba2ad1 Liam Girdwood 2010-03-17 743 int ret; 5998102b9 Mark Brown 2009-02-16 744 f1992dde7 Mark Brown 2012-05-12 745 wm8731 = devm_kzalloc(&i2c->dev, sizeof(struct wm8731_priv), f1992dde7 Mark Brown 2012-05-12 746 GFP_KERNEL); 5998102b9 Mark Brown 2009-02-16 747 if (wm8731 == NULL) 5998102b9 Mark Brown 2009-02-16 748 return -ENOMEM; a8035c8f0 Mark Brown 2009-02-16 749 99d422341 Songjun Wu 2015-03-12 750 wm8731->mclk = devm_clk_get(&i2c->dev, "mclk"); 99d422341 Songjun Wu 2015-03-12 751 if (IS_ERR(wm8731->mclk)) { 99d422341 Songjun Wu 2015-03-12 752 ret = PTR_ERR(wm8731->mclk); 99d422341 Songjun Wu 2015-03-12 753 if (ret == -ENOENT) { 99d422341 Songjun Wu 2015-03-12 754 wm8731->mclk = NULL; 99d422341 Songjun Wu 2015-03-12 755 dev_warn(&i2c->dev, "Assuming static MCLK\n"); 99d422341 Songjun Wu 2015-03-12 756 } else { 99d422341 Songjun Wu 2015-03-12 757 dev_err(&i2c->dev, "Failed to get MCLK: %d\n", 99d422341 Songjun Wu 2015-03-12 758 ret); 99d422341 Songjun Wu 2015-03-12 759 return ret; 99d422341 Songjun Wu 2015-03-12 760 } 99d422341 Songjun Wu 2015-03-12 761 } 99d422341 Songjun Wu 2015-03-12 762 8a6cf30bf Manuel Lauss 2015-01-19 763 mutex_init(&wm8731->lock); 8a6cf30bf Manuel Lauss 2015-01-19 764 6702dfcc5 Sergey Kiselev 2015-06-05 765 i2c_set_clientdata(i2c, wm8731); 6702dfcc5 Sergey Kiselev 2015-06-05 766 6702dfcc5 Sergey Kiselev 2015-06-05 @767 ret = wm8731_request_supplies(&i2c->dev, wm8731); 6702dfcc5 Sergey Kiselev 2015-06-05 768 if (ret != 0) 6702dfcc5 Sergey Kiselev 2015-06-05 769 return ret; 6702dfcc5 Sergey Kiselev 2015-06-05 770 f1992dde7 Mark Brown 2012-05-12 771 wm8731->regmap = devm_regmap_init_i2c(i2c, &wm8731_regmap); 05d448e2c Mark Brown 2011-11-21 772 if (IS_ERR(wm8731->regmap)) { 05d448e2c Mark Brown 2011-11-21 773 ret = PTR_ERR(wm8731->regmap); 05d448e2c Mark Brown 2011-11-21 774 dev_err(&i2c->dev, "Failed to allocate register map: %d\n", 05d448e2c Mark Brown 2011-11-21 775 ret); f1992dde7 Mark Brown 2012-05-12 776 return ret; 05d448e2c Mark Brown 2011-11-21 777 } 05d448e2c Mark Brown 2011-11-21 778 6702dfcc5 Sergey Kiselev 2015-06-05 @779 ret = wm8731_hw_init(&i2c->dev, wm8731); 6702dfcc5 Sergey Kiselev 2015-06-05 780 if (ret != 0) 6702dfcc5 Sergey Kiselev 2015-06-05 781 return ret; a8035c8f0 Mark Brown 2009-02-16 782 cde596c7c Kuninori Morimoto 2018-01-29 783 ret = devm_snd_soc_register_component(&i2c->dev, cde596c7c Kuninori Morimoto 2018-01-29 784 &soc_component_dev_wm8731, &wm8731_dai, 1); 05d448e2c Mark Brown 2011-11-21 785 if (ret != 0) { 05d448e2c Mark Brown 2011-11-21 786 dev_err(&i2c->dev, "Failed to register CODEC: %d\n", ret); f1992dde7 Mark Brown 2012-05-12 787 return ret; 05d448e2c Mark Brown 2011-11-21 788 } 05d448e2c Mark Brown 2011-11-21 789 05d448e2c Mark Brown 2011-11-21 790 return 0; a8035c8f0 Mark Brown 2009-02-16 791 } a8035c8f0 Mark Brown 2009-02-16 792 :::::: The code at line 767 was first introduced by commit :::::: 6702dfcc571d962df499f7466f54e07d044e6cd1 ASoC: wm8731: initialize the hardware when loading the codec driver :::::: TO: Sergey Kiselev <sergey.kise...@intel.com> :::::: CC: Mark Brown <broo...@kernel.org> --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
.config.gz
Description: application/gzip
