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SubjectRe: [PATCH V2] ASoC: Intel: boards: Use FS as nau8825 sysclk in nau88125_* machine
Hi Radoslaw,

Thank you for the patch! Perhaps something to improve:

[auto build test WARNING on asoc/for-next]
[also build test WARNING on sound/for-next v5.7-rc3 next-20200501]
[if your patch is applied to the wrong git tree, please drop us a note to help
improve the system. BTW, we also suggest to use '--base' option to specify the
base tree in git format-patch, please see https://stackoverflow.com/a/37406982]

url: https://github.com/0day-ci/linux/commits/Radoslaw-Biernacki/ASoC-Intel-boards-Use-FS-as-nau8825-sysclk-in-nau88125_-machine/20200502-044538
base: https://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound.git for-next
config: i386-allyesconfig (attached as .config)
compiler: gcc-7 (Ubuntu 7.5.0-6ubuntu2) 7.5.0
reproduce:
# save the attached .config to linux build tree
make ARCH=i386

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

Note: it may well be a FALSE warning. FWIW you are at least aware of it now.
http://gcc.gnu.org/wiki/Better_Uninitialized_Warnings

All warnings (new ones prefixed by >>):

sound/soc/intel/boards/skl_nau88l25_max98357a.c: In function 'platform_clock_control':
>> sound/soc/intel/boards/skl_nau88l25_max98357a.c:56:6: warning: 'ret' may be used uninitialized in this function [-Wmaybe-uninitialized]
int ret;
^~~

vim +/ret +56 sound/soc/intel/boards/skl_nau88l25_max98357a.c

0ab338ff33762d Sathyanarayana Nujella 2016-02-24 49
8eaf2b31dd316f Rohit Ainapure 2015-12-11 50 static int platform_clock_control(struct snd_soc_dapm_widget *w,
8eaf2b31dd316f Rohit Ainapure 2015-12-11 51 struct snd_kcontrol *k, int event)
8eaf2b31dd316f Rohit Ainapure 2015-12-11 52 {
8eaf2b31dd316f Rohit Ainapure 2015-12-11 53 struct snd_soc_dapm_context *dapm = w->dapm;
8eaf2b31dd316f Rohit Ainapure 2015-12-11 54 struct snd_soc_card *card = dapm->card;
8eaf2b31dd316f Rohit Ainapure 2015-12-11 55 struct snd_soc_dai *codec_dai;
8eaf2b31dd316f Rohit Ainapure 2015-12-11 @56 int ret;
8eaf2b31dd316f Rohit Ainapure 2015-12-11 57
dfb6ec7ae57d33 Pierre-Louis Bossart 2017-10-12 58 codec_dai = snd_soc_card_get_codec_dai(card, SKL_NUVOTON_CODEC_DAI);
8eaf2b31dd316f Rohit Ainapure 2015-12-11 59 if (!codec_dai) {
8eaf2b31dd316f Rohit Ainapure 2015-12-11 60 dev_err(card->dev, "Codec dai not found; Unable to set platform clock\n");
8eaf2b31dd316f Rohit Ainapure 2015-12-11 61 return -EIO;
8eaf2b31dd316f Rohit Ainapure 2015-12-11 62 }
8eaf2b31dd316f Rohit Ainapure 2015-12-11 63
4adaffea05f2fa Radoslaw Biernacki 2020-05-01 64 if (!SND_SOC_DAPM_EVENT_ON(event)) {
8eaf2b31dd316f Rohit Ainapure 2015-12-11 65 ret = snd_soc_dai_set_sysclk(codec_dai,
8eaf2b31dd316f Rohit Ainapure 2015-12-11 66 NAU8825_CLK_INTERNAL, 0, SND_SOC_CLOCK_IN);
8eaf2b31dd316f Rohit Ainapure 2015-12-11 67 if (ret < 0) {
8eaf2b31dd316f Rohit Ainapure 2015-12-11 68 dev_err(card->dev, "set sysclk err = %d\n", ret);
8eaf2b31dd316f Rohit Ainapure 2015-12-11 69 return -EIO;
8eaf2b31dd316f Rohit Ainapure 2015-12-11 70 }
8eaf2b31dd316f Rohit Ainapure 2015-12-11 71 }
8eaf2b31dd316f Rohit Ainapure 2015-12-11 72
8eaf2b31dd316f Rohit Ainapure 2015-12-11 73 return ret;
8eaf2b31dd316f Rohit Ainapure 2015-12-11 74 }
8eaf2b31dd316f Rohit Ainapure 2015-12-11 75

:::::: The code at line 56 was first introduced by commit
:::::: 8eaf2b31dd316ff5ffbdad14853d2bf8779bab13 ASoC: Intel: Skylake: Add Nuvoton Maxim machine driver

:::::: TO: Rohit Ainapure <rohit.m.ainapure@intel.com>
:::::: CC: Mark Brown <broonie@kernel.org>

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