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Message-ID: <202504262154.sBmNTrcB-lkp@intel.com>
Date: Sat, 26 Apr 2025 21:32:51 +0800
From: kernel test robot <lkp@...el.com>
To: Krzysztof Kozlowski <krzk@...nel.org>
Cc: oe-kbuild-all@...ts.linux.dev, linux-kernel@...r.kernel.org,
Mark Brown <broonie@...nel.org>
Subject: sound/soc/qcom/sdw.c:93: warning: cannot understand function
prototype: 'ret = sdw_enable_stream(sruntime); '
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: 02ddfb981de88a2c15621115dd7be2431252c568
commit: db7e59e6a39a4d3d54ca8197c796557e6d480b0d ASoC: qcom: sc7280: Fix missing Soundwire runtime stream alloc
date: 6 months ago
config: sh-randconfig-002-20250426 (https://download.01.org/0day-ci/archive/20250426/202504262154.sBmNTrcB-lkp@intel.com/config)
compiler: sh4-linux-gcc (GCC) 12.4.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250426/202504262154.sBmNTrcB-lkp@intel.com/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@...el.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202504262154.sBmNTrcB-lkp@intel.com/
All warnings (new ones prefixed by >>):
>> sound/soc/qcom/sdw.c:93: warning: cannot understand function prototype: 'ret = sdw_enable_stream(sruntime); '
Kconfig warnings: (for reference only)
WARNING: unmet direct dependencies detected for GET_FREE_REGION
Depends on [n]: SPARSEMEM [=n]
Selected by [y]:
- RESOURCE_KUNIT_TEST [=y] && RUNTIME_TESTING_MENU [=y] && KUNIT [=y]
vim +93 sound/soc/qcom/sdw.c
d32bac9cb09cce Krzysztof Kozlowski 2023-11-28 52
0cbf1ecd8c4801 Stephan Gerhold 2022-12-31 53 int qcom_snd_sdw_prepare(struct snd_pcm_substream *substream,
0cbf1ecd8c4801 Stephan Gerhold 2022-12-31 54 struct sdw_stream_runtime *sruntime,
0cbf1ecd8c4801 Stephan Gerhold 2022-12-31 55 bool *stream_prepared)
0cbf1ecd8c4801 Stephan Gerhold 2022-12-31 56 {
77678a25d1ecf7 Krzysztof Kozlowski 2024-04-30 57 struct snd_soc_pcm_runtime *rtd = snd_soc_substream_to_rtd(substream);
9b1a2dfa8a00ff Kuninori Morimoto 2023-09-11 58 struct snd_soc_dai *cpu_dai = snd_soc_rtd_to_cpu(rtd, 0);
0cbf1ecd8c4801 Stephan Gerhold 2022-12-31 59 int ret;
0cbf1ecd8c4801 Stephan Gerhold 2022-12-31 60
0cbf1ecd8c4801 Stephan Gerhold 2022-12-31 61 if (!sruntime)
0cbf1ecd8c4801 Stephan Gerhold 2022-12-31 62 return 0;
0cbf1ecd8c4801 Stephan Gerhold 2022-12-31 63
0cbf1ecd8c4801 Stephan Gerhold 2022-12-31 64 switch (cpu_dai->id) {
0cbf1ecd8c4801 Stephan Gerhold 2022-12-31 65 case WSA_CODEC_DMA_RX_0:
0cbf1ecd8c4801 Stephan Gerhold 2022-12-31 66 case WSA_CODEC_DMA_RX_1:
0cbf1ecd8c4801 Stephan Gerhold 2022-12-31 67 case RX_CODEC_DMA_RX_0:
0cbf1ecd8c4801 Stephan Gerhold 2022-12-31 68 case RX_CODEC_DMA_RX_1:
0cbf1ecd8c4801 Stephan Gerhold 2022-12-31 69 case TX_CODEC_DMA_TX_0:
0cbf1ecd8c4801 Stephan Gerhold 2022-12-31 70 case TX_CODEC_DMA_TX_1:
0cbf1ecd8c4801 Stephan Gerhold 2022-12-31 71 case TX_CODEC_DMA_TX_2:
0cbf1ecd8c4801 Stephan Gerhold 2022-12-31 72 case TX_CODEC_DMA_TX_3:
0cbf1ecd8c4801 Stephan Gerhold 2022-12-31 73 break;
0cbf1ecd8c4801 Stephan Gerhold 2022-12-31 74 default:
0cbf1ecd8c4801 Stephan Gerhold 2022-12-31 75 return 0;
0cbf1ecd8c4801 Stephan Gerhold 2022-12-31 76 }
0cbf1ecd8c4801 Stephan Gerhold 2022-12-31 77
e2e53088635924 Srinivas Kandagatla 2023-03-23 78 if (*stream_prepared)
e2e53088635924 Srinivas Kandagatla 2023-03-23 79 return 0;
0cbf1ecd8c4801 Stephan Gerhold 2022-12-31 80
0cbf1ecd8c4801 Stephan Gerhold 2022-12-31 81 ret = sdw_prepare_stream(sruntime);
0cbf1ecd8c4801 Stephan Gerhold 2022-12-31 82 if (ret)
0cbf1ecd8c4801 Stephan Gerhold 2022-12-31 83 return ret;
0cbf1ecd8c4801 Stephan Gerhold 2022-12-31 84
0cbf1ecd8c4801 Stephan Gerhold 2022-12-31 85 /**
0cbf1ecd8c4801 Stephan Gerhold 2022-12-31 86 * NOTE: there is a strict hw requirement about the ordering of port
0cbf1ecd8c4801 Stephan Gerhold 2022-12-31 87 * enables and actual WSA881x PA enable. PA enable should only happen
0cbf1ecd8c4801 Stephan Gerhold 2022-12-31 88 * after soundwire ports are enabled if not DC on the line is
0cbf1ecd8c4801 Stephan Gerhold 2022-12-31 89 * accumulated resulting in Click/Pop Noise
0cbf1ecd8c4801 Stephan Gerhold 2022-12-31 90 * PA enable/mute are handled as part of codec DAPM and digital mute.
0cbf1ecd8c4801 Stephan Gerhold 2022-12-31 91 */
0cbf1ecd8c4801 Stephan Gerhold 2022-12-31 92
0cbf1ecd8c4801 Stephan Gerhold 2022-12-31 @93 ret = sdw_enable_stream(sruntime);
0cbf1ecd8c4801 Stephan Gerhold 2022-12-31 94 if (ret) {
0cbf1ecd8c4801 Stephan Gerhold 2022-12-31 95 sdw_deprepare_stream(sruntime);
0cbf1ecd8c4801 Stephan Gerhold 2022-12-31 96 return ret;
0cbf1ecd8c4801 Stephan Gerhold 2022-12-31 97 }
0cbf1ecd8c4801 Stephan Gerhold 2022-12-31 98 *stream_prepared = true;
0cbf1ecd8c4801 Stephan Gerhold 2022-12-31 99
0cbf1ecd8c4801 Stephan Gerhold 2022-12-31 100 return ret;
0cbf1ecd8c4801 Stephan Gerhold 2022-12-31 101 }
0cbf1ecd8c4801 Stephan Gerhold 2022-12-31 102 EXPORT_SYMBOL_GPL(qcom_snd_sdw_prepare);
0cbf1ecd8c4801 Stephan Gerhold 2022-12-31 103
:::::: The code at line 93 was first introduced by commit
:::::: 0cbf1ecd8c4801ec7566231491f7ad9cec31098b ASoC: qcom: Fix building APQ8016 machine driver without SOUNDWIRE
:::::: TO: Stephan Gerhold <stephan@...hold.net>
:::::: CC: Mark Brown <broonie@...nel.org>
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