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ASoC: soc-pcm: indicate error message at dpcm_fe/be_dai_prepare()
Indicating error message when failed case is very useful for debuging. In many case, its style is like below. int function(...) { ... return ret; } int caller(...) { ... ret = function(...); if (ret < 0) dev_err(...) ... } This is not so bad, but in this style *each caller* needs to indicate duplicate same error message, and some caller is forgetting to do it. And caller can't indicate detail function() error information. If function() indicates error message, we can get same and detail information without forgot. int function(...) { ... if (ret < 0) dev_err(...) return ret; } int caller(...) { ... ret = function(...); ... } This patch follow above style at dpcm_fe/be_dai_prepare() Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> Link: https://lore.kernel.org/r/87eeghutap.wl-kuninori.morimoto.gx@renesas.com Signed-off-by: Mark Brown <broonie@kernel.org>
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@ -2261,6 +2261,10 @@ int dpcm_be_dai_prepare(struct snd_soc_pcm_runtime *fe, int stream)
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be->dpcm[stream].state = SND_SOC_DPCM_STATE_PREPARE;
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}
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if (ret < 0)
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dev_err(fe->dev, "ASoC: %s() failed (%d)\n", __func__, ret);
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return ret;
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}
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@ -2298,6 +2302,9 @@ static int dpcm_fe_dai_prepare(struct snd_pcm_substream *substream)
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dpcm_set_fe_update_state(fe, stream, SND_SOC_DPCM_UPDATE_NO);
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mutex_unlock(&fe->card->mutex);
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if (ret < 0)
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dev_err(fe->dev, "ASoC: %s() failed (%d)\n", __func__, ret);
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return ret;
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}
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