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ASoC: dmaengine: Make the pcm->name equal to pcm->id if the name is not set

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Some tools use the snd_pcm_info_get_name() to try to identify PCMs or for
other purposes.

Currently it is left empty with the dmaengine-pcm, in this case copy the
pcm->id string as pcm->name.

For example IGT is using this to find the HDMI PCM for testing audio on it.

Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Reported-by: Arthur She <arthur.she@linaro.org>
Link: https://lore.kernel.org/r/20190906055524.7393-1-peter.ujfalusi@ti.com
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Peter Ujfalusi 2019-09-06 08:55:24 +03:00 committed by Mark Brown
parent a2dc6f82fd
commit 2ec42f3147
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1 changed files with 6 additions and 0 deletions
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6
sound/soc/soc-generic-dmaengine-pcm.c
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@ -306,6 +306,12 @@ static int dmaengine_pcm_new(struct snd_soc_pcm_runtime *rtd)
if (!dmaengine_pcm_can_report_residue(dev, pcm->chan[i]))
pcm->flags |= SND_DMAENGINE_PCM_FLAG_NO_RESIDUE;
if (rtd->pcm->streams[i].pcm->name[0] == '\0') {
strncpy(rtd->pcm->streams[i].pcm->name,
rtd->pcm->streams[i].pcm->id,
sizeof(rtd->pcm->streams[i].pcm->name));
}
}
return 0;