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ASoC: soc-utils: respawn dummy Platform

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commit 64ee5067cf ("ASoC: soc-utils: remove dummy Platform") removed
dummy Platform from ALSA SoC, but it is over-kill.
This patch respawn it.

Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Kuninori Morimoto 2019-06-28 10:50:04 +09:00 committed by Mark Brown
parent 6c10da54f3
commit aff5089526
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1 changed files with 25 additions and 0 deletions
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25
sound/soc/soc-utils.c
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@ -262,6 +262,26 @@ static const struct snd_pcm_hardware dummy_dma_hardware = {
.periods_max = 128,
};
static int dummy_dma_open(struct snd_pcm_substream *substream)
{
struct snd_soc_pcm_runtime *rtd = substream->private_data;
/* BE's dont need dummy params */
if (!rtd->dai_link->no_pcm)
snd_soc_set_runtime_hwparams(substream, &dummy_dma_hardware);
return 0;
}
static const struct snd_pcm_ops snd_dummy_dma_ops = {
.open = dummy_dma_open,
.ioctl = snd_pcm_lib_ioctl,
};
static const struct snd_soc_component_driver dummy_platform = {
.ops = &snd_dummy_dma_ops,
};
static const struct snd_soc_component_driver dummy_codec = {
.idle_bias_on = 1,
.use_pmdown_time = 1,
@ -319,6 +339,11 @@ static int snd_soc_dummy_probe(struct platform_device *pdev)
ret = devm_snd_soc_register_component(&pdev->dev,
&dummy_codec, &dummy_dai, 1);
if (ret < 0)
return ret;
ret = devm_snd_soc_register_component(&pdev->dev, &dummy_platform,
NULL, 0);
return ret;
}