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ASoC: wm_adsp: Add support for opening a compressed stream

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Allow user-space to open a compressed stream, although no data will be
passed yet, as part of this adding the ability to define supported
capabilities per firmware and check these match the stream being opened.

Signed-off-by: Charles Keepax <ckeepax@opensource.wolfsonmicro.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Charles Keepax
2015-12-15 11:29:45 +00:00
committed by Mark Brown
parent dbb6b94339
commit 406abc95a0
3 changed files with 227 additions and 3 deletions
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23
sound/soc/codecs/wm5110.c
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@@ -2158,6 +2158,25 @@ static struct snd_soc_dai_driver wm5110_dai[] = {
},
};
static int wm5110_open(struct snd_compr_stream *stream)
{
struct snd_soc_pcm_runtime *rtd = stream->private_data;
struct wm5110_priv *priv = snd_soc_codec_get_drvdata(rtd->codec);
struct arizona *arizona = priv->core.arizona;
int n_adsp;
if (strcmp(rtd->codec_dai->name, "wm5110-dsp-voicectrl") == 0) {
n_adsp = 2;
} else {
dev_err(arizona->dev,
"No suitable compressed stream for DAI '%s'\n",
rtd->codec_dai->name);
return -EINVAL;
}
return wm_adsp_compr_open(&priv->core.adsp[n_adsp], stream);
}
static int wm5110_codec_probe(struct snd_soc_codec *codec)
{
struct snd_soc_dapm_context *dapm = snd_soc_codec_get_dapm(codec);
@@ -2249,6 +2268,10 @@ static struct snd_soc_codec_driver soc_codec_dev_wm5110 = {
};
static struct snd_compr_ops wm5110_compr_ops = {
.open = wm5110_open,
.free = wm_adsp_compr_free,
.set_params = wm_adsp_compr_set_params,
.get_caps = wm_adsp_compr_get_caps,
};
static struct snd_soc_platform_driver wm5110_compr_platform = {