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ASoC: Return error if the function does not support multi-cpu

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Multi cpu is not supported by all functions yet. Add an error message
and return.

Suggested-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Signed-off-by: Bard Liao <yung-chuan.liao@linux.intel.com>
Link: https://lore.kernel.org/r/20200225133917.21314-6-yung-chuan.liao@linux.intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Bard Liao 2020-02-25 21:39:16 +08:00 committed by Mark Brown
parent de6214a336
commit 6e1276a5e6
No known key found for this signature in database
GPG Key ID: 24D68B725D5487D0
3 changed files with 39 additions and 2 deletions
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5
sound/soc/soc-compress.c
View File

@ -810,9 +810,10 @@ int snd_soc_new_compress(struct snd_soc_pcm_runtime *rtd, int num)
int playback = 0, capture = 0;
int i;
if (rtd->num_codecs > 1) {
if (rtd->num_cpus > 1 ||
rtd->num_codecs > 1) {
dev_err(rtd->card->dev,
"Compress ASoC: Multicodec not supported\n");
"Compress ASoC: Multi CPU/Codec not supported\n");
return -EINVAL;
}

18
sound/soc/soc-generic-dmaengine-pcm.c
View File

@ -62,6 +62,12 @@ int snd_dmaengine_pcm_prepare_slave_config(struct snd_pcm_substream *substream,
struct snd_dmaengine_dai_dma_data *dma_data;
int ret;
if (rtd->num_cpus > 1) {
dev_err(rtd->dev,
"%s doesn't support Multi CPU yet\n", __func__);
return -EINVAL;
}
dma_data = snd_soc_dai_get_dma_data(rtd->cpu_dai, substream);
ret = snd_hwparams_to_dma_slave_config(substream, params, slave_config);
@ -118,6 +124,12 @@ dmaengine_pcm_set_runtime_hwparams(struct snd_soc_component *component,
struct snd_dmaengine_dai_dma_data *dma_data;
struct snd_pcm_hardware hw;
if (rtd->num_cpus > 1) {
dev_err(rtd->dev,
"%s doesn't support Multi CPU yet\n", __func__);
return -EINVAL;
}
if (pcm->config && pcm->config->pcm_hardware)
return snd_soc_set_runtime_hwparams(substream,
pcm->config->pcm_hardware);
@ -185,6 +197,12 @@ static struct dma_chan *dmaengine_pcm_compat_request_channel(
struct snd_dmaengine_dai_dma_data *dma_data;
dma_filter_fn fn = NULL;
if (rtd->num_cpus > 1) {
dev_err(rtd->dev,
"%s doesn't support Multi CPU yet\n", __func__);
return NULL;
}
dma_data = snd_soc_dai_get_dma_data(rtd->cpu_dai, substream);
if ((pcm->flags & SND_DMAENGINE_PCM_FLAG_HALF_DUPLEX) && pcm->chan[0])

18
sound/soc/soc-pcm.c
View File

@ -125,6 +125,12 @@ static ssize_t dpcm_state_read_file(struct file *file, char __user *user_buf,
int stream;
char *buf;
if (fe->num_cpus > 1) {
dev_err(fe->dev,
"%s doesn't support Multi CPU yet\n", __func__);
return -EINVAL;
}
buf = kmalloc(out_count, GFP_KERNEL);
if (!buf)
return -ENOMEM;
@ -1550,6 +1556,12 @@ int dpcm_path_get(struct snd_soc_pcm_runtime *fe,
struct snd_soc_dai *cpu_dai = fe->cpu_dai;
int paths;
if (fe->num_cpus > 1) {
dev_err(fe->dev,
"%s doesn't support Multi CPU yet\n", __func__);
return -EINVAL;
}
/* get number of valid DAI paths and their widgets */
paths = snd_soc_dapm_dai_get_connected_widgets(cpu_dai, stream, list,
dpcm_end_walk_at_be);
@ -2834,6 +2846,12 @@ static int soc_dpcm_fe_runtime_update(struct snd_soc_pcm_runtime *fe, int new)
int count, paths;
int ret;
if (fe->num_cpus > 1) {
dev_err(fe->dev,
"%s doesn't support Multi CPU yet\n", __func__);
return -EINVAL;
}
if (!fe->dai_link->dynamic)
return 0;