diff options
Diffstat (limited to 'sound/soc')
| -rw-r--r-- | sound/soc/soc-utils.c | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/sound/soc/soc-utils.c b/sound/soc/soc-utils.c index 299b5d6ebfd1..a4efe7e52a8b 100644 --- a/sound/soc/soc-utils.c +++ b/sound/soc/soc-utils.c @@ -63,10 +63,23 @@ static const struct snd_pcm_hardware dummy_dma_hardware = { .periods_max = 128, }; + +static const struct snd_soc_component_driver dummy_platform; + static int dummy_dma_open(struct snd_soc_component *component, struct snd_pcm_substream *substream) { struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream); + int i; + + /* + * If there are other components associated with rtd, we shouldn't + * override their hwparams + */ + for_each_rtd_components(rtd, i, component) { + if (component->driver == &dummy_platform) + return 0; + } /* BE's dont need dummy params */ if (!rtd->dai_link->no_pcm) |