diff options
Diffstat (limited to 'kernel/sound/soc/soc-utils.c')
| -rw-r--r-- | kernel/sound/soc/soc-utils.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/kernel/sound/soc/soc-utils.c b/kernel/sound/soc/soc-utils.c index 362c69ac1..53dd085d3 100644 --- a/kernel/sound/soc/soc-utils.c +++ b/kernel/sound/soc/soc-utils.c @@ -101,6 +101,15 @@ static struct snd_soc_codec_driver dummy_codec; SNDRV_PCM_FMTBIT_S32_LE | \ SNDRV_PCM_FMTBIT_U32_LE | \ SNDRV_PCM_FMTBIT_IEC958_SUBFRAME_LE) +/* + * The dummy CODEC is only meant to be used in situations where there is no + * actual hardware. + * + * If there is actual hardware even if it does not have a control bus + * the hardware will still have constraints like supported samplerates, etc. + * which should be modelled. And the data flow graph also should be modelled + * using DAPM. + */ static struct snd_soc_dai_driver dummy_dai = { .name = "snd-soc-dummy-dai", .playback = { |