diff options
Diffstat (limited to 'include/topology.h')
| -rw-r--r-- | include/topology.h | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/include/topology.h b/include/topology.h index c52c580f..0581b1cd 100644 --- a/include/topology.h +++ b/include/topology.h @@ -663,6 +663,36 @@ extern "C" { * } * </pre> * + * <h4>Physical DAI</h4> + * A physical DAI (e.g. backend DAI for DPCM) is defined as a new section + * that can include a unique ID, playback and capture stream capabilities, + * optional flags, and private data. <br> + * Its PCM stream capablities are same as those for PCM objects, + * please refer to section 'PCM Capabilities'. + * + * <pre> + * SectionDAI."name" { + * + * index "1" # Index number + * + * id "0" # used for binding to the Backend DAI + * + * pcm."playback" { + * capabilities "capabilities1" # capabilities for playback + * } + * + * pcm."capture" { + * capabilities "capabilities2" # capabilities for capture + * } + * + * symmetric_rates "true" # optional flags + * symmetric_channels "true" + * symmetric_sample_bits "false" + * + * data "name" # optional private data + * } + * </pre> + * * <h4>Manifest Private Data</h4> * Manfiest may have private data. Users need to define a manifest section * and add the references to 1 or multiple data sections. Please refer to @@ -735,6 +765,7 @@ enum snd_tplg_type { SND_TPLG_TYPE_TUPLE, /*!< Vendor tuples */ SND_TPLG_TYPE_LINK, /*!< Physical DAI link */ SND_TPLG_TYPE_HW_CONFIG, /*!< Link HW config */ + SND_TPLG_TYPE_DAI, /*!< Physical DAI */ }; /** |