From: Mengdong Lin <mengdong.lin@xxxxxxxxxxxxxxx> Describe how to define vendor tokens and tuples in the text conf file. Signed-off-by: Mengdong Lin <mengdong.lin@xxxxxxxxxxxxxxx> diff --git a/include/topology.h b/include/topology.h index 011f6ae..51d282f 100644 --- a/include/topology.h +++ b/include/topology.h @@ -203,12 +203,77 @@ extern "C" { * bytes "0x12,0x34,0x56,0x78" * shorts "0x1122,0x3344,0x5566,0x7788" * words "0xaabbccdd,0x11223344,0x66aa77bb,0xefef1234" + * tuples "section id of the vendor tuples" * }; * </pre> - * The file, bytes, shorts and words keywords are all mutually exclusive as - * the private data should only be taken from one source. The private data can - * either be read from a separate file or defined in the topology file using - * the bytes, shorts or words keywords. + * The file, bytes, shorts, words and tuples keywords are all mutually + * exclusive as the private data should only be taken from one source. + * The private data can either be read from a separate file or defined in + * the topology file using the bytes, shorts, words or tuples keywords. + * The keyword tuples is to define vendor specific tuples. Please refer to + * section Vendor Tokens and Vendor tuples. + * + * <h6>Vendor Tokens</h6> + * A vendor token list is defined as a new section. Each token element is + * a pair of string ID and integer value. And both the ID and value are + * vendor-specific. + * + * <pre> + * SectionVendorTokens."id of the vendor tokens" { + * comment "optional comments" + * VENDOR_TOKEN_ID1 "1" + * VENDOR_TOKEN_ID2 "2" + * VENDOR_TOKEN_ID3 "3" + * ... + * } + * </pre> + * + * <h6>Vendor Tuples</h6> + * Vendor tuples are defined as a new section. It contains a reference to + * a vendor token list and several tuple arrays. + * All arrays share a vendor token list, defined by the tokens keyword. + * Each tuple array is for a specific type, defined by the string following + * the tuples keyword. Supported types are: string, uuid, bool, byte, + * short and word. + * + * <pre> + * SectionVendorTuples."id of the vendor tuples" { + * tokens "id of the vendor tokens" + * + * tuples."string" { + * VENDOR_TOKEN_ID1 "character string" + * ... + * } + * + * tuples."uuid" { + * VENDOR_TOKEN_ID2 "16 character uuid" + * ... + * } + * + * tuples."bool" { + * VENDOR_TOKEN_ID3 "true/false" + * ... + * } + * + * tuples."byte" { + * VENDOR_TOKEN_ID4 "0x11" + * VENDOR_TOKEN_ID5 "0x22" + * ... + * } + * + * tuples."short" { + * VENDOR_TOKEN_ID6 "0x1122" + * VENDOR_TOKEN_ID7 "0x3344" + * ... + * } + * + * tuples."word" { + * VENDOR_TOKEN_ID8 "0x11223344" + * VENDOR_TOKEN_ID9 "0x55667788" + * ... + * } + * } + * </pre> * * <h5>Mixer Controls</h5> * A mixer control is defined as a new section that can include channel mapping, @@ -389,6 +454,10 @@ extern "C" { * fields are the same for widgets as they are for controls whilst the other * fields map on very closely to the driver widget fields. * + * <h5>Widget Private Data</h5> + * Widget can have private data. For the format of the private data, please + * refer to section Control Private Data. + * * <h4>PCM Capabilities</h4> * Topology can also define the capabilities of FE and BE PCMs. Capabilities * can be defined with the following section :- -- 2.5.0 _______________________________________________ Alsa-devel mailing list Alsa-devel@xxxxxxxxxxxxxxxx http://mailman.alsa-project.org/mailman/listinfo/alsa-devel