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| author | Mark Brown <broonie@linaro.org> | 2013-10-24 11:24:05 +0100 |
|---|---|---|
| committer | Mark Brown <broonie@linaro.org> | 2013-10-24 11:24:05 +0100 |
| commit | 9f7a949fb909b017e054574c96c4ebb44f5ff3fa (patch) | |
| tree | 58aa069ba011a9ef626f30a61cfcdd1ac520b1b8 /Documentation/sound/alsa/soc/platform.txt | |
| parent | 70e0db2f7434961c778466708c032e76775b7f1e (diff) | |
| parent | 469b7bc4e6dbfdb173f0901f746e9277f6740ba7 (diff) | |
Merge remote-tracking branch 'asoc/topic/doc' into asoc-next
Diffstat (limited to 'Documentation/sound/alsa/soc/platform.txt')
| -rw-r--r-- | Documentation/sound/alsa/soc/platform.txt | 19 |
1 files changed, 16 insertions, 3 deletions
diff --git a/Documentation/sound/alsa/soc/platform.txt b/Documentation/sound/alsa/soc/platform.txt index d57efad37e0a..3a08a2c9150c 100644 --- a/Documentation/sound/alsa/soc/platform.txt +++ b/Documentation/sound/alsa/soc/platform.txt @@ -1,9 +1,9 @@ ASoC Platform Driver ==================== -An ASoC platform driver can be divided into audio DMA and SoC DAI configuration -and control. The platform drivers only target the SoC CPU and must have no board -specific code. +An ASoC platform driver class can be divided into audio DMA drivers, SoC DAI +drivers and DSP drivers. The platform drivers only target the SoC CPU and must +have no board specific code. Audio DMA ========= @@ -64,3 +64,16 @@ Each SoC DAI driver must provide the following features:- 5) Suspend and resume (optional) Please see codec.txt for a description of items 1 - 4. + + +SoC DSP Drivers +=============== + +Each SoC DSP driver usually supplies the following features :- + + 1) DAPM graph + 2) Mixer controls + 3) DMA IO to/from DSP buffers (if applicable) + 4) Definition of DSP front end (FE) PCM devices. + +Please see DPCM.txt for a description of item 4. |