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| author | Liam Girdwood <liam.r.girdwood@linux.intel.com> | 2013-09-20 19:19:06 +0200 |
|---|---|---|
| committer | Mark Brown <broonie@linaro.org> | 2013-09-23 13:06:24 +0200 |
| commit | 3eb012834b28585a37fe0684182828efc1ab0512 (patch) | |
| tree | 656c11a90a278ba3b125d36415e2b40b8451fa00 /Documentation/sound | |
| parent | ASoC: Docs: Update codec documentation (diff) | |
| download | linux-3eb012834b28585a37fe0684182828efc1ab0512.tar.xz linux-3eb012834b28585a37fe0684182828efc1ab0512.zip | |
ASoC: Docs: Platform update
Update the platform class driver documentation and bring it up to date
with the current code base. This includes multi component and DSP.
Signed-off-by: Liam Girdwood <liam.r.girdwood@linux.intel.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
Diffstat (limited to 'Documentation/sound')
| -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. |