ASoC: dapm: Add new widget type for constructing DAPM graphs on DSPs.

Add some DAPM widget types to better support the construction of DAPM
graphs within DSPs.

Signed-off-by: Liam Girdwood <liam.r.girdwood@linux.intel.com>
Signed-off-by: Mark Brown <broonie@kernel.org>

1 files changed, 18 insertions, 0 deletions

diff --git a/Documentation/sound/soc/dapm.rst b/Documentation/sound/soc/dapm.rst
index a27f42befa4d..8e44107933ab 100644
--- a/Documentation/sound/soc/dapm.rst
+++ b/Documentation/sound/soc/dapm.rst
@@ -105,6 +105,24 @@ Pre
         Special PRE widget (exec before all others)
 Post
         Special POST widget (exec after all others)
+Buffer
+        Inter widget audio data buffer within a DSP.
+Scheduler
+        DSP internal scheduler that schedules component/pipeline processing
+        work.
+Effect
+        Widget that performs an audio processing effect.
+SRC
+        Sample Rate Converter within DSP or CODEC
+ASRC
+        Asynchronous Sample Rate Converter within DSP or CODEC
+Encoder
+        Widget that encodes audio data from one format (usually PCM) to another
+        usually more compressed format.
+Decoder
+        Widget that decodes audio data from a compressed format to an
+        uncompressed format like PCM.
+
 
 (Widgets are defined in include/sound/soc-dapm.h)