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-rw-r--r--Documentation/sound/hd-audio/notes.rst5
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diff --git a/Documentation/sound/hd-audio/notes.rst b/Documentation/sound/hd-audio/notes.rst
index 9f7347830ba4..0f3109d9abc8 100644
--- a/Documentation/sound/hd-audio/notes.rst
+++ b/Documentation/sound/hd-audio/notes.rst
@@ -66,6 +66,11 @@ by comparing both LPIB and position-buffer values.
``position_fix=4`` is another combination available for all controllers,
and uses LPIB for the playback and the position-buffer for the capture
streams.
+``position_fix=5`` is specific to Intel platforms, so far, for Skylake
+and onward. It applies the delay calculation for the precise position
+reporting.
+``position_fix=6`` is to correct the position with the fixed FIFO
+size, mainly targeted for the recent AMD controllers.
0 is the default value for all other
controllers, the automatic check and fallback to LPIB as described in
the above. If you get a problem of repeated sounds, this option might