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drm/i915/audio: clarify HD audio documentation wrt modeset 

Clarify that audio enable/disable sequences are part of the modeset
sequence.

Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
hifive-unleashed-5.1
Jani Nikula 2015-07-02 16:05:27 +03:00 committed by Daniel Vetter
parent c30400fcff
commit 3e6da4a9d9
1 changed files with 2 additions and 1 deletions
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3
drivers/gpu/drm/i915/intel_audio.c
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@ -41,7 +41,8 @@
*
* The disable sequences must be performed before disabling the transcoder or
* port. The enable sequences may only be performed after enabling the
* transcoder and port, and after completed link training.
* transcoder and port, and after completed link training. Therefore the audio
* enable/disable sequences are part of the modeset sequence.
*
* The codec and controller sequences could be done either parallel or serial,
* but generally the ELDV/PD change in the codec sequence indicates to the audio