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-rw-r--r--Documentation/sound/alsa/HD-Audio.txt6
1 files changed, 5 insertions, 1 deletions
diff --git a/Documentation/sound/alsa/HD-Audio.txt b/Documentation/sound/alsa/HD-Audio.txt
index 42a0a39b77e6..e7193aac669c 100644
--- a/Documentation/sound/alsa/HD-Audio.txt
+++ b/Documentation/sound/alsa/HD-Audio.txt
@@ -466,7 +466,11 @@ The generic parser supports the following hints:
- add_jack_modes (bool): add "xxx Jack Mode" enum controls to each
I/O jack for allowing to change the headphone amp and mic bias VREF
capabilities
-- power_down_unused (bool): power down the unused widgets
+- power_save_node (bool): advanced power management for each widget,
+ controlling the power sate (D0/D3) of each widget node depending on
+ the actual pin and stream states
+- power_down_unused (bool): power down the unused widgets, a subset of
+ power_save_node, and will be dropped in future
- add_hp_mic (bool): add the headphone to capture source if possible
- hp_mic_detect (bool): enable/disable the hp/mic shared input for a
single built-in mic case; default true