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-rw-r--r--Documentation/sound/hd-audio/notes.rst2
1 files changed, 2 insertions, 0 deletions
diff --git a/Documentation/sound/hd-audio/notes.rst b/Documentation/sound/hd-audio/notes.rst
index 9eeb9b468706..f59c3cdbfaf4 100644
--- a/Documentation/sound/hd-audio/notes.rst
+++ b/Documentation/sound/hd-audio/notes.rst
@@ -494,6 +494,8 @@ add_hp_mic (bool)
hp_mic_detect (bool)
enable/disable the hp/mic shared input for a single built-in mic
case; default true
+vmaster (bool)
+ enable/disable the virtual Master control; default true
mixer_nid (int)
specifies the widget NID of the analog-loopback mixer