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-rw-r--r--Documentation/sound/alsa/HD-Audio.txt3
1 files changed, 3 insertions, 0 deletions
diff --git a/Documentation/sound/alsa/HD-Audio.txt b/Documentation/sound/alsa/HD-Audio.txt
index d4faa63ff352..77e176a35ce1 100644
--- a/Documentation/sound/alsa/HD-Audio.txt
+++ b/Documentation/sound/alsa/HD-Audio.txt
@@ -466,6 +466,9 @@ The generic parser supports the following hints:
- add_in_jack_modes (bool): add "xxx Jack Mode" enum controls to each
input jack for allowing to change the mic bias vref
- power_down_unused (bool): power down the unused widgets
+- 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
- mixer_nid (int): specifies the widget NID of the analog-loopback
mixer