2 files changed, 3 insertions, 0 deletions

diff --git a/include/sound/ac97_codec.h b/include/sound/ac97_codec.h
index 446afc3ea27f..758f8bf133c7 100644
--- a/include/sound/ac97_codec.h
+++ b/include/sound/ac97_codec.h
@@ -265,6 +265,7 @@
 
 /* specific - Analog Devices */
 #define AC97_AD_TEST            0x5a    /* test register */
+#define AC97_AD_TEST2           0x5c    /* undocumented test register 2 */
 #define AC97_AD_CODEC_CFG       0x70    /* codec configuration */
 #define AC97_AD_JACK_SPDIF      0x72    /* Jack Sense & S/PDIF */
 #define AC97_AD_SERIAL_CFG      0x74    /* Serial Configuration */
diff --git a/sound/pci/ac97/ac97_patch.c b/sound/pci/ac97/ac97_patch.c
index 7f197c780816..094cfc1f3a19 100644
--- a/sound/pci/ac97/ac97_patch.c
+++ b/sound/pci/ac97/ac97_patch.c
@@ -1824,6 +1824,8 @@ static const struct snd_kcontrol_new snd_ac97_ad1888_controls[] = {
                 .get = snd_ac97_ad1888_lohpsel_get,
                 .put = snd_ac97_ad1888_lohpsel_put
         },
+        AC97_SINGLE("V_REFOUT Enable", AC97_AD_MISC, 2, 1, 1),
+        AC97_SINGLE("High Pass Filter Enable", AC97_AD_TEST2, 12, 1, 1),
         AC97_SINGLE("Spread Front to Surround and Center/LFE", AC97_AD_MISC, 7, 1, 0),
         {
                 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,