Changeset 67928 in vbox

Timestamp:

Jul 12, 2017 11:51:13 AM (7 years ago)

Author:

vboxsync

Message:

Audio/DevIchAc97.cpp: Implemented record gain registers 1Ch and 1Eh: Those are needed for newer Ubuntu guests which rely on those when controlling gain and muting the recording (capturing) levels. Fixes recording with those guests.

File:

• trunk/src/VBox/Devices/Audio/DevIchAc97.cpp (modified) (1 diff)

trunk/src/VBox/Devices/Audio/DevIchAc97.cpp

@@ -2864 +2864 @@
                     ichac97MixerRecordSelect(pThis, u32Val);
                     break;
+                case AC97_Record_Gain_Mute:
+                    /* Newer Ubuntu guests rely on that when controlling gain and muting
+                     * the recording (capturing) levels. */
+                    ichac97MixerSetVolume(pThis, index, PDMAUDIOMIXERCTL_LINE_IN, u32Val);
+                    break;
+                case AC97_Record_Gain_Mic_Mute:
+                    /* Ditto; see note above. */
+                    ichac97MixerSetVolume(pThis, index, PDMAUDIOMIXERCTL_MIC_IN,  u32Val);
+                    break;
                 case AC97_Vendor_ID1:
                 case AC97_Vendor_ID2: