Changeset 80733 in vbox for trunk/src/VBox/Devices

Timestamp:

Sep 11, 2019 2:10:42 PM (5 years ago)

Author:

vboxsync

Message:

Audio/AC97: Try to relax (EACS VRA / VRM) capabilities / checks to make it more compatible.

File:

• trunk/src/VBox/Devices/Audio/DevIchAc97.cpp (modified) (2 diffs)

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

@@ -2499 +2499 @@
     uint8_t rs = val & AC97_REC_MASK;
     uint8_t ls = (val >> 8) & AC97_REC_MASK;
-    PDMAUDIORECSOURCE ars = ichac97R3IdxToRecSource(rs);
-    PDMAUDIORECSOURCE als = ichac97R3IdxToRecSource(ls);
+
+    const PDMAUDIORECSOURCE ars = ichac97R3IdxToRecSource(rs);
+    const PDMAUDIORECSOURCE als = ichac97R3IdxToRecSource(ls);
+
     rs = ichac97R3RecSourceToIdx(ars);
     ls = ichac97R3RecSourceToIdx(als);
+
+    LogRel(("AC97: Record select to left=%s, right=%s\n", DrvAudioHlpRecSrcToStr(ars), DrvAudioHlpRecSrcToStr(als)));
+
     ichac97MixerSet(pThis, AC97_Record_Select, rs | (ls << 8));
 }
@@ -2536 +2541 @@
 
     /* Configure Extended Audio ID (EAID) + Control & Status (EACS) registers. */
-    const uint16_t fEAID = AC97_EAID_REV1;                /* Our hardware is AC'97 rev2.3 compliant. */
-    const uint16_t fEACS = AC97_EAID_VRA | AC97_EAID_VRM; /* Variable Rate PCM Audio (VRA) + Mic-In (VRM) capable. */
+    const uint16_t fEAID = AC97_EAID_REV1 | AC97_EACS_VRA | AC97_EACS_VRM; /* Our hardware is AC'97 rev2.3 compliant. */
+    const uint16_t fEACS = AC97_EACS_VRA | AC97_EACS_VRM;                  /* Variable Rate PCM Audio (VRA) + Mic-In (VRM) capable. */
+
+    LogRel(("AC97: Mixer reset (EAID=0x%x, EACS=0x%x)\n", fEAID, fEACS));
 
     ichac97MixerSet(pThis, AC97_Extended_Audio_ID,        fEAID);