Changeset 34827 in vbox

Timestamp:

Dec 8, 2010 11:21:21 AM (14 years ago)

Author:

vboxsync

Message:

Audio/HDA: comments.

File:

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

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

@@ -1003 +1003 @@
 DECLCALLBACK(int)hdaRegReadWALCLK(INTELHDLinkState* pState, uint32_t offset, uint32_t index, uint32_t *pu32Value)
 {
+    /* HDA spec (1a): 3.3.16 WALCLK counter ticks with 24Mhz bitclock rate. */
     *pu32Value = (uint32_t)ASMMultU64ByU32DivByU32(PDMDevHlpTMTimeVirtGetNano(ICH6_HDASTATE_2_DEVINS(pState) - pState->u64BaseTS), 24, 1000);
     return VINF_SUCCESS;