https://www.virtualbox.org/changeset/55272/vbox/trunk/src/VBox/Devices/Audio/DevIchAc97.cpp
since it hardcode ad1980 on a dell machine, you may need patch in alsa driver to prevent the swap of the master playback volume/switch and headphone playback volume/switch
if (fChipAD1980) { PCIDevSetSubSystemVendorId(&pThis->PciDev, 0x1028); /* 2c ro - Dell.) */ PCIDevSetSubSystemId (&pThis->PciDev, 0x0177); /* 2e ro. */ } else { PCIDevSetSubSystemVendorId(&pThis->PciDev, 0x8086); /* 2c ro - Intel.) */ PCIDevSetSubSystemId (&pThis->PciDev, 0x0000); /* 2e ro. */ }
https:/ /www.virtualbox .org/changeset/ 55272/vbox/ trunk/src/ VBox/Devices/ Audio/DevIchAc9 7.cpp
since it hardcode ad1980 on a dell machine, you may need patch in alsa driver to prevent the swap of the master playback volume/switch and headphone playback volume/switch
if (fChipAD1980)
PCIDevSetSubSy stemVendorId( &pThis- >PciDev, 0x1028); /* 2c ro - Dell.) */
PCIDevSetSubSy stemId (&pThis->PciDev, 0x0177); /* 2e ro. */ SubSystemVendor Id(&pThis- >PciDev, 0x8086); /* 2c ro - Intel.) */ ubSystemId (&pThis->PciDev, 0x0000); /* 2e ro. */
{
}
else
{
PCIDevSet
PCIDevSetS
}