The chipset in this card is AV100 (Asus Virtuoso 100) and its supported by ALSA since Linux 2.6.30 (see External links).
lspci05:00.0 PCI bridge: PLX Technology, Inc. PEX8112 x1 Lane PCI Express-to-PCI Bridge (rev aa) 06:04.0 Multimedia audio controller: C-Media Electronics Inc CMI8788 [Oxygen HD Audio]sudo lspci -nnk
05:00.0 PCI bridge [0604]: PLX Technology, Inc. PEX8112 x1 Lane PCI Express-to-PCI Bridge [10b5:8112] (rev aa) 06:04.0 Multimedia audio controller [0401]: C-Media Electronics Inc CMI8788 [Oxygen HD Audio] [13f6:8788] Subsystem: ASUSTeK Computer Inc. Virtuoso 100 (Xonar Essence STX) [1043:835c] Kernel driver in use: snd_virtuoso
3G cards | 34 |
Acquisition cards | 34 |
Bluetooth | 57 |
Ethernet cards | 172 |
Fingerprint readers | 11 |
Host Controllers | 170 |
Modems | 18 |
Notebooks | 793 |
Printers | 126 |
RAID adapters | 20 |
Scanners | 24 |
SD card readers | 57 |
Sound cards | 142 |
Video cards | 343 |
Webcams | 132 |
Wifi cards | 234 |
TOTAL | 2367 |