Ad1848.o
ad1848.o is the Linux Audio driver that supports some Analog Audio and Crystal Semiconductor chipsets.
In the 2.4.17 revision of the Linux Kernel (MAXX Crown) the supported chipsets are:
Analog Audio:
AD1848, AD1845, AD1845_SSCAPE (Ensoniq Soundscape PnP),
Crystal Semi-conductor:
CS4231, CS4231A, CS4232, CS4235, CS4236, CS42xB, CS4239
Others:
C390, IWAVE.