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deva-ctrl-geode.so

Sound driver for the National Semiconductor Geode family of chips


Note: You must be root to start this driver.

Syntax:

Direct invocation (also causes a new io-audio process to start):

io-audio -d geode [pci=xx] &

Mounting (requires that io-audio is already running):

mount -Tio-audio [-opci=xx] /lib/dll/deva-ctrl-geode.so &

Runs on:

Neutrino

Targets:

x86

Options:

pci xx
The PCI index of the card you want to attach to. If this option is not specified, the driver will attempt to find the first unused card in the system.

Description:

The deva-ctrl-geode.so shared object is a device driver DLL used by the io-audio manager. It uses the API described in the Audio Developer's Guide.

While deva-ctrl-geode.so is running, you can use applications with sound, and those that control the sound-system (e.g. mixer).

Examples:

Invoke deva-ctrl-geode.so directly from io-audio:

io-audio -d geode &

Mount deva-ctrl-geode.so (io-audio must be running):

mount -Tio-audio /lib/dll/deva-ctrl-geode.so &

Files:

deva-mixer-ac97.so
Supports the mixer.

Errors:

When an error occurs, deva-ctrl-geode.so sends a description of the error to the system logger (see slogger).

Caveats:

You need a current BIOS to run deva-ctrl-geode.so. The BIOS VSA (Virtual System Architecture) technology must be sufficiently up-to-date to enable the native audio programming techniques used by this driver. If the BIOS is too old, deva-ctrl-geode.so will exit and slogger will contain the exit message.

See also:

io-audio, mixer

Audio Developer's Guide


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