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man pages section 7: Device and Network Interfaces

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Updated: July 2017
 
 

audiocs(7D)

Name

audiocs - Crystal Semiconductor 4231 Audio driver

Description

The audiocs driver supports the Crystal Semiconductor 4231 Codec to implement the audio device interface.

The audiocs device provides support for the internal speaker, headphone, line out, line in, microphone, and, on some platforms, internal CD-ROM audio in.

Errors

audiocs errors are described in the audio(7I) manual page.

Files

/kernel/drv/sparcv9/audiocs

64-bit audiocs driver

/kernel/drv/audiocs.conf

audiocs driver configuration file

Attributes

See attributes(5) for descriptions of the following attributes:

ATTRIBUTE TYPE
ATTRIBUTE VALUE
Architecture
SPARC
Availability
system/io/audio
Interface Stability
Uncommitted

See Also

ioctl(2), attributes(5), audio(7I), mixer(7I), streamio(7I)

Crystal Semiconductor, Inc. CS4231 Data Sheet

Diagnostics

In addition to being logged, the following messages can appear on the system console:

play-interrupts too low
record-interrupts too low

The interrupt rate specified in audiocs.conf is set too low. It is being reset to the rate specified in the message. Update audiocs.conf to a higher interrupt rate.

play-interrupts too high
record-interrupts too high

The interrupt rate specified in audiocs.conf is set too high. It is being reset to the rate specified in the message. Update audiocs.conf to a lower interrupt rate.