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man pages section 4: Device and Network Interfaces

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Updated: Thursday, June 13, 2019
 
 

usb_ah(4M)

Name

usb_ah - USB audio HID STREAMS module

Description

The usb_ah STREAMS module enables the USB input control device which is a member of the Human Interface Device (HID) class and provides support for volume change and mute button. The usb_ah module is pushed on top of a HID class driver instance (see hid(4D)) and below an Audio Control class driver instance (see usb_ac(4D)). It translates the HID specific events to the events that are supported by the Solaris audio mixer framework.

Files

/kernel/strmod/sparcv9/usb_ah

SPARC 64-bit ELF kernel STREAMS module

/kernel/strmod/amd64/usb_ah

x8664-bit ELF kernel STREAMS module

Attributes

See attributes(7) for descriptions of the following attributes:

ATTRIBUTE TYPE
ATTRIBUTE VALUE
Architecture
PCI-based systems
Availability
driver/audio/audio-usb
Interface Stability
Committed

See Also

hid(4D), usb_ac(4D), usb_as(4D), usb_mid(4D), usba(4D), audio(4I),

STREAMS Programming Guide

Universal Serial Bus Specification 1.0 and 1.1

Device Class Definition for Human Interface Devices (HID) 1.1

Diagnostics

None

Notes

If USB audio drivers are not loaded, buttons are not active.