IdProduct 0x2580 AES2501 Fingerprint SensorīInterfaceClass 255 Vendor Specific ClassīInterfaceSubClass 255 Vendor Specific SubclassīInterfaceProtocol 255 Vendor Specific Protocolīus 002 Device 002: ID 03f0:171d Hewlett-Packard Wireless (Bluetooth + WLAN) Interface AES2501 Fingerprint SensorīDeviceSubClass 255 Vendor Specific SubclassīDeviceProtocol 255 Vendor Specific Protocol Once you discover the basic sound chip that is being used in your device, you can google search for the appropriate ALSA settings-if a valid ALSA module exists.īus 002 Device 003: ID 08ff:2580 AuthenTec, Inc. You obviously want the the same response in linux. If your machine dual-boots into windows (or find a windows machine), load the windows driver and work through all of the control settings and take notes as to the behavior. I don't have any USB sound cards in my collection of stuff, so I can't provide any better tips on how to troubleshoot. Most likely because the driver is not changing the correct registers. It sounds like the volume control registers are set at maximum and the usual controls are not changing them. If that is the case, then you need to send an email to the manufacturer and ask for a linux driver. Your USB sound card looks like a nice device, but perhaps there is not a decent linux driver for it.
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