[alsa-devel] ALSA: usb-mixer: Add support for UAC2 devices

Takashi Iwai tiwai at suse.de
Fri Mar 12 12:46:33 CET 2010

At Thu, 11 Mar 2010 21:13:19 +0100,
Daniel Mack wrote:
> This patch series adds support for mixer interfaces in USB audio class
> v2 devices. Successfully tested on a XMOS L1 eval kit. They apply on
> top of the topic/usb branch.
> There's a number significant differences between v1 and v2
> implementations, which the patches itself may explain best :)
> I moved most quirks out into a seperate file, and hope you agree that
> it's cleaner that way. Most descriptors are now parsed with structs
> which makes the code more readable. However, there are quite some
> descriptors with variable field lengths so they can't be mapped into
> structs. I introduces some macros to access these fields.
> Again, please test this with v1 devices, as I can't be entirely
> confident that I didn't break anything in the transition.
> Thanks,
> Daniel
> [PATCH 1/6] linux/usb/audio.h: split header
> [PATCH 2/6] ALSA: usb-mixer: use defines from audio.h
> [PATCH 3/6] ALSA: usb-mixer: factor out quirks
> [PATCH 4/6] ALSA: usb-mixer: rename usbmixer.[ch] -> mixer.[ch]
> [PATCH 5/6] ALSA: usb-mixer: parse descriptors with structs
> [PATCH 6/6] ALSA: usb-mixer: Add support for Audio Class v2.0

All applied now.  Thanks!


More information about the Alsa-devel mailing list