From: Clemens Ladisch <clemens@ladisch.de>
To: Daniel Mack <daniel@caiaq.de>
Cc: "岩井 隆" <tiwai@suse.de>, alsa-devel@alsa-project.org
Subject: Re: usbaudio: Support for USB audio v2.0 devices
Date: Mon, 22 Feb 2010 18:40:39 +0100 [thread overview]
Message-ID: <4B82C197.1050004@ladisch.de> (raw)
In-Reply-To: <1266856137-26252-1-git-send-email-daniel@caiaq.de>
Daniel Mack wrote:
> I've been working on support for USB devices compliant to audio class
> v2.0 and would like to share what I got.
Great!
Just out of curiousity: what device are you testing this with?
> My first step was to clean up most of the existing descriptor parsers
> by moving away from anonymous byte array access to real structs so we
> can see which fields we're actually dereferencing.
Please use the structures in <linux/usb/audio.h>.
> * Supported sample formats are now reported as 32bit bitmap rather than
> as a fixed value. For now, this is worked around by choosing just one
> of them.
I'll write a patch to change struct audioformat to use a bitmask.
> Let me know what you think.
Haven't tested yet, but the patches look fine.
Regards,
Clemens
next prev parent reply other threads:[~2010-02-22 17:40 UTC|newest]
Thread overview: 35+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-02-22 16:28 usbaudio: Support for USB audio v2.0 devices Daniel Mack
2010-02-22 16:28 ` [PATCH 1/4] ALSA: usbaudio: parse USB descriptors with structs Daniel Mack
2010-02-22 16:28 ` [PATCH 2/4] ALSA: usbaudio: introduce new types for audio class v2 Daniel Mack
2010-02-22 16:28 ` [PATCH 3/4] ALSA: usbaudio: implement basic set of class v2.0 parser Daniel Mack
2010-02-22 16:28 ` [PATCH 4/4] ALSA: usbmixer: bail out early when parsing audio class v2 descriptors Daniel Mack
2010-02-22 17:40 ` Clemens Ladisch [this message]
2010-02-22 17:50 ` usbaudio: Support for USB audio v2.0 devices Daniel Mack
2010-03-02 9:13 ` adelias
2010-03-02 18:35 ` Daniel Mack
2010-04-27 13:23 ` adelias
2010-04-27 13:31 ` The Source
2010-04-27 14:07 ` Daniel Mack
2010-04-27 15:29 ` The Source
2010-04-27 15:43 ` Daniel Mack
2010-04-27 17:27 ` The Source
2010-04-27 17:33 ` Daniel Mack
2010-05-02 16:56 ` The Source
2010-05-03 20:55 ` Daniel Mack
2010-05-07 13:19 ` The Source
2010-05-07 13:22 ` Daniel Mack
2010-05-07 20:12 ` Daniel Mack
2010-05-07 21:32 ` The Source
2010-05-08 1:38 ` Daniel Mack
2010-05-08 7:26 ` The Source
2010-05-08 9:19 ` Daniel Mack
2010-05-08 9:24 ` [PATCH] ALSA: sound/usb: fix UAC1 regression Daniel Mack
2010-05-08 9:45 ` Takashi Iwai
2010-04-27 14:06 ` usbaudio: Support for USB audio v2.0 devices Daniel Mack
2010-05-03 12:49 ` adelias
2010-05-04 10:48 ` Daniel Mack
2010-05-18 7:07 ` adelias
2010-05-18 7:40 ` Daniel Mack
2010-05-18 8:32 ` adelias
2010-05-27 18:21 ` Daniel Mack
-- strict thread matches above, loose matches on Subject: below --
2010-02-22 22:49 Daniel Mack
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