[alsa-devel] Vendor support in Alsa Drivers

Takashi Iwai tiwai at suse.de
Wed Jun 11 18:37:44 CEST 2008

At Tue, 10 Jun 2008 11:49:24 +0200,
Emmanuel Kasper wrote:
> Hello
> With a couple of other french folks, we are building a kind of webshop
> for Linux/FreeBSD compatible hardware. We will reference only devices
> which work with a free driver, so no nvidia binary thingie or atheros HAL.
> Based on the information found  on  the alsa wiki we plan to reference
> the following sound devices:
> M-Audio Audiophile 24/96 (  snd-ice1712 driver )
> Terratec AUREON 5.1
> M-Audio Fast Track usb
> Hercules Muse Pocket LT
> Ion TTUSB usb turnable ( these 4 working with snd-usb-driver )
> We would be also interested to indicate on each product description, if
> the vendor of the product, or the chipset maker for that matters had
> been helpful with developers trying to write a free driver. So for the
> devices mentionned above, was any of the vendor helpful by providing
> programming documentation or sample hardware ?

We have a good contact with M-Audio.  The above two devices were
provided once for testing by M-Audio indeed.

The datasheet is another question -- for USB devices, it's often
harder than PCI devices (by unknown reasons).

Terratec Aureon 5.1 (which model, BTW?) isn't well tested by
developers.  We had once good contact with Terratec, and lost again.

AFAIK, no one had a contact with Hercules.
I don't know about Ion.  Possibly Clemens had any contact?
But, if the USB device works "as is", then it's all fine, even without
a datasheet or a test device.  It means that the device is compliant
to USB-standard protocol.  The bad case is that the device requires
special vendor-specific protocols (often called "advanced mode").



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