Re: [PATCH] UA-3FX support

[Takashi Iwai <tiwai@suse.de>]

Hi,

is the patch confirmed to work?
i'll merge it if it's really working.


Takashi

At Thu, 12 Feb 2004 12:30:40 +0100 (MET),
Clemens Ladisch wrote:
> 
> Frank Barknecht wrote:
> > Now I discovered a teenytiny switch on the back if the UA-3 FX that
> > switches the "Advanced Driver"  features of the device on or off.
> > Setting this to OFF, I now got ALSA to recognize the device as a
> > simple 44100 Hz device. No higher samplerates, though.
> > Probably a quirk is needed?
> 
> The descriptors in "advanced" mode look like this:
> 
> > unknown descriptor type: 0b 24 02 01 02 03 18 01 44 ac 00
> 
> which is 24 bits at 44.1 kHz.  Probably there is another switch for
> the sample rate. :-)
> 
> The device has another interface (3) without any descriptors.  You
> wouldn't know, just by chance, if the Windows driver offers some MIDI
> port, or some device-specific control application for the effects?
> 
> 
> Regards,
> Clemens
> 
> -- 
> 
> 
> add UA-3FX support
> 
> 
> Index: alsa-kernel/usb/usbquirks.h
> ===================================================================
> RCS file: /cvsroot/alsa/alsa-kernel/usb/usbquirks.h,v
> retrieving revision 1.27
> diff -u -r1.27 usbquirks.h
> --- alsa-kernel/usb/usbquirks.h	11 Feb 2004 12:15:55 -0000	1.27
> +++ alsa-kernel/usb/usbquirks.h	12 Feb 2004 11:19:01 -0000
> @@ -502,6 +502,32 @@
>  	}
>  },
>  {
> +	/*
> +	 * This quirk is for the "Advanced Driver" mode. If off, the UA-3FX
> +	 * is standard compliant, but has only 16-bit PCM.
> +	 */
> +	USB_DEVICE(0x0582, 0x0050),
> +	.driver_info = (unsigned long) & (const snd_usb_audio_quirk_t) {
> +		.vendor_name = "EDIROL",
> +		.product_name = "UA-3FX",
> +		.ifnum = QUIRK_ANY_INTERFACE,
> +		.type = QUIRK_COMPOSITE,
> +		.data = & (const snd_usb_audio_quirk_t[]) {
> +			{
> +				.ifnum = 1,
> +				.type = QUIRK_AUDIO_STANDARD_INTERFACE
> +			},
> +			{
> +				.ifnum = 2,
> +				.type = QUIRK_AUDIO_STANDARD_INTERFACE
> +			},
> +			{
> +				.ifnum = -1
> +			}
> +		}
> +	}
> +},
> +{
>  	USB_DEVICE(0x0582, 0x0052),
>  	.driver_info = (unsigned long) & (const snd_usb_audio_quirk_t) {
>  		.vendor_name = "EDIROL",
> 
> 
> 
> 
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