From mboxrd@z Thu Jan  1 00:00:00 1970
From: Clemens Ladisch <clemens@ladisch.de>
Subject: Re: [PATCH v2] add native DSD support for XMOS based
	DACs
Date: Fri, 05 Sep 2014 17:26:26 +0200
Message-ID: <5409D622.7050509@ladisch.de>
References: <1409919897-7040-1-git-send-email-gtmkramer@xs4all.nl>
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To: Jurgen Kramer <gtmkramer@xs4all.nl>, alsa-devel@alsa-project.org
List-Id: alsa-devel@alsa-project.org

Jurgen Kramer wrote:
> +	/* XMOS based USB DACs */
> +	if (le16_to_cpu(chip->dev->descriptor.idVendor) == 0x20b1) {
> +		switch (le16_to_cpu(chip->dev->descriptor.idProduct)) {
> +		/* iFi Audio micro/nano iDSD */
> +		case 0x3008:

And you don't need to go through the descriptors; you can test
chip->usb_id directly (see snd_usb_set_format_quirk()).


Regards,
Clemens