From: Jurgen Kramer <gtmkramer@xs4all.nl>
Date: Fri, 5 Sep 2014 16:14:46 +0000 (+0200)
Subject: ALSA: usb-audio: add native DSD support for XMOS based DACs
X-Git-Tag: fixes-against-v3.18-rc2~128^2~30
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=848f3a82df50fcc68a78c9d7d45e210b626b0283;p=pandora-kernel.git

ALSA: usb-audio: add native DSD support for XMOS based DACs

Add quirks for XMOS based DACs for native DSD playback support using the new
DSD_U32_LE sample format.

This version adds native DSD support for:
- iFi Audio micro iDSD/nano iDSD (they use the same prod. id)
- DIYINHK USB to I2S/DSD converter

Changes from v2:
- fix and simplify switch statement
Changes from v1:
- use specific product id and alt setting per XMOS based device

[fixed a misc coding style issue by tiwai]

Signed-off-by: Jurgen Kramer <gtmkramer@xs4all.nl>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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