Linux ALSA USB driver for the Mytek Digital Stereo192-DSD DAC
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FIRMWARE Update for newer Mytek firmware and USB drivers Jun 8, 2013
INSTALL
ISSUES Automate USB issue workaround usage and report its state Mar 15, 2014
Makefile Remove version.h with make clean Mar 15, 2014
README.md Updated README Feb 12, 2014
chip.c Potential support for Manhattan DAC Sep 17, 2015
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firmware.c byte_rev_table function not available on ARM Apr 4, 2016
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pcm.h make PCM buffers DMA-able Aug 16, 2013

README.md

mytekusb2

Linux ALSA USB driver for the Mytek Digital Stereo192-DSD DAC

This is the Linux ALSA driver for the Mytek Digital Stereo192-DSD DAC using its USB2 interface. It is based on the TerraTec DMX 6Fire USB driver by Torsten Schenk. The driver has been tailored to work with the Mytek. All features of the original driver not usable for the Mytek have been removed.

Current features:

  • automatic firmware loading (see FIRMWARE and ISSUES)
  • playback at 24 and 32-bit, samplerates from 44.1k to 192.0k
  • This driver is tested with the Mytek DAC running firmware 1.7.1 and 1.7.5.5
  • Do not forget to switch the Mytek to 'USB2' input!

Notes:

  • DoP (DSD over PCM) works using MPD 0.17 or newer and the latest squeezelite versions
  • No mixer support as Mytek has no mixer controlable via USB

Tested on:

  • Various x86 and x86_64 systems running recent versions of Fedora (>= 17) including Fedora based Vortexbox 2.2
  • Tested on a ARM based Cubox running Fedora 17 hardfp
  • Tested on ARM with Wandboard Dual and Wandboard Quad running Community SqueezeOS

Verify:

  • To verify that the driver is loaded and running properly you can check with ALSA tool 'aplay'.

Output for 'aplay -l' [Mytek is the second audio interface in this example]:

card 1: USB2 [Mytek Stereo192-DSD USB2], device 0: MytekUSB2 [Mytek USB2] Subdevices: 1/1 Subdevice #0: subdevice #0

The driver needs three pieces of firmware to operate, see FIRMWARE for details. See ISSUES for current issues and INSTALL for installation guidelines.

Enjoy! Jurgen Kramer