Alexander Tsoy puleglot

Since linux 5.4 this workaround is not needed anymore!!!

https://github.com/torvalds/linux/commit/f7f530181461aaf6afa0b3f0be4d239dea410896#diff-9e99666ef6b83c4e4e4974c6a7755d29

pulseaudio profile

/etc/pulse/profile-sets/HUDmx2.conf contents:

# http://mailman.alsa-project.org/pipermail/alsa-devel/2013-July/063676.html
# https://www.freedesktop.org/wiki/Software/PulseAudio/Backends/ALSA/Profiles/

[General]

~/Downloads $ mkdir synaptics
~/Downloads $ cd synaptics
~/Downloads/synaptics $ 7z x ../sp103652.exe
...
~/Downloads/synaptics $ 7z l bin/EFU-TP-PR3199925_x64.exe | grep 103808
                    .....       103808       103808  .rsrc/0/RCDATA/2000
~/Downloads/synaptics $ 7z x bin/EFU-TP-PR3199925_x64.exe .rsrc/0/RCDATA/2000
...
~/Downloads/synaptics $ sudo fwupdtool firmware-parse .rsrc/0/RCDATA/2000

	Device Descriptor:
	bLength 18
	bDescriptorType 1
	bcdUSB 2.00
	bDeviceClass 239 Miscellaneous Device
	bDeviceSubClass 2
	bDeviceProtocol 1 Interface Association
	bMaxPacketSize0 64
	idVendor 0x07fd Mark of the Unicorn
	idProduct 0x0008

	Device Descriptor:
	bLength 18
	bDescriptorType 1
	bcdUSB 2.00
	bDeviceClass 239 Miscellaneous Device
	bDeviceSubClass 2
	bDeviceProtocol 1 Interface Association
	bMaxPacketSize0 64
	idVendor 0x0582 Roland Corp.
	idProduct 0x01e0

	Device Descriptor:
	bLength 18
	bDescriptorType 1
	bcdUSB 2.00
	bDeviceClass 0
	bDeviceSubClass 0
	bDeviceProtocol 0
	bMaxPacketSize0 64
	idVendor 0x040d VIA Technologies, Inc.
	idProduct 0x340f Audinst HUD-mx2

	Device Descriptor:
	bLength 18
	bDescriptorType 1
	bcdUSB 1.10
	bDeviceClass 0
	bDeviceSubClass 0
	bDeviceProtocol 0
	bMaxPacketSize0 8
	idVendor 0x1852 GYROCOM C&C Co., LTD
	idProduct 0x7921