[user@quartus tmp]$ sigrok-cli --driver=dreamsourcelab-dslogic -l 5 --scan
sr: [00:00.000000] log: libsigrok loglevel set to 5.
sr: [00:00.000039] backend: libsigrok 0.5.1/5:0:1 (rt: 0.5.1/5:0:1).
sr: [00:00.000076] backend: Libs: glib 2.62.3 (rt: 2.62.3/6203:3), libzip 1.5.2, libserialport 0.1.1/1:0:1 (rt: 0.1.1/1:0:1), libusb-1.0 1.0.23.11397 API 0x01000107, libftdi 1.4.
sr: [00:00.000089] backend: Host: x86_64-pc-linux-gnu, little-endian.
sr: [00:00.000099] backend: SCPI backends: TCP, serial, USBTMC.
sr: [00:00.000109] backend: Firmware search paths:
sr: [00:00.000124] backend:  - /home/user/.local/share/sigrok-firmware
sr: [00:00.000134] backend:  - /usr/share/sigrok-firmware
sr: [00:00.000143] backend:  - /usr/local/share/sigrok-firmware
sr: [00:00.000151] backend:  - /usr/share/sigrok-firmware
sr: [00:00.000178] backend: Sanity-checking all drivers.
sr: [00:00.000191] backend: Sanity-checking all input modules.
sr: [00:00.000201] backend: Sanity-checking all output modules.
sr: [00:00.000215] backend: Sanity-checking all transform modules.
srd: libsigrokdecode loglevel set to 5.
sr: [00:00.009132] ezusb: uploading firmware to device on 1.16
sr: [00:00.009437] ezusb: setting CPU reset mode on...
sr: [00:00.009959] resource: Attempt to open '/home/user/.local/share/sigrok-firmware/dreamsourcelab-dslogic-plus-fx2.fw' failed: No such file or directory
sr: [00:00.010272] resource: Opened '/usr/share/sigrok-firmware/dreamsourcelab-dslogic-plus-fx2.fw'.
sr: [00:00.010591] ezusb: Uploading firmware 'dreamsourcelab-dslogic-plus-fx2.fw'.
sr: [00:00.011003] ezusb: Uploaded 4096 bytes.
sr: [00:00.011502] ezusb: Uploaded 4024 bytes.
sr: [00:00.011560] ezusb: Firmware upload done.
sr: [00:00.011644] ezusb: setting CPU reset mode off...
sr: [00:00.011887] hwdriver: Scan found 1 devices (dreamsourcelab-dslogic).
The following devices were found:
dreamsourcelab-dslogic - DreamSourceLab DSLogic Plus with 16 channels: 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
sr: [00:00.012064] hwdriver: Cleaning up all drivers.