nick83ola Posted November 10, 2019 Share Posted November 10, 2019 Hi All, I created a patch for Linux Kernel 5.3 to enable HX stomp/Helix I need some help to confirm that is working properly. In particular would be really helpful if you can try the kernel 5.3 and confirm the USB ID for Helix devices case USB_ID(0x0E41, 0x4242): /* Line6 Helix Rack */ case USB_ID(0x0E41, 0x4244): /* Line6 Helix LT */ case USB_ID(0x0E41, 0x4246): /* Line6 HX-Stomp */ case USB_ID(0x0E41, 0x424a): /* Line6 Helix LT - firmware >= 2.8 */ This is displayed in dmesg when the device is discovered (open dmesg -w and then plug the device) [ 322.404503] usb 1-6: new high-speed USB device number 13 using xhci_hcd [ 322.531804] usb 1-6: New USB device found, idVendor=0e41, idProduct=4246, bcdDevice= 2.00 [ 322.531806] usb 1-6: New USB device strings: Mfr=1, Product=3, SerialNumber=2 [ 322.531806] usb 1-6: Product: HX Stomp [ 322.531807] usb 1-6: Manufacturer: LINE 6 [ 322.531808] usb 1-6: SerialNumber: 3021888 [ 322.535789] usb 1-6: parse_audio_format_rates_v2v3(): unable to retrieve number of sample rates (clock 16) [ 322.535907] usb 1-6: parse_audio_format_rates_v2v3(): unable to retrieve number of sample rates (clock 16) In particular if the device is supported the last two lines will show as unable to retrieve number of sample rates set it to default as 48Khz What I need is a list of helix like devices and the list of idVendor, IdProduct. Can you help me? Also for Line6 did the new update to support the new Mac Os X bring some news for Linux Users as well?? Thanks Nick Quote Link to comment Share on other sites More sharing options...
shemeshg Posted November 10, 2019 Share Posted November 10, 2019 confirmed usb id: USB_ID(0x0E41, 0x424a): /* Line6 Helix LT - firmware >= 2.8 */ that maximum kernel available for me is 4.15.0.66.68 AMD 64, for now...... Quote Link to comment Share on other sites More sharing options...
pdbeard Posted December 16, 2019 Share Posted December 16, 2019 Thanks a lot for this! Running Linux 5.4.2-1 (manjaro) and HX Stomp was detected with the your listed vendor and and product ids. However I still can't get it working as an input with any audio application (ardour or audacity), but it shows up as an option. I also have no PC output through the stomp (using only headphones, no speakers currently) with applications like spotify. alsamixer reports it as a soundcard with no controls. My GUI sound settings lists it as "HX Stomp Analog Surround 7.1" and shows output levels being sent to the stomp, but I get nothing through the headphone out. Quote Link to comment Share on other sites More sharing options...
nick83ola Posted December 16, 2019 Author Share Posted December 16, 2019 Hi you probably are using pulse audio you should use jack. I don't know the setup for mangiaro in Ubuntu I'm using the utility from kxstudio (CATIA) and it setup a pulse audio plugin called Alsa sink to route the audio from pulseaudio to alsa Quote Link to comment Share on other sites More sharing options...
nick83ola Posted December 16, 2019 Author Share Posted December 16, 2019 I found this video see if it helps Quote Link to comment Share on other sites More sharing options...
pdbeard Posted December 17, 2019 Share Posted December 17, 2019 That fixed it! Had never used jack or any sort of advanced audio configuration on Linux before, thanks for all your help on this issue. Quote Link to comment Share on other sites More sharing options...
cultivator Posted December 29, 2019 Share Posted December 29, 2019 Hello! Under Ubuntu 19.04 and 19.10 / Kernel 5.3.x and 5.4.x / Helix Rack does not work. dmesg log: Spoiler [ 90.456640] usb 1-8: New USB device found, idVendor=0e41, idProduct=4249, bcdDevice= 2.00 [ 90.456646] usb 1-8: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 90.456649] usb 1-8: Product: HELIX [ 90.460414] usb 1-8: parse_audio_format_rates_v2v3(): unable to retrieve number of sample rates (clock 16) [ 90.460537] usb 1-8: parse_audio_format_rates_v2v3(): unable to retrieve number of sample rates (clock 16) [ 90.462825] input: LINE 6 HELIX as /devices/pci0000:00/0000:00:14.0/usb1/1-8/1-8:1.5/0003:0E41:4249.000E/input/input43 [ 90.519967] hid-generic 0003:0E41:4249.000E: input,hidraw0: USB HID v1.11 Keyboard [LINE 6 HELIX ] on usb-0000:00:14.0-8/input5 Where to get this patch? What to patch? Quote Link to comment Share on other sites More sharing options...
nick83ola Posted December 30, 2019 Author Share Posted December 30, 2019 Hi Are you on the latest firmware? Quote Link to comment Share on other sites More sharing options...
nick83ola Posted December 30, 2019 Author Share Posted December 30, 2019 Btw you should send a patch to add the usb hid and PID to the following patch See https://github.com/torvalds/linux/commit/d4bd30532688558a7de70f0c8edd2a7a25c3963f case USB_ID(0x0E41, 0x4249): /* Line6 Helix Rack fw 2.8 */ Quote Link to comment Share on other sites More sharing options...
cultivator Posted December 30, 2019 Share Posted December 30, 2019 Hurrah! I assembled the kernel, added a one line and helix rack worked! thanks! Quote Link to comment Share on other sites More sharing options...
maxiada Posted March 8, 2020 Share Posted March 8, 2020 Hi have someone a compiled file to replace in: Distributor ID: Ubuntu Description: Ubuntu 18.04.3 LTS Release: 18.04 Codename: bionic --- 4.15.0-72-generic #81-Ubuntu SMP Tue Nov 26 12:20:02 UTC 2019 x86_64 x86_64 x86_64 GNU/Linux and detailed instructions for one that are no so skilled to back kernel? thanks max Quote Link to comment Share on other sites More sharing options...
nick83ola Posted March 8, 2020 Author Share Posted March 8, 2020 Just install an updated kernel from https://kernel.ubuntu.com/~kernel-ppa/mainline/v5.5.8/ It should work Quote Link to comment Share on other sites More sharing options...
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