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# Running PODHD Pro X under linux Because we love linux ! Tested on : Ubuntu 22-04 (jammy) ## 1) Get the righ ID of the PODHD PRO X: run the command : ``` > sudo dmesg | grep 'idVendor=0e41' [ 3239.784010] usb 3-1.3.1: New USB device found, idVendor=0e41, idProduct=415a, bcdDevice= 0.00 ``` 0x0e41 = Line 6 Manufacturer ID __0x415a__ = __PODHD Pro X ID__ ## 2) Linux kernel source Get your current kernel version: ``` > uname -r 6.8.0-47-generic ``` Download the most closest version of your kernel: For me is 6.8.0 and extract under __/usr/src/__ ``` > wget https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/linux-6.6.8.tar.gz > tar -xvf linux-6.6.8.tar.gz > mv linx-6.6.8/ /usr/src/. ``` ## 3) Make Module Prepare Remove root permission ``` > cd /usr/src/ > chown -R $(whoami):$(whoami) linux_6.8.0/ ``` Copy your current kernel config inside the source ``` > cd /usr/src/linux_6.8.0 > cp /boot/config-$(uname -r) .config ``` make module_prepare ``` > cd /usr/src/linux_6.8.0 > cp /boot/config-$(uname -r) .config > make oldconfig > make modules_prepare ``` ## 4) Modify PODHD. C file For working you have to simply modify the value of LINE6_PODHDDESKTOP inside the file : > linux-6.8.0/sound/usb/line6/podhd.c > replace __0x4156__ by __0x415a__ ``` /* table of devices that work with this driver */ static const struct usb_device_id podhd_id_table[] = { /* TODO: no need to alloc data interfaces when only audio is used */ { LINE6_DEVICE(0x5057), .driver_info = LINE6_PODHD300 }, { LINE6_DEVICE(0x5058), .driver_info = LINE6_PODHD400 }, { LINE6_IF_NUM(0x414D, 0), .driver_info = LINE6_PODHD500 }, { LINE6_IF_NUM(0x414A, 0), .driver_info = LINE6_PODX3 }, { LINE6_IF_NUM(0x414B, 0), .driver_info = LINE6_PODX3LIVE }, { LINE6_IF_NUM(0x4159, 0), .driver_info = LINE6_PODHD500X }, { LINE6_IF_NUM(0x415a, 0), .driver_info = LINE6_PODHDDESKTOP }, {} }; ``` ## 5) Rebuild module ``` > cd linux-6.8.0/sound/usb/line6 > make -C /lib/modules/$(uname -r)/build M=$(pwd) modules ``` if all is ok you have successfully build the modules for the PODHD Pro X. ``` > ll *.ko -rw-r--r-- 1 root root 1567408 Oct 23 15:56 snd-usb-line6.ko -rw-r--r-- 1 root root 418600 Oct 23 16:22 snd-usb-podhd.ko -rw-r--r-- 1 root root 417152 Oct 23 15:56 snd-usb-pod.ko -rw-r--r-- 1 root root 438232 Oct 23 15:56 snd-usb-toneport.ko -rw-r--r-- 1 root root 384128 Oct 23 15:56 snd-usb-variax.ko ``` ## 6) unload old module . verify if you have line modules loaded ``` > sudo lsmod | grep snd_usb snd_usb_podhd 16384 0 snd_usb_line6 49152 3 snd_usb_podhd snd_usb_audio 499712 5 snd_usbmidi_lib 53248 1 snd_usb_audio snd_hwdep 20480 3 snd_usb_audio,snd_hda_codec,snd_usb_line6 snd_ump 45056 1 snd_usb_audio snd_rawmidi 57344 4 snd_seq_midi,snd_usbmidi_lib,snd_usb_line6,snd_ump mc 81920 1 snd_usb_audio ``` For me __snd_usb_pod_hd__ and __snd_usb_line6__ must be unloaded ``` > sudo rmmod snd_usb_podhd > sudo rmmod snd_usb_line6 ``` ## 7) Insert new module. Insert first line6 and after podhd ``` > sudo insmod ./snd-usb-line6.ko > sudo insmod ./snd-usb-podhd.ko ``` ## 8) Big thanks to : Markus Grabner <grabner@icg.tugraz.at> who is at the origin of this driver. README.md podhd.c

I have a pod hd pro x and a Rocktron Velocity 300. I was told I need to run my poweramp in bridged mono but when I do that I get lots of pops and buzzing noise. I'm not sure i'm doing something wrong or if the poweramp is broke? My pod global settings are all correct with the stacked power amp setting etc. Any help would be appriciated as its getting rather annoying. *Works perfect when its in stereo and only one speaker cable going to my cab. Thanks

Is it possible to update the firmware on the DT25 by using the Pod HD Pro via MIDI cables? I don't see the Pod in my computer MIDI devices...

Is it possible to update the firmware on the DT25 by using the Pod HD Pro via MIDI cables? I don't see the Pod in my computer MIDI devices...

Just bought a pod hd pro and am trying to connect it to my 5150 head. Anyone know the best way to go about this by just using the power from the head and not the pre amp? Also what is the most convenient way to setup a footswitch with the pod hd pro (not the 500). Im not completely anal with tone or studio at the moment. So if getting the 500 is not too much a backstep would that be most convenient for live purposes?