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As a follow-up in the style of:873be895ed("udev: add USB revision in ID_PATH") this patch adds a second symlink for media controllers, this time including the USB revision. This means that in addition to persistent symlinks like: pci-0000:04:00.3-usb-0:1:1.0-media-controller -> ../../media0 We now also get: pci-0000:04:00.3-usbv2-0:1:1.0-media-controller -> ../../media0 ...which helps distinguish media devices plugged into different USB root hubs provided by the same PCI card, at least as long as they are for different USB revisions. Fixes:04f19d6735("udev: Add /dev/media/by-path symlinks for media controllers")
14 lines
556 B
Plaintext
14 lines
556 B
Plaintext
# do not edit this file, it will be overwritten on update
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# Media controller rules
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ACTION=="remove", GOTO="persistent_media_ctl_end"
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SUBSYSTEM!="media", GOTO="persistent_media_ctl_end"
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ENV{MAJOR}=="", GOTO="persistent_media_ctl_end"
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IMPORT{builtin}="path_id"
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KERNEL=="media*", ENV{ID_PATH_WITH_USB_REVISION}=="?*", SYMLINK+="media/by-path/$env{ID_PATH_WITH_USB_REVISION}-media-controller"
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KERNEL=="media*", ENV{ID_PATH_WITH_USB_REVISION}=="", ENV{ID_PATH}=="?*", SYMLINK+="media/by-path/$env{ID_PATH}-media-controller"
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LABEL="persistent_media_ctl_end"
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