kernel config: Enable MEDIA_CONTROLLER #31881
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With this disabled, cameras would not get a `/dev/mediaX` entry matching the `/dev/videoX` which broke any application (e.g: `uvcdynctrl -l`, `media-ctl -p`) depending on this interface.
GrahamcOfBorg
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10.rebuild-darwin: 0
NeQuissimus
approved these changes
Nov 21, 2017
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@GrahamcOfBorg build linuxPackages_rpi.kernel |
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@grahamc Why is it trying to build on darwin? oO |
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The build fanout is too stupid to not :) |
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FWIW, building |
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Failure for system: x86_64-linux
^~~~~
cc1: some warnings being treated as errors
make[4]: *** [/tmp/nix-build-linux-4.9.59-1.20171029.drv-0/source/scripts/Makefile.build:300: drivers/video/fbdev/rpisense-fb.o] Error 1
make[3]: *** [/tmp/nix-build-linux-4.9.59-1.20171029.drv-0/source/scripts/Makefile.build:544: drivers/video/fbdev] Error 2
make[2]: *** [/tmp/nix-build-linux-4.9.59-1.20171029.drv-0/source/scripts/Makefile.build:544: drivers/video] Error 2
make[1]: *** [/tmp/nix-build-linux-4.9.59-1.20171029.drv-0/source/Makefile:991: drivers] Error 2
make[1]: Leaving directory '/tmp/nix-build-linux-4.9.59-1.20171029.drv-0/build'
make: *** [Makefile:150: sub-make] Error 2
builder for ‘/nix/store/4xi8b21q16nbajc9x1jxd8278bp2ibn1-linux-4.9.59-1.20171029.drv’ failed with exit code 2
error: build of ‘/nix/store/4xi8b21q16nbajc9x1jxd8278bp2ibn1-linux-4.9.59-1.20171029.drv’ failed
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Thanks @dezgeg. Is it possible to backport as well to 17.09? |
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Sure. bcbd14e |
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Nice, thank you. |
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With this disabled, cameras would not get a
/dev/mediaXentry matchingthe
/dev/videoXwhich broke any application (e.g:uvcdynctrl -l,media-ctl -p) depending on this interface.Should also be applied to 17.09.
Motivation for this change
Broken utilities which work seamlessly on Ubuntu 16.04 but are unusable on Nixos (because of the missing config). Unable to properly setup a camera from "The Imaging Source".
Things done
build-use-sandboxinnix.confon non-NixOS)nix-shell -p nox --run "nox-review wip"./result/bin/)Tested configure seamlessly with all supported kernels:
Tested complete build with
linuxPackages_4_9.kernel, booted with it and now successfully useduvcdynctrl -l,media-ctl -pand broken gstreamer pipelines with my camera./dev/media0now show up when I plug my usb camera.