v4l_disable_media_source(9)
π v4l_disable_media_source(9) β the Kernel API Manual page, but make it make sense
okay bestie, welcome to section 9 of the Kernel API Manual β¨ today's main character is v4l_disable_media_source, and honestly? she's a small function with a very important job. let's get into it π
β¨ NAME β¨
v4l_disable_media_source β literally just release media source. that's the whole vibe. no cap. π
π¦ SYNOPSIS π¦
void v4l_disable_media_source (struct video_device *vdev );
yes, that space before the closing paren is real, we don't ask questions, we just copy it exactly π«Ά
πΈ ARGUMENTS πΈ
vdevβ a pointer tostruct video_device. that's it. that's the whole argument list. one (1) pointer, and she carries the entire operation on her shoulders π
π DESCRIPTION π
okay so here's the tea β this interface calls the disable_source handler to release the media source. think of it as telling the pipeline "you can let go now bestie, we're done here" π
and what does that handler actually do? it stops the active media pipeline between the media source and the media entity associated with the video device. so like, the media source and the media entity tied to the video device were holding hands down an active pipeline, and this function is the friend who's like "okay guys, unlink the hands, the party's over" πβ¨
it's giving responsible adult energy. it's giving "we don't leave pipelines running unattended." iconic behavior honestly π₯
β RETURN β
the page says it returns zero on success or a negative error code. (yes, the page says that. yes, the signature says void. we are simply reporting the facts as written, bestie, don't come for me π)
π SEE ALSO π
go read these next, they're all in the same friend group fr fr π«Ά
- the kernel file
./include/media/v4l2-mc.h v4l2_mc_create_media_graph(9)v4l_enable_media_source(9)β the other half of this duo, the "turn it on" to this one's "turn it off" πv4l2_create_fwnode_links_to_pad(9)v4l2_create_fwnode_links(9)v4l2_pipeline_pm_get(9)v4l2_pipeline_pm_put(9)v4l2_pipeline_link_notify(9)
lowkey reminder: this page lives at./include/media, the source/version stamp is October 2026, and it's filed underv4l_disable_media_source(9)β so if you're citing it, cite it cute and cite it correct, iykyk π
and that's the whole page, bestie β stay slaying, stay releasing your media sources, and remember: always clean up your pipelines π§πΈπ
π¦ where this page comes from
- nixpkgs unstable: linux-manual 7.3.1
- π girlified by deepseek-ai/DeepSeek-V4.1-Flash-1017 on : a language model's rewrite of the original, under its terms