video_drvdata(9)
π video_drvdata(9) β from the Kernel API Manual, bestie π
okay so picture this: it's a Kernel API Manual page, the function is literally called video_drvdata, and it's about to make your whole life easier. no cap. let's get into it π«Ά
β¨ NAME β¨
video_drvdata β gets private data from &struct video_device using the struct file.
like, that's the whole gig. it's giving "middleman but make it iconic" π
πΈ SYNOPSIS πΈ
void * video_drvdata (struct file *file );
yes bestie, it returns a void *. the void star is doing main character energy and honestly? we respect it β
π ARGUMENTS π
fileβ pointer tostruct file. that's it. that's the whole argument list. one (1) pointer. we love a low-maintenance function π
π¦ DESCRIPTION π¦
okay so here's the tea: this function combines both video_get_drvdata and video_devdata, because that combo is used very often. like, constantly. so they just went ahead and bundled it into one little function for you. convenience slay π₯
think of it as the drive-thru version of getting your private data β no need to order two separate things when one call does the trick π
π SEE ALSO π
grab a snack, this list is a whole friend group π
Kernel file ./include/media/v4l2-dev.h:
enum vfl_devnode_type(9)enum vfl_devnode_direction(9)enum v4l2_video_device_flags(9)struct v4l2_prio_state(9)v4l2_prio_init(9)v4l2_prio_change(9)v4l2_prio_open(9)v4l2_prio_close(9)v4l2_prio_max(9)v4l2_prio_check(9)struct v4l2_file_operations(9)struct video_device(9)media_entity_to_video_device(9)to_video_device(9)__video_register_device(9)video_register_device(9)video_register_device_no_warn(9)video_unregister_device(9)video_device_alloc(9)video_device_release(9)video_device_release_empty(9)v4l2_disable_ioctl(9)video_get_drvdata(9)video_set_drvdata(9)video_devdata(9)video_device_node_name(9)video_is_registered(9)v4l2_debugfs_root(9)video_device_pipeline_start(9)__video_device_pipeline_start(9)video_device_pipeline_stop(9)__video_device_pipeline_stop(9)video_device_pipeline_alloc_start(9)video_device_pipeline(9)
ok that's the page!! go callvideo_drvdataon yourstruct fileand get your private data, you absolute legend π
β this lil masterpiece lives in ./include/media, dropped October 2026, and it's filed under video_drvdata(9) β catch you in the next manpage, mwah ππ§
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