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| author | Kieran Bingham <kieran.bingham@ideasonboard.com> | 2018-05-24 19:16:12 +0300 |
|---|---|---|
| committer | Felipe Balbi <felipe.balbi@linux.intel.com> | 2018-07-26 13:43:18 +0300 |
| commit | d7af78b9245545908c90bce2206f200a4250b5db (patch) | |
| tree | f3092d857fcf83faff5ba3a21ce2e1786a6710da /Documentation/ABI/testing/configfs-usb-gadget-uvc | |
| parent | c728effd56d35c12774210f0732b8eb8b7ce7cd9 (diff) | |
| download | linux-d7af78b9245545908c90bce2206f200a4250b5db.tar.xz | |
usb: gadget: uvc: Expose configuration name through video node
When utilising multiple instantiations of a UVC gadget on a composite
device, there is no clear method to link a particular configuration to
its respective video node.
Provide a means for identifying the correct video node by exposing the
name of the function configuration through sysfs.
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
Diffstat (limited to 'Documentation/ABI/testing/configfs-usb-gadget-uvc')
| -rw-r--r-- | Documentation/ABI/testing/configfs-usb-gadget-uvc | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/Documentation/ABI/testing/configfs-usb-gadget-uvc b/Documentation/ABI/testing/configfs-usb-gadget-uvc index 1ba0d0fda9c0..9281e2aa38df 100644 --- a/Documentation/ABI/testing/configfs-usb-gadget-uvc +++ b/Documentation/ABI/testing/configfs-usb-gadget-uvc @@ -263,3 +263,8 @@ Description: Specific streaming header descriptors is connected bmInfo - capabilities of this video streaming interface + +What: /sys/class/udc/udc.name/device/gadget/video4linux/video.name/function_name +Date: May 2018 +KernelVersion: 4.19 +Description: UVC configfs function instance name |