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Daniel Scally 7bf1c56a90 usb: gadget: uvc: Make bmControls attr read/write 
For the Processing Unit and Camera Terminal descriptors defined in
the UVC Gadget we currently hard-code values into their bmControls
fields, which enumerates which controls the gadget is able to
support. This isn't appropriate since only the userspace companion
program to the kernel driver will know which controls are supported.
Make the configfs attributes that point to those fields read/write
so userspace can set them to appropriate values.

Document the new behaviour at the same time so the functionality is
clear.

Signed-off-by: Daniel Scally <dan.scally@ideasonboard.com>
Link: https://lore.kernel.org/r/20230309105825.216745-1-dan.scally@ideasonboard.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2023-03-29 08:51:26 +02:00
..
acm.rst docs: usb: rename files to .rst and add them to drivers-api 2019-06-20 14:28:36 +02:00
authorization.rst docs: usb: rename files to .rst and add them to drivers-api 2019-06-20 14:28:36 +02:00
chipidea.rst Documentation: usb: correct spelling 2023-01-31 10:10:52 +01:00
CREDITS Documentation: USB: correct possessive "its" usage 2022-11-21 14:33:23 -07:00
dwc3.rst docs: usb: rename files to .rst and add them to drivers-api 2019-06-20 14:28:36 +02:00
ehci.rst docs: usb: replace some characters 2021-06-17 13:22:33 -06:00
functionfs.rst Documentation: USB: correct possessive "its" usage 2022-11-21 14:33:23 -07:00
gadget_configfs.rst usb: gadget: configfs: Support arbitrary string descriptors 2023-02-07 08:46:36 +01:00
gadget_hid.rst USB: Replace HTTP links with HTTPS ones 2020-07-21 13:41:57 +02:00
gadget_multi.rst Documentation: USB: correct possessive "its" usage 2022-11-21 14:33:23 -07:00
gadget_printer.rst docs: usb: replace some characters 2021-06-17 13:22:33 -06:00
gadget_serial.rst docs: usb: rename files to .rst and add them to drivers-api 2019-06-20 14:28:36 +02:00
gadget_uvc.rst usb: gadget: uvc: Make bmControls attr read/write 2023-03-29 08:51:26 +02:00
gadget-testing.rst Documentation: usb: correct spelling 2023-01-31 10:10:52 +01:00
index.rst docs: usb: Add documentation for the UVC Gadget 2023-03-09 15:18:33 +01:00
iuu_phoenix.rst docs: usb: rename files to .rst and add them to drivers-api 2019-06-20 14:28:36 +02:00
linux-cdc-acm.inf
linux.inf USB: Replace HTTP links with HTTPS ones 2020-07-21 13:41:57 +02:00
mass-storage.rst Documentation: usb: correct spelling 2023-01-31 10:10:52 +01:00
misc_usbsevseg.rst docs: usb: rename files to .rst and add them to drivers-api 2019-06-20 14:28:36 +02:00
mtouchusb.rst Documentation: drop optional BOMs 2021-05-10 15:17:34 -06:00
ohci.rst docs: usb: rename files to .rst and add them to drivers-api 2019-06-20 14:28:36 +02:00
raw-gadget.rst usb: raw-gadget: update documentation and Kconfig 2021-01-26 18:38:45 +01:00
text_files.rst docs: usb: remove some broken references 2020-01-28 13:41:22 -07:00
usb-help.rst docs: usb: rename files to .rst and add them to drivers-api 2019-06-20 14:28:36 +02:00
usb-serial.rst Documentation: drop optional BOMs 2021-05-10 15:17:34 -06:00
usbdevfs-drop-permissions.c usb: devio: Add ioctl to disallow detaching kernel USB drivers. 2016-03-05 12:05:01 -08:00
usbip_protocol.rst usbip: add USBIP_URB_* URB transfer flags 2022-08-31 09:07:53 +02:00
usbmon.rst docs: usb: fix literal block marker in usbmon verification example 2022-06-09 09:50:03 -06:00