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| author | Robert Baldyga <r.baldyga@samsung.com> | 2014-09-09 08:23:16 +0200 |
|---|---|---|
| committer | Mister Oyster <oysterized@gmail.com> | 2017-09-14 17:54:58 +0200 |
| commit | e692d317228f91013d3f7f209201e7bda3a35ca4 (patch) | |
| tree | 768d37cf72256b3ea7525c0b9b5c550e85cf6d31 /include/uapi/linux | |
| parent | e0b6bb9c683e6eb8e5c47faf37358c96f476970c (diff) | |
| download | android_kernel_m2note-e692d317228f91013d3f7f209201e7bda3a35ca4.tar.gz | |
usb: gadget: f_fs: add ioctl returning ep descriptor
This patch introduces ioctl named FUNCTIONFS_ENDPOINT_DESC, which
returns endpoint descriptor to userspace. It works only if function
is active.
Signed-off-by: Robert Baldyga <r.baldyga@samsung.com>
Acked-by: Michal Nazarewicz <mina86@mina86.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Jerry Zhang <zhangjerry@google.com>
Change-Id: I55987bf0c6744327f7763b567b5a2b39c50d18e6
Diffstat (limited to 'include/uapi/linux')
| -rw-r--r-- | include/uapi/linux/usb/functionfs.h | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/include/uapi/linux/usb/functionfs.h b/include/uapi/linux/usb/functionfs.h index 0f8f7be5b..8a17a23d0 100644 --- a/include/uapi/linux/usb/functionfs.h +++ b/include/uapi/linux/usb/functionfs.h @@ -169,6 +169,12 @@ struct usb_functionfs_event { */ #define FUNCTIONFS_ENDPOINT_REVMAP _IO('g', 129) +/* + * Returns endpoint descriptor. If function is not active returns -ENODEV. + */ +#define FUNCTIONFS_ENDPOINT_DESC _IOR('g', 130, \ + struct usb_endpoint_descriptor) + #endif /* _UAPI__LINUX_FUNCTIONFS_H__ */ |