diff options
| author | Robert Baldyga <r.baldyga@samsung.com> | 2014-09-09 08:23:16 +0200 |
|---|---|---|
| committer | Mister Oyster <oysterized@gmail.com> | 2017-09-14 17:05:22 +0200 |
| commit | 17882e4f29339cc4e67bb13ec425ffff1a9d7354 (patch) | |
| tree | e2c5e17ad2096254c0ef0e0eb42e78ada1db443a /include | |
| parent | d658e01cac98cfbc1e0edba4e8e564ba668a6e2f (diff) | |
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')
| -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__ */ |