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| author | Robert Baldyga <r.baldyga@samsung.com> | 2014-09-09 08:23:16 +0200 |
|---|---|---|
| committer | Felipe Balbi <balbi@ti.com> | 2014-09-09 10:04:45 -0500 |
| commit | c559a353410939c0884e83bdb0e2420a986ac53b (patch) | |
| tree | a08371689dd43528a869f443839df674a344a58c /include | |
| parent | e45cfa2051d1b7d3378887d9576e11484e25c7d6 (diff) | |
| download | linux-c559a353410939c0884e83bdb0e2420a986ac53b.tar.gz linux-c559a353410939c0884e83bdb0e2420a986ac53b.tar.bz2 linux-c559a353410939c0884e83bdb0e2420a986ac53b.zip | |
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>
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 6d2a16b834bf..7c7a2feb0e6e 100644 --- a/include/uapi/linux/usb/functionfs.h +++ b/include/uapi/linux/usb/functionfs.h @@ -275,6 +275,12 @@ 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__ */ |