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usb: gadget: f_fs: handle control requests in config 0

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Introduces a new FunctionFS descriptor flag named
FUNCTIONFS_CONFIG0_SETUP.

When this flag is enabled, FunctionFS userspace drivers can process
non-standard control requests in configuration 0.

Signed-off-by: Felix Hädicke <felixhaedicke@web.de>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
This commit is contained in:
Felix Hädicke 2016-06-22 01:12:09 +02:00 • committed by Felipe Balbi
parent 1a00b457a5
commit 4368c28ae7
2 changed files with 4 additions and 2 deletions
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1
include/uapi/linux/usb/functionfs.h
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@ -22,6 +22,7 @@ enum functionfs_flags {
FUNCTIONFS_VIRTUAL_ADDR = 16,
FUNCTIONFS_EVENTFD = 32,
FUNCTIONFS_ALL_CTRL_RECIP = 64,
FUNCTIONFS_CONFIG0_SETUP = 128,
};
/* Descriptor of an non-audio endpoint */