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-rw-r--r--Documentation/usb/gadget_hid.txt7
1 files changed, 7 insertions, 0 deletions
diff --git a/Documentation/usb/gadget_hid.txt b/Documentation/usb/gadget_hid.txt
index 12696c2e43fb..7a0fb8e16e27 100644
--- a/Documentation/usb/gadget_hid.txt
+++ b/Documentation/usb/gadget_hid.txt
@@ -74,6 +74,13 @@ static struct platform_device my_hid = {
You can add as many HID functions as you want, only limited by
the amount of interrupt endpoints your gadget driver supports.
+Configuration with configfs
+
+ Instead of adding fake platform devices and drivers in order to pass
+ some data to the kernel, if HID is a part of a gadget composed with
+ configfs the hidg_func_descriptor.report_desc is passed to the kernel
+ by writing the appropriate stream of bytes to a configfs attribute.
+
Send and receive HID reports
HID reports can be sent/received using read/write on the