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| author | Andrzej Pietrasiewicz <andrzej.p@samsung.com> | 2014-11-06 11:12:03 +0100 |
|---|---|---|
| committer | Felipe Balbi <balbi@ti.com> | 2014-11-06 16:18:19 -0600 |
| commit | 21a9476a7ba847e413bf1c144d7c614532aed6dd (patch) | |
| tree | 606683b13651d00398aa9a0b5a873fcf1d49ba32 /Documentation/usb | |
| parent | 5ca8d3ec9970f4798e68bd21a9d44db3d0ff4da7 (diff) | |
| download | lwn-21a9476a7ba847e413bf1c144d7c614532aed6dd.tar.gz lwn-21a9476a7ba847e413bf1c144d7c614532aed6dd.zip | |
usb: gadget: hid: add configfs support
Make the hid function available for gadgets composed with configfs.
Signed-off-by: Andrzej Pietrasiewicz <andrzej.p@samsung.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
Diffstat (limited to 'Documentation/usb')
| -rw-r--r-- | Documentation/usb/gadget_hid.txt | 7 |
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 |