usb: gadget: f_midi: add configfs support

Make the midi function available for gadgets composed with configfs.

Signed-off-by: Andrzej Pietrasiewicz <andrzej.p@samsung.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>

1 files changed, 12 insertions, 0 deletions

diff --git a/Documentation/ABI/testing/configfs-usb-gadget-midi b/Documentation/ABI/testing/configfs-usb-gadget-midi
new file mode 100644
index 000000000000..6b341df7249c
--- /dev/null
+++ b/Documentation/ABI/testing/configfs-usb-gadget-midi
@@ -0,0 +1,12 @@
+What:           /config/usb-gadget/gadget/functions/midi.name
+Date:           Nov 2014
+KernelVersion:  3.19
+Description:
+                The attributes:
+
+                index           - index value for the USB MIDI adapter
+                id              - ID string for the USB MIDI adapter
+                buflen          - MIDI buffer length
+                qlen            - USB read request queue length
+                in_ports        - number of MIDI input ports
+                out_ports       - number of MIDI output ports