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linux-next/drivers/usb/gadget/function/u_midi.h
Andrzej Pietrasiewicz 6f1de34455 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>
2014-11-05 13:37:17 -06:00

41 lines
856 B
C

/*
* u_midi.h
*
* Utility definitions for the midi function
*
* Copyright (c) 2014 Samsung Electronics Co., Ltd.
* http://www.samsung.com
*
* Author: Andrzej Pietrasiewicz <andrzej.p@samsung.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*/
#ifndef U_MIDI_H
#define U_MIDI_H
#include <linux/usb/composite.h>
struct f_midi_opts {
struct usb_function_instance func_inst;
int index;
char *id;
bool id_allocated;
unsigned int in_ports;
unsigned int out_ports;
unsigned int buflen;
unsigned int qlen;
/*
* Protect the data form concurrent access by read/write
* and create symlink/remove symlink.
*/
struct mutex lock;
int refcnt;
};
#endif /* U_MIDI_H */