LXR linux/drivers/usb/gadget/function/u

   1/*
   2 * u_uac2.h
   3 *
   4 * Utility definitions for UAC2 function
   5 *
   6 * Copyright (c) 2014 Samsung Electronics Co., Ltd.
   7 *              http://www.samsung.com
   8 *
   9 * Author: Andrzej Pietrasiewicz <andrzej.p@samsung.com>
  10 *
  11 * This program is free software; you can redistribute it and/or modify
  12 * it under the terms of the GNU General Public License version 2 as
  13 * published by the Free Software Foundation.
  14 */
  15
  16#ifndef U_UAC2_H
  17#define U_UAC2_H
  18
  19#include <linux/usb/composite.h>
  20
  21#define UAC2_DEF_PCHMASK 0x3
  22#define UAC2_DEF_PSRATE 48000
  23#define UAC2_DEF_PSSIZE 2
  24#define UAC2_DEF_CCHMASK 0x3
  25#define UAC2_DEF_CSRATE 64000
  26#define UAC2_DEF_CSSIZE 2
  27
  28struct f_uac2_opts {
  29        struct usb_function_instance    func_inst;
  30        int                             p_chmask;
  31        int                             p_srate;
  32        int                             p_ssize;
  33        int                             c_chmask;
  34        int                             c_srate;
  35        int                             c_ssize;
  36        bool                            bound;
  37
  38        struct mutex                    lock;
  39        int                             refcnt;
  40};
  41
  42#endif
  43