drivers/usb/gadget/function/u_uac2.h

   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
  28 struct 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