/* SPDX-License-Identifier: GPL-2.0 */ /* * u_uac2.h * * Utility definitions for UAC2 function * * Copyright (c) 2014 Samsung Electronics Co., Ltd. * http://www.samsung.com * * Author: Andrzej Pietrasiewicz <andrzejtp2010@gmail.com> */ #ifndef U_UAC2_H #define U_UAC2_H #include <linux/usb/composite.h> #define UAC2_DEF_PCHMASK 0x3 #define UAC2_DEF_PSRATE 48000 #define UAC2_DEF_PSSIZE 2 #define UAC2_DEF_CCHMASK 0x3 #define UAC2_DEF_CSRATE 64000 #define UAC2_DEF_CSSIZE 2 #define UAC2_DEF_REQ_NUM 2 struct f_uac2_opts { struct usb_function_instance func_inst; int p_chmask; int p_srate; int p_ssize; int c_chmask; int c_srate; int c_ssize; int req_number; bool bound; struct mutex lock; int refcnt; }; #endif