// SPDX-License-Identifier: GPL-2.0 /* * u_uac1.h - Utility definitions for UAC1 function * * Copyright (C) 2016 Ruslan Bilovol <ruslan.bilovol@gmail.com> */ #ifndef __U_UAC1_H #define __U_UAC1_H #include <linux/usb/composite.h> #define UAC1_OUT_EP_MAX_PACKET_SIZE 200 #define UAC1_DEF_CCHMASK 0x3 #define UAC1_DEF_CSRATE 48000 #define UAC1_DEF_CSSIZE 2 #define UAC1_DEF_PCHMASK 0x3 #define UAC1_DEF_PSRATE 48000 #define UAC1_DEF_PSSIZE 2 #define UAC1_DEF_REQ_NUM 2 struct f_uac1_opts { struct usb_function_instance func_inst; int c_chmask; int c_srate; int c_ssize; int p_chmask; int p_srate; int p_ssize; int req_number; unsigned bound:1; struct mutex lock; int refcnt; }; #endif /* __U_UAC1_H */