mirror of
https://github.com/rd-stuffs/msm-4.14.git
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e1f02a161b
Remove unwanted descriptors like dummy mic input descriptor and related feature unit descriptor as those are not required for volume/mute support for mic and speaker paths. Change-Id: I93b2dbe114183212570229c3ccb89a36a4008917 Signed-off-by: Vijayavardhan Vennapusa <vvreddy@codeaurora.org>
59 lines
1.2 KiB
C
59 lines
1.2 KiB
C
/*
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* u_uac1.h - Utility definitions for UAC1 function
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*
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* Copyright (C) 2016 Ruslan Bilovol <ruslan.bilovol@gmail.com>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*/
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#ifndef __U_UAC1_H
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#define __U_UAC1_H
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#include <linux/usb/composite.h>
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#define UAC1_OUT_EP_MAX_PACKET_SIZE 200
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#define UAC1_DEF_CCHMASK 0x3
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#define UAC1_DEF_CSRATE 48000
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#define UAC1_DEF_CSSIZE 2
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#define UAC1_DEF_PCHMASK 0x3
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#define UAC1_DEF_PSRATE 48000
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#define UAC1_DEF_PSSIZE 2
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#define UAC1_DEF_REQ_NUM 2
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struct f_uac1_opts {
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struct usb_function_instance func_inst;
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struct f_uac1 *uac1;
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int c_chmask;
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int c_srate;
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int c_ssize;
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int p_chmask;
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int p_srate;
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int p_ssize;
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int req_number;
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unsigned bound:1;
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struct mutex lock;
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int refcnt;
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};
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#define UAC_DT_MIXER_UNIT_SIZE 13
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/* 4.3.2.3 Mixer Unit Descriptor */
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struct uac1_mixer_unit_descriptor {
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__u8 bLength;
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__u8 bDescriptorType;
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__u8 bDescriptorSubtype;
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__u8 bUnitID;
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__u8 bNrInPins;
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__u8 baSourceID[2];
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__u8 bNrChannels;
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__le16 wChannelConfig;
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__u8 iChannelNames;
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__u8 bmControls;
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__u8 iMixer;
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} __packed;
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#endif /* __U_UAC1_H */
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