f8d2b1f3f7
r357614 added CTLFLAG_NEEDGIANT to make it easier to find nodes that are still not MPSAFE (or already are but aren’t properly marked). Use it in preparation for a general review of all nodes. This is non-functional change that adds annotations to SYSCTL_NODE and SYSCTL_PROC nodes using one of the soon-to-be-required flags. Reviewed by: hselasky, kib Approved by: kib (mentor) Differential Revision: https://reviews.freebsd.org/D23632
481 lines
14 KiB
C
481 lines
14 KiB
C
/* $FreeBSD$ */
|
|
/*-
|
|
* SPDX-License-Identifier: BSD-2-Clause-FreeBSD
|
|
*
|
|
* Copyright (c) 2010 Hans Petter Selasky
|
|
* Copyright (c) 2018 The FreeBSD Foundation
|
|
* All rights reserved.
|
|
*
|
|
* Portions of this software were developed by Edward Tomasz Napierala
|
|
* under sponsorship from the FreeBSD Foundation.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
* documentation and/or other materials provided with the distribution.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
|
|
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
|
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
|
|
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
|
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
|
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
|
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
|
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
|
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
|
* SUCH DAMAGE.
|
|
*/
|
|
|
|
/*
|
|
* This file contains the USB template for an USB Audio Device.
|
|
*/
|
|
|
|
#ifdef USB_GLOBAL_INCLUDE_FILE
|
|
#include USB_GLOBAL_INCLUDE_FILE
|
|
#else
|
|
#include <sys/stdint.h>
|
|
#include <sys/stddef.h>
|
|
#include <sys/param.h>
|
|
#include <sys/queue.h>
|
|
#include <sys/types.h>
|
|
#include <sys/systm.h>
|
|
#include <sys/kernel.h>
|
|
#include <sys/bus.h>
|
|
#include <sys/module.h>
|
|
#include <sys/lock.h>
|
|
#include <sys/mutex.h>
|
|
#include <sys/condvar.h>
|
|
#include <sys/sysctl.h>
|
|
#include <sys/sx.h>
|
|
#include <sys/unistd.h>
|
|
#include <sys/callout.h>
|
|
#include <sys/malloc.h>
|
|
#include <sys/priv.h>
|
|
|
|
#include <dev/usb/usb.h>
|
|
#include <dev/usb/usbdi.h>
|
|
#include <dev/usb/usb_core.h>
|
|
#include <dev/usb/usb_cdc.h>
|
|
#include <dev/usb/usb_ioctl.h>
|
|
#include <dev/usb/usb_util.h>
|
|
|
|
#include <dev/usb/template/usb_template.h>
|
|
#endif /* USB_GLOBAL_INCLUDE_FILE */
|
|
|
|
enum {
|
|
AUDIO_LANG_INDEX,
|
|
AUDIO_MIXER_INDEX,
|
|
AUDIO_RECORD_INDEX,
|
|
AUDIO_PLAYBACK_INDEX,
|
|
AUDIO_MANUFACTURER_INDEX,
|
|
AUDIO_PRODUCT_INDEX,
|
|
AUDIO_SERIAL_NUMBER_INDEX,
|
|
AUDIO_MAX_INDEX,
|
|
};
|
|
|
|
#define AUDIO_DEFAULT_VENDOR_ID USB_TEMPLATE_VENDOR
|
|
#define AUDIO_DEFAULT_PRODUCT_ID 0x27e0
|
|
#define AUDIO_DEFAULT_MIXER "Mixer interface"
|
|
#define AUDIO_DEFAULT_RECORD "Record interface"
|
|
#define AUDIO_DEFAULT_PLAYBACK "Playback interface"
|
|
#define AUDIO_DEFAULT_MANUFACTURER USB_TEMPLATE_MANUFACTURER
|
|
#define AUDIO_DEFAULT_PRODUCT "Audio Test Device"
|
|
#define AUDIO_DEFAULT_SERIAL_NUMBER "March 2008"
|
|
|
|
static struct usb_string_descriptor audio_mixer;
|
|
static struct usb_string_descriptor audio_record;
|
|
static struct usb_string_descriptor audio_playback;
|
|
static struct usb_string_descriptor audio_manufacturer;
|
|
static struct usb_string_descriptor audio_product;
|
|
static struct usb_string_descriptor audio_serial_number;
|
|
|
|
static struct sysctl_ctx_list audio_ctx_list;
|
|
|
|
/* prototypes */
|
|
|
|
/*
|
|
* Audio Mixer description structures
|
|
*
|
|
* Some of the audio descriptors were dumped
|
|
* from a Creative Labs USB audio device.
|
|
*/
|
|
|
|
static const uint8_t audio_raw_desc_0[] = {
|
|
0x0a, 0x24, 0x01, 0x00, 0x01, 0xa9, 0x00, 0x02,
|
|
0x01, 0x02
|
|
};
|
|
|
|
static const uint8_t audio_raw_desc_1[] = {
|
|
0x0c, 0x24, 0x02, 0x01, 0x01, 0x01, 0x00, 0x02,
|
|
0x03, 0x00, 0x00, 0x00
|
|
};
|
|
|
|
static const uint8_t audio_raw_desc_2[] = {
|
|
0x0c, 0x24, 0x02, 0x02, 0x01, 0x02, 0x00, 0x02,
|
|
0x03, 0x00, 0x00, 0x00
|
|
};
|
|
|
|
static const uint8_t audio_raw_desc_3[] = {
|
|
0x0c, 0x24, 0x02, 0x03, 0x03, 0x06, 0x00, 0x02,
|
|
0x03, 0x00, 0x00, 0x00
|
|
};
|
|
|
|
static const uint8_t audio_raw_desc_4[] = {
|
|
0x0c, 0x24, 0x02, 0x04, 0x05, 0x06, 0x00, 0x02,
|
|
0x03, 0x00, 0x00, 0x00
|
|
};
|
|
|
|
static const uint8_t audio_raw_desc_5[] = {
|
|
0x09, 0x24, 0x03, 0x05, 0x05, 0x06, 0x00, 0x01,
|
|
0x00
|
|
};
|
|
|
|
static const uint8_t audio_raw_desc_6[] = {
|
|
0x09, 0x24, 0x03, 0x06, 0x01, 0x03, 0x00, 0x09,
|
|
0x00
|
|
};
|
|
|
|
static const uint8_t audio_raw_desc_7[] = {
|
|
0x09, 0x24, 0x03, 0x07, 0x01, 0x01, 0x00, 0x08,
|
|
0x00
|
|
};
|
|
|
|
static const uint8_t audio_raw_desc_8[] = {
|
|
0x09, 0x24, 0x05, 0x08, 0x03, 0x0a, 0x0b, 0x0c,
|
|
0x00
|
|
};
|
|
|
|
static const uint8_t audio_raw_desc_9[] = {
|
|
0x0a, 0x24, 0x06, 0x09, 0x0f, 0x01, 0x01, 0x02,
|
|
0x02, 0x00
|
|
};
|
|
|
|
static const uint8_t audio_raw_desc_10[] = {
|
|
0x0a, 0x24, 0x06, 0x0a, 0x02, 0x01, 0x43, 0x00,
|
|
0x00, 0x00
|
|
};
|
|
|
|
static const uint8_t audio_raw_desc_11[] = {
|
|
0x0a, 0x24, 0x06, 0x0b, 0x03, 0x01, 0x01, 0x02,
|
|
0x02, 0x00
|
|
};
|
|
|
|
static const uint8_t audio_raw_desc_12[] = {
|
|
0x0a, 0x24, 0x06, 0x0c, 0x04, 0x01, 0x01, 0x00,
|
|
0x00, 0x00
|
|
};
|
|
|
|
static const uint8_t audio_raw_desc_13[] = {
|
|
0x0a, 0x24, 0x06, 0x0d, 0x02, 0x01, 0x03, 0x00,
|
|
0x00, 0x00
|
|
};
|
|
|
|
static const uint8_t audio_raw_desc_14[] = {
|
|
0x0a, 0x24, 0x06, 0x0e, 0x03, 0x01, 0x01, 0x02,
|
|
0x02, 0x00
|
|
};
|
|
|
|
static const uint8_t audio_raw_desc_15[] = {
|
|
0x0f, 0x24, 0x04, 0x0f, 0x03, 0x01, 0x0d, 0x0e,
|
|
0x02, 0x03, 0x00, 0x00, 0x00, 0x00, 0x00
|
|
};
|
|
|
|
static const void *audio_raw_iface_0_desc[] = {
|
|
audio_raw_desc_0,
|
|
audio_raw_desc_1,
|
|
audio_raw_desc_2,
|
|
audio_raw_desc_3,
|
|
audio_raw_desc_4,
|
|
audio_raw_desc_5,
|
|
audio_raw_desc_6,
|
|
audio_raw_desc_7,
|
|
audio_raw_desc_8,
|
|
audio_raw_desc_9,
|
|
audio_raw_desc_10,
|
|
audio_raw_desc_11,
|
|
audio_raw_desc_12,
|
|
audio_raw_desc_13,
|
|
audio_raw_desc_14,
|
|
audio_raw_desc_15,
|
|
NULL,
|
|
};
|
|
|
|
static const struct usb_temp_interface_desc audio_iface_0 = {
|
|
.ppEndpoints = NULL, /* no endpoints */
|
|
.ppRawDesc = audio_raw_iface_0_desc,
|
|
.bInterfaceClass = UICLASS_AUDIO,
|
|
.bInterfaceSubClass = UISUBCLASS_AUDIOCONTROL,
|
|
.bInterfaceProtocol = 0,
|
|
.iInterface = AUDIO_MIXER_INDEX,
|
|
};
|
|
|
|
static const uint8_t audio_raw_desc_20[] = {
|
|
0x07, 0x24, 0x01, 0x01, 0x03, 0x01, 0x00
|
|
|
|
};
|
|
|
|
static const uint8_t audio_raw_desc_21[] = {
|
|
0x0b, 0x24, 0x02, 0x01, 0x02, 0x02, 0x10, 0x01,
|
|
/* 48kHz */
|
|
0x80, 0xbb, 0x00
|
|
};
|
|
|
|
static const uint8_t audio_raw_desc_22[] = {
|
|
0x07, 0x25, 0x01, 0x00, 0x01, 0x04, 0x00
|
|
};
|
|
|
|
static const void *audio_raw_iface_1_desc[] = {
|
|
audio_raw_desc_20,
|
|
audio_raw_desc_21,
|
|
NULL,
|
|
};
|
|
|
|
static const void *audio_raw_ep_1_desc[] = {
|
|
audio_raw_desc_22,
|
|
NULL,
|
|
};
|
|
|
|
static const struct usb_temp_packet_size audio_isoc_mps = {
|
|
.mps[USB_SPEED_FULL] = 0xC8,
|
|
.mps[USB_SPEED_HIGH] = 0xC8,
|
|
};
|
|
|
|
static const struct usb_temp_interval audio_isoc_interval = {
|
|
.bInterval[USB_SPEED_FULL] = 1, /* 1:1 */
|
|
.bInterval[USB_SPEED_HIGH] = 4, /* 1:8 */
|
|
};
|
|
|
|
static const struct usb_temp_endpoint_desc audio_isoc_out_ep = {
|
|
.ppRawDesc = audio_raw_ep_1_desc,
|
|
.pPacketSize = &audio_isoc_mps,
|
|
.pIntervals = &audio_isoc_interval,
|
|
.bEndpointAddress = UE_DIR_OUT,
|
|
.bmAttributes = UE_ISOCHRONOUS | UE_ISO_ADAPT,
|
|
};
|
|
|
|
static const struct usb_temp_endpoint_desc *audio_iface_1_ep[] = {
|
|
&audio_isoc_out_ep,
|
|
NULL,
|
|
};
|
|
|
|
static const struct usb_temp_interface_desc audio_iface_1_alt_0 = {
|
|
.ppEndpoints = NULL, /* no endpoints */
|
|
.ppRawDesc = NULL, /* no raw descriptors */
|
|
.bInterfaceClass = UICLASS_AUDIO,
|
|
.bInterfaceSubClass = UISUBCLASS_AUDIOSTREAM,
|
|
.bInterfaceProtocol = 0,
|
|
.iInterface = AUDIO_PLAYBACK_INDEX,
|
|
};
|
|
|
|
static const struct usb_temp_interface_desc audio_iface_1_alt_1 = {
|
|
.ppEndpoints = audio_iface_1_ep,
|
|
.ppRawDesc = audio_raw_iface_1_desc,
|
|
.bInterfaceClass = UICLASS_AUDIO,
|
|
.bInterfaceSubClass = UISUBCLASS_AUDIOSTREAM,
|
|
.bInterfaceProtocol = 0,
|
|
.iInterface = AUDIO_PLAYBACK_INDEX,
|
|
.isAltInterface = 1, /* this is an alternate setting */
|
|
};
|
|
|
|
static const uint8_t audio_raw_desc_30[] = {
|
|
0x07, 0x24, 0x01, 0x07, 0x01, 0x01, 0x00
|
|
|
|
};
|
|
|
|
static const uint8_t audio_raw_desc_31[] = {
|
|
0x0b, 0x24, 0x02, 0x01, 0x02, 0x02, 0x10, 0x01,
|
|
/* 48kHz */
|
|
0x80, 0xbb, 0x00
|
|
};
|
|
|
|
static const uint8_t audio_raw_desc_32[] = {
|
|
0x07, 0x25, 0x01, 0x01, 0x00, 0x00, 0x00
|
|
};
|
|
|
|
static const void *audio_raw_iface_2_desc[] = {
|
|
audio_raw_desc_30,
|
|
audio_raw_desc_31,
|
|
NULL,
|
|
};
|
|
|
|
static const void *audio_raw_ep_2_desc[] = {
|
|
audio_raw_desc_32,
|
|
NULL,
|
|
};
|
|
|
|
static const struct usb_temp_endpoint_desc audio_isoc_in_ep = {
|
|
.ppRawDesc = audio_raw_ep_2_desc,
|
|
.pPacketSize = &audio_isoc_mps,
|
|
.pIntervals = &audio_isoc_interval,
|
|
.bEndpointAddress = UE_DIR_IN,
|
|
.bmAttributes = UE_ISOCHRONOUS | UE_ISO_ADAPT,
|
|
};
|
|
|
|
static const struct usb_temp_endpoint_desc *audio_iface_2_ep[] = {
|
|
&audio_isoc_in_ep,
|
|
NULL,
|
|
};
|
|
|
|
static const struct usb_temp_interface_desc audio_iface_2_alt_0 = {
|
|
.ppEndpoints = NULL, /* no endpoints */
|
|
.ppRawDesc = NULL, /* no raw descriptors */
|
|
.bInterfaceClass = UICLASS_AUDIO,
|
|
.bInterfaceSubClass = UISUBCLASS_AUDIOSTREAM,
|
|
.bInterfaceProtocol = 0,
|
|
.iInterface = AUDIO_RECORD_INDEX,
|
|
};
|
|
|
|
static const struct usb_temp_interface_desc audio_iface_2_alt_1 = {
|
|
.ppEndpoints = audio_iface_2_ep,
|
|
.ppRawDesc = audio_raw_iface_2_desc,
|
|
.bInterfaceClass = UICLASS_AUDIO,
|
|
.bInterfaceSubClass = UISUBCLASS_AUDIOSTREAM,
|
|
.bInterfaceProtocol = 0,
|
|
.iInterface = AUDIO_RECORD_INDEX,
|
|
.isAltInterface = 1, /* this is an alternate setting */
|
|
};
|
|
|
|
static const struct usb_temp_interface_desc *audio_interfaces[] = {
|
|
&audio_iface_0,
|
|
&audio_iface_1_alt_0,
|
|
&audio_iface_1_alt_1,
|
|
&audio_iface_2_alt_0,
|
|
&audio_iface_2_alt_1,
|
|
NULL,
|
|
};
|
|
|
|
static const struct usb_temp_config_desc audio_config_desc = {
|
|
.ppIfaceDesc = audio_interfaces,
|
|
.bmAttributes = 0,
|
|
.bMaxPower = 0,
|
|
.iConfiguration = AUDIO_PRODUCT_INDEX,
|
|
};
|
|
|
|
static const struct usb_temp_config_desc *audio_configs[] = {
|
|
&audio_config_desc,
|
|
NULL,
|
|
};
|
|
|
|
static usb_temp_get_string_desc_t audio_get_string_desc;
|
|
|
|
struct usb_temp_device_desc usb_template_audio = {
|
|
.getStringDesc = &audio_get_string_desc,
|
|
.ppConfigDesc = audio_configs,
|
|
.idVendor = AUDIO_DEFAULT_VENDOR_ID,
|
|
.idProduct = AUDIO_DEFAULT_PRODUCT_ID,
|
|
.bcdDevice = 0x0100,
|
|
.bDeviceClass = UDCLASS_COMM,
|
|
.bDeviceSubClass = 0,
|
|
.bDeviceProtocol = 0,
|
|
.iManufacturer = AUDIO_MANUFACTURER_INDEX,
|
|
.iProduct = AUDIO_PRODUCT_INDEX,
|
|
.iSerialNumber = AUDIO_SERIAL_NUMBER_INDEX,
|
|
};
|
|
|
|
/*------------------------------------------------------------------------*
|
|
* audio_get_string_desc
|
|
*
|
|
* Return values:
|
|
* NULL: Failure. No such string.
|
|
* Else: Success. Pointer to string descriptor is returned.
|
|
*------------------------------------------------------------------------*/
|
|
static const void *
|
|
audio_get_string_desc(uint16_t lang_id, uint8_t string_index)
|
|
{
|
|
static const void *ptr[AUDIO_MAX_INDEX] = {
|
|
[AUDIO_LANG_INDEX] = &usb_string_lang_en,
|
|
[AUDIO_MIXER_INDEX] = &audio_mixer,
|
|
[AUDIO_RECORD_INDEX] = &audio_record,
|
|
[AUDIO_PLAYBACK_INDEX] = &audio_playback,
|
|
[AUDIO_MANUFACTURER_INDEX] = &audio_manufacturer,
|
|
[AUDIO_PRODUCT_INDEX] = &audio_product,
|
|
[AUDIO_SERIAL_NUMBER_INDEX] = &audio_serial_number,
|
|
};
|
|
|
|
if (string_index == 0) {
|
|
return (&usb_string_lang_en);
|
|
}
|
|
if (lang_id != 0x0409) {
|
|
return (NULL);
|
|
}
|
|
if (string_index < AUDIO_MAX_INDEX) {
|
|
return (ptr[string_index]);
|
|
}
|
|
return (NULL);
|
|
}
|
|
|
|
static void
|
|
audio_init(void *arg __unused)
|
|
{
|
|
struct sysctl_oid *parent;
|
|
char parent_name[3];
|
|
|
|
usb_make_str_desc(&audio_mixer, sizeof(audio_mixer),
|
|
AUDIO_DEFAULT_MIXER);
|
|
usb_make_str_desc(&audio_record, sizeof(audio_record),
|
|
AUDIO_DEFAULT_RECORD);
|
|
usb_make_str_desc(&audio_playback, sizeof(audio_playback),
|
|
AUDIO_DEFAULT_PLAYBACK);
|
|
usb_make_str_desc(&audio_manufacturer, sizeof(audio_manufacturer),
|
|
AUDIO_DEFAULT_MANUFACTURER);
|
|
usb_make_str_desc(&audio_product, sizeof(audio_product),
|
|
AUDIO_DEFAULT_PRODUCT);
|
|
usb_make_str_desc(&audio_serial_number, sizeof(audio_serial_number),
|
|
AUDIO_DEFAULT_SERIAL_NUMBER);
|
|
|
|
snprintf(parent_name, sizeof(parent_name), "%d", USB_TEMP_AUDIO);
|
|
sysctl_ctx_init(&audio_ctx_list);
|
|
|
|
parent = SYSCTL_ADD_NODE(&audio_ctx_list,
|
|
SYSCTL_STATIC_CHILDREN(_hw_usb_templates), OID_AUTO,
|
|
parent_name, CTLFLAG_RW | CTLFLAG_MPSAFE,
|
|
0, "USB Audio Interface device side template");
|
|
SYSCTL_ADD_U16(&audio_ctx_list, SYSCTL_CHILDREN(parent), OID_AUTO,
|
|
"vendor_id", CTLFLAG_RWTUN, &usb_template_audio.idVendor,
|
|
1, "Vendor identifier");
|
|
SYSCTL_ADD_U16(&audio_ctx_list, SYSCTL_CHILDREN(parent), OID_AUTO,
|
|
"product_id", CTLFLAG_RWTUN, &usb_template_audio.idProduct,
|
|
1, "Product identifier");
|
|
#if 0
|
|
SYSCTL_ADD_PROC(&audio_ctx_list, SYSCTL_CHILDREN(parent), OID_AUTO,
|
|
"mixer", CTLTYPE_STRING | CTLFLAG_RWTUN | CTLFLAG_MPSAFE,
|
|
&audio_mixer, sizeof(audio_mixer), usb_temp_sysctl,
|
|
"A", "Mixer interface string");
|
|
SYSCTL_ADD_PROC(&audio_ctx_list, SYSCTL_CHILDREN(parent), OID_AUTO,
|
|
"record", CTLTYPE_STRING | CTLFLAG_RWTUN | CTLFLAG_MPSAFE,
|
|
&audio_record, sizeof(audio_record), usb_temp_sysctl,
|
|
"A", "Record interface string");
|
|
SYSCTL_ADD_PROC(&audio_ctx_list, SYSCTL_CHILDREN(parent), OID_AUTO,
|
|
"playback", CTLTYPE_STRING | CTLFLAG_RWTUN | CTLFLAG_MPSAFE,
|
|
&audio_playback, sizeof(audio_playback), usb_temp_sysctl,
|
|
"A", "Playback interface string");
|
|
#endif
|
|
SYSCTL_ADD_PROC(&audio_ctx_list, SYSCTL_CHILDREN(parent), OID_AUTO,
|
|
"manufacturer", CTLTYPE_STRING | CTLFLAG_RWTUN | CTLFLAG_MPSAFE,
|
|
&audio_manufacturer, sizeof(audio_manufacturer), usb_temp_sysctl,
|
|
"A", "Manufacturer string");
|
|
SYSCTL_ADD_PROC(&audio_ctx_list, SYSCTL_CHILDREN(parent), OID_AUTO,
|
|
"product", CTLTYPE_STRING | CTLFLAG_RWTUN | CTLFLAG_MPSAFE,
|
|
&audio_product, sizeof(audio_product), usb_temp_sysctl,
|
|
"A", "Product string");
|
|
SYSCTL_ADD_PROC(&audio_ctx_list, SYSCTL_CHILDREN(parent), OID_AUTO,
|
|
"serial_number", CTLTYPE_STRING | CTLFLAG_RWTUN | CTLFLAG_MPSAFE,
|
|
&audio_serial_number, sizeof(audio_serial_number), usb_temp_sysctl,
|
|
"A", "Serial number string");
|
|
}
|
|
|
|
static void
|
|
audio_uninit(void *arg __unused)
|
|
{
|
|
|
|
sysctl_ctx_free(&audio_ctx_list);
|
|
}
|
|
|
|
SYSINIT(audio_init, SI_SUB_LOCK, SI_ORDER_FIRST, audio_init, NULL);
|
|
SYSUNINIT(audio_uninit, SI_SUB_LOCK, SI_ORDER_FIRST, audio_uninit, NULL);
|