iriver Dicple D88
如何調整音量
main.c
#include <stdio.h>
#include <stdlib.h>
#include <fcntl.h>
#include <unistd.h>
#include <sys/ioctl.h>
int main(int argc, char **argv)
{
int soundDev = open("/dev/mixer", O_RDWR);
if (soundDev) {
int vol = (double)100.0 / 2.5;
ioctl(soundDev, 0xc0044d00, vol);
close(soundDev);
}
}