asound_ioctl.c

#include <fcntl.h>
#include <sys/ioctl.h>
#include <hwdep.h>
#include <error.h>
#include <stdio.h>

#include "rt56xx_ioctl.h"

int main()
{
        snd_hwdep_t *hwdep;
        int err;
        int i;

        struct rt56xx_cmd cmd;
        int buf[0x80];
        cmd.buf = &buf;


        if ((err = snd_hwdep_open(&hwdep, "hw:3,0", O_RDWR)) < 0) {
                printf("snd_hwdep open failed!  %s\n",snd_strerror(err));
                return -1;
        }

        if ((err = snd_hwdep_ioctl(hwdep,RT_READ_ALL_CODEC_REG_IOCTL, &cmd)) < 0 ) {
                printf("snd_hwdep ioctl failed! %s\n",snd_strerror(err));
                return -1;
        }

        for(i=0;i<0x80;i++){
                printf("%03X, %08X\n",i,buf[i]);
        }

        return 0;
}