/* Copyright 2005 Red Hat, Inc.

 *

 * This software may be freely redistributed under the terms of the GNU

 * public license.

 *

 * You should have received a copy of the GNU General Public License

 * along with this program; if not, write to the Free Software

 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.

 *

 */

#include <stdio.h>

#include <string.h>

#include <alsa/asoundlib.h>

int get_card_device(const char *p_device)

{

  int err;

  snd_ctl_t *handle;

  snd_ctl_card_info_t *info;

  snd_ctl_card_info_alloca(&info;;

  if ((err = snd_ctl_open(&handle, "default", 0)) < 0) {

    fprintf(stderr,"Open error: %s\n", snd_strerror(err));

    return(0);

  }

  if ((err = snd_ctl_card_info(handle, info)) < 0) {

    fprintf(stderr,"HW info error: %s\n", snd_strerror(err));

    return(0);

  }

  return (snd_ctl_card_info_get_card(info));

}

int main(int argc, char *argv[])

{

  char *p_device = "default";

  int   card;

  if (argc > 1 && argv[1])

    p_device = argv[1];

  card = get_card_device(p_device);

  printf("%d",card);

  return (card);

}