/* 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);
}