/* tinymix.c
**
** Copyright 2011, The Android Open Source Project
**
** Redistribution and use in source and binary forms, with or without
** modification, are permitted provided that the following conditions are met:
**     * Redistributions of source code must retain the above copyright
**       notice, this list of conditions and the following disclaimer.
**     * Redistributions in binary form must reproduce the above copyright
**       notice, this list of conditions and the following disclaimer in the
**       documentation and/or other materials provided with the distribution.
**     * Neither the name of The Android Open Source Project nor the names of
**       its contributors may be used to endorse or promote products derived
**       from this software without specific prior written permission.
**
** THIS SOFTWARE IS PROVIDED BY The Android Open Source Project ``AS IS'' AND
** ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
** IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
** ARE DISCLAIMED. IN NO EVENT SHALL The Android Open Source Project BE LIABLE
** FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
** DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
** SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
** CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
** LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
** OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
** DAMAGE.
*/

#include <tinyalsa/asoundlib.h>
#include <stdio.h>

int main(int argc, char **argv)
{
    struct mixer *mixer;
    struct mixer_ctl *ctl;
    const char *type;
    unsigned int num_ctls, num_values;
    char buffer[256];
    unsigned int i;

    mixer = mixer_open(0);
    num_ctls = mixer_get_num_ctls(mixer);

    printf("Number of controls: %d\n", num_ctls);

    printf("ctl\ttype\tnum\tname\n");
    for (i = 0; i < num_ctls; i++) {
        ctl = mixer_get_ctl(mixer, i);

        mixer_ctl_get_name(ctl, buffer, sizeof(buffer));
        type = mixer_ctl_get_type_string(ctl);
        num_values = mixer_ctl_get_num_values(ctl);

        printf("%d\t%s\t%d\t%s\n", i, type, num_values, buffer);
    }

    mixer_close(mixer);

    return 0;
}