/*
* EMU10k1 loader
*
* Copyright (c) 2003,2004 by Peter Zubaj
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*
*/
#include <alsa/asoundlib.h>
#include "ld10k1.h"
#include "ld10k1_mixer.h"
#include "ld10k1_error.h"
int ld10k1_init_reserved_ctls(ld10k1_dsp_mgr_t *dsp_mgr, snd_ctl_t *ctlp)
{
snd_ctl_elem_list_t *clist;
int count;
int i;
const char *ctl_name;
unsigned int ctl_index;
ld10k1_reserved_ctl_list_item_t *res_ctl;
dsp_mgr->reserved_ctl_list = NULL;
snd_ctl_elem_list_alloca(&clist);
if (snd_ctl_elem_list(ctlp, clist) < 0)
return LD10K1_ERR_NO_MEM;
if ((count = snd_ctl_elem_list_get_count(clist)) < 0)
return LD10K1_ERR_NO_MEM;
snd_ctl_elem_list_set_offset(clist, 0);
if (snd_ctl_elem_list_alloc_space(clist, count) < 0)
return LD10K1_ERR_NO_MEM;
if (snd_ctl_elem_list(ctlp, clist) < 0) {
snd_ctl_elem_list_free_space(clist);
return LD10K1_ERR_NO_MEM;
}
for (i = 0; i < count; i++) {
snd_ctl_elem_id_t *id;
snd_ctl_elem_id_alloca(&id);
snd_ctl_elem_list_get_id(clist, i, id);
ctl_name = snd_ctl_elem_id_get_name(id);
ctl_index = snd_ctl_elem_id_get_index(id);
res_ctl = (ld10k1_reserved_ctl_list_item_t *)malloc(sizeof(ld10k1_reserved_ctl_list_item_t));
if (!res_ctl) {
snd_ctl_elem_list_free_space(clist);
return LD10K1_ERR_NO_MEM;
}
res_ctl->next = dsp_mgr->reserved_ctl_list;
dsp_mgr->reserved_ctl_list = res_ctl;
strncpy(res_ctl->res_ctl.name, ctl_name, 43);
res_ctl->res_ctl.name[43] = '\0';
res_ctl->res_ctl.index = ctl_index;
}
snd_ctl_elem_list_free_space(clist);
return 0;
}
int ld10k1_free_reserved_ctls(ld10k1_dsp_mgr_t *dsp_mgr)
{
ld10k1_reserved_ctl_list_item_t *item;
ld10k1_reserved_ctl_list_item_t *item1;
for (item = dsp_mgr->reserved_ctl_list; item != NULL;) {
item1 = item->next;
free(item);
item = item1;
}
dsp_mgr->reserved_ctl_list = NULL;
return 0;
}