xref: /OK3568_Linux_fs/kernel/sound/last.c (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593Smuzhiyun // SPDX-License-Identifier: GPL-2.0-or-later
2*4882a593Smuzhiyun /*
3*4882a593Smuzhiyun  *  Advanced Linux Sound Architecture
4*4882a593Smuzhiyun  *  Copyright (c) by Jaroslav Kysela <perex@perex.cz>
5*4882a593Smuzhiyun  */
6*4882a593Smuzhiyun 
7*4882a593Smuzhiyun #include <linux/init.h>
8*4882a593Smuzhiyun #include <sound/core.h>
9*4882a593Smuzhiyun 
alsa_sound_last_init(void)10*4882a593Smuzhiyun static int __init alsa_sound_last_init(void)
11*4882a593Smuzhiyun {
12*4882a593Smuzhiyun 	struct snd_card *card;
13*4882a593Smuzhiyun 	int idx, ok = 0;
14*4882a593Smuzhiyun 
15*4882a593Smuzhiyun 	printk(KERN_INFO "ALSA device list:\n");
16*4882a593Smuzhiyun 	for (idx = 0; idx < SNDRV_CARDS; idx++) {
17*4882a593Smuzhiyun 		card = snd_card_ref(idx);
18*4882a593Smuzhiyun 		if (card) {
19*4882a593Smuzhiyun 			printk(KERN_INFO "  #%i: %s\n", idx, card->longname);
20*4882a593Smuzhiyun 			snd_card_unref(card);
21*4882a593Smuzhiyun 			ok++;
22*4882a593Smuzhiyun 		}
23*4882a593Smuzhiyun 	}
24*4882a593Smuzhiyun 	if (ok == 0)
25*4882a593Smuzhiyun 		printk(KERN_INFO "  No soundcards found.\n");
26*4882a593Smuzhiyun 	return 0;
27*4882a593Smuzhiyun }
28*4882a593Smuzhiyun 
29*4882a593Smuzhiyun late_initcall_sync(alsa_sound_last_init);
30