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Linux/sound/last.c

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

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