linux-2.6.33/snd_card_do_free()

参照元†

linux-2.6.33/snd_card_free()

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説明†

パス: linux-2.6.33/sound/core/init.c

FIXME: これは何？
- 説明

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引数†

struct snd_card *card
- linux-2.6.33/snd_card

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返り値†

int
- 成功ならば 0、失敗ならば 0 以外。

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参考†

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実装†

/**
 *  snd_card_free - frees given soundcard structure
 *  @card: soundcard structure
 *
 *  This function releases the soundcard structure and the all assigned
 *  devices automatically.  That is, you don't have to release the devices
 *  by yourself.
 *
 *  Returns zero. Frees all associated devices and frees the control
 *  interface associated to given soundcard.
 */
static int snd_card_do_free(struct snd_card *card)
{
#if defined(CONFIG_SND_MIXER_OSS) || defined(CONFIG_SND_MIXER_OSS_MODULE)

- linux-2.6.33/CONFIG_SND_MIXER_OSS

linux-2.6.33/CONFIG_SND_MIXER_OSS_MODULE

	if (snd_mixer_oss_notify_callback)
		snd_mixer_oss_notify_callback(card, SND_MIXER_OSS_NOTIFY_FREE);

- linux-2.6.33/snd_mixer_oss_notify_callback(global)

linux-2.6.33/SND_MIXER_OSS_NOTIFY_FREE

#endif
	if (snd_device_free_all(card, SNDRV_DEV_CMD_PRE) < 0) {
		snd_printk(KERN_ERR "unable to free all devices (pre)\n");
		/* Fatal, but this situation should never occur */
	}

- linux-2.6.33/snd_device_free_all()

linux-2.6.33/SNDRV_DEV_CMD_PRE

- linux-2.6.33/snd_printk()

	if (snd_device_free_all(card, SNDRV_DEV_CMD_NORMAL) < 0) {
		snd_printk(KERN_ERR "unable to free all devices (normal)\n");
		/* Fatal, but this situation should never occur */
	}

- linux-2.6.33/SNDRV_DEV_CMD_NORMAL

	if (snd_device_free_all(card, SNDRV_DEV_CMD_POST) < 0) {
		snd_printk(KERN_ERR "unable to free all devices (post)\n");
		/* Fatal, but this situation should never occur */
	}

- linux-2.6.33/SNDRV_DEV_CMD_POST

	if (card->private_free)
		card->private_free(card);
	snd_info_free_entry(card->proc_id);
	if (snd_info_card_free(card) < 0) {
		snd_printk(KERN_WARNING "unable to free card info\n");
		/* Not fatal error */
	}
	kfree(card);