C++ snd_card_proc_new函数代码示例

static void cs_proc_init(ice1712_t *ice)
{
	snd_info_entry_t *entry;
	if (! snd_card_proc_new(ice->card, "cs_codec", &entry)) {
		snd_info_set_text_ops(entry, ice, 1024, cs_proc_regs_read);
	}
}

void snd_gus_irq_profile_init(struct snd_gus_card *gus)
{
	struct snd_info_entry *entry;

	if (! snd_card_proc_new(gus->card, "gusirq", &entry))
		snd_info_set_text_ops(entry, gus, snd_gus_irq_info_read);
}

static void __devinit snd_atiixp_proc_init(atiixp_t *chip)
{
    snd_info_entry_t *entry;

    if (! snd_card_proc_new(chip->card, "atiixp", &entry))
        snd_info_set_text_ops(entry, chip, 1024, snd_atiixp_proc_read);
}

int snd_gf1_mem_init(struct snd_gus_card * gus)
{
    struct snd_gf1_mem *alloc;
    struct snd_gf1_mem_block block;
#ifdef CONFIG_SND_DEBUG
    struct snd_info_entry *entry;
#endif

    alloc = &gus->gf1.mem_alloc;
    mutex_init(&alloc->memory_mutex);
    alloc->first = alloc->last = NULL;
    if (!gus->gf1.memory)
        return 0;

    memset(&block, 0, sizeof(block));
    block.owner = SNDRV_GF1_MEM_OWNER_DRIVER;
    if (gus->gf1.enh_mode) {
        block.ptr = 0;
        block.size = 1024;
        block.name = kstrdup("InterWave LFOs", GFP_KERNEL);
        if (snd_gf1_mem_xalloc(alloc, &block) == NULL)
            return -ENOMEM;
    }
    block.ptr = gus->gf1.default_voice_address;
    block.size = 4;
    block.name = kstrdup("Voice default (NULL's)", GFP_KERNEL);
    if (snd_gf1_mem_xalloc(alloc, &block) == NULL)
        return -ENOMEM;
#ifdef CONFIG_SND_DEBUG
    if (! snd_card_proc_new(gus->card, "gusmem", &entry))
        snd_info_set_text_ops(entry, gus, snd_gf1_mem_info_read);
#endif
    return 0;
}

static void oxygen_proc_init(struct oxygen *chip)
{
	struct snd_info_entry *entry;

	if (!snd_card_proc_new(chip->card, "cmi8788", &entry))
		snd_info_set_text_ops(entry, chip, oxygen_proc_read);
}

static void snd_atiixp_proc_init(struct atiixp *chip)
{
	struct snd_info_entry *entry;

	if (! snd_card_proc_new(chip->card, "atiixp", &entry))
		snd_info_set_text_ops(entry, chip, snd_atiixp_proc_read);
}

static void __devinit
snd_ad1889_proc_init(struct snd_ad1889 *chip)
{
	struct snd_info_entry *entry;

	if (!snd_card_proc_new(chip->card, chip->card->driver, &entry))
		snd_info_set_text_ops(entry, chip, snd_ad1889_proc_read);
}

static void wm_proc_init(struct snd_ice1712 *ice)
{
	struct snd_info_entry *entry;
	if (!snd_card_proc_new(ice->card, "wm_codec", &entry)) {
		snd_info_set_text_ops(entry, ice, wm_proc_regs_read);
		entry->mode |= S_IWUSR;
		entry->c.text.write = wm_proc_regs_write;
	}
}

int snd_gf1_mem_proc_init(struct snd_gus_card * gus)
{
	int idx;
	char name[16];
	struct gus_proc_private *priv;
	struct snd_info_entry *entry;

	for (idx = 0; idx < 4; idx++) {
		if (gus->gf1.mem_alloc.banks_8[idx].size > 0) {
			priv = kzalloc(sizeof(*priv), GFP_KERNEL);
			if (priv == NULL)
				return -ENOMEM;
			priv->gus = gus;
			sprintf(name, "gus-ram-%i", idx);
			if (! snd_card_proc_new(gus->card, name, &entry)) {
				entry->content = SNDRV_INFO_CONTENT_DATA;
				entry->private_data = priv;
				entry->private_free = snd_gf1_mem_proc_free;
				entry->c.ops = &snd_gf1_mem_proc_ops;
				priv->address = gus->gf1.mem_alloc.banks_8[idx].address;
				priv->size = entry->size = gus->gf1.mem_alloc.banks_8[idx].size;
			}
		}
	}
	for (idx = 0; idx < 4; idx++) {
		if (gus->gf1.rom_present & (1 << idx)) {
			priv = kzalloc(sizeof(*priv), GFP_KERNEL);
			if (priv == NULL)
				return -ENOMEM;
			priv->rom = 1;
			priv->gus = gus;
			sprintf(name, "gus-rom-%i", idx);
			if (! snd_card_proc_new(gus->card, name, &entry)) {
				entry->content = SNDRV_INFO_CONTENT_DATA;
				entry->private_data = priv;
				entry->private_free = snd_gf1_mem_proc_free;
				entry->c.ops = &snd_gf1_mem_proc_ops;
				priv->address = idx * 4096 * 1024;
				priv->size = entry->size = gus->gf1.rom_memory;
			}
		}
	}
	return 0;
}

static void wm_proc_init(ice1712_t *ice)
{
	snd_info_entry_t *entry;
	if (! snd_card_proc_new(ice->card, "wm_codec", &entry)) {
		snd_info_set_text_ops(entry, ice, 1024, wm_proc_regs_read);
		entry->mode |= S_IWUSR;
		entry->c.text.write_size = 1024;
		entry->c.text.write = wm_proc_regs_write;
	}
}

static void __devinit dummy_proc_init(struct snd_dummy *chip)
{
	struct snd_info_entry *entry;

	if (!snd_card_proc_new(chip->card, "dummy_pcm", &entry)) {
		snd_info_set_text_ops(entry, chip, dummy_proc_read);
		entry->c.text.write = dummy_proc_write;
		entry->mode |= S_IWUSR;
	}
}

static int proc_init(struct snd_akm4xxx *ak)
{
	struct snd_info_entry *entry;
	int err;
	err = snd_card_proc_new(ak->card, ak->name, &entry);
	if (err < 0)
		return err;
	snd_info_set_text_ops(entry, ak, proc_regs_read);
	return 0;
}

static void __devinit snd_mixart_proc_init(struct snd_mixart *chip)
{
	struct snd_info_entry *entry;

	/* text interface to read perf and temp meters */
	if (! snd_card_proc_new(chip->card, "board_info", &entry)) {
		entry->private_data = chip;
		entry->c.text.read = snd_mixart_proc_read;
	}

	if (! snd_card_proc_new(chip->card, "mixart_BA0", &entry)) {
		entry->content = SNDRV_INFO_CONTENT_DATA;
		entry->private_data = chip->mgr;	
		entry->c.ops = &snd_mixart_proc_ops_BA0;
		entry->size = MIXART_BA0_SIZE;
	}
	if (! snd_card_proc_new(chip->card, "mixart_BA1", &entry)) {
		entry->content = SNDRV_INFO_CONTENT_DATA;
		entry->private_data = chip->mgr;
		entry->c.ops = &snd_mixart_proc_ops_BA1;
		entry->size = MIXART_BA1_SIZE;
	}
}

static int __devinit loopback_proc_new(struct loopback *loopback, int cidx)
{
	char name[32];
	struct snd_info_entry *entry;
	int err;

	snprintf(name, sizeof(name), "cable#%d", cidx);
	err = snd_card_proc_new(loopback->card, name, &entry);
	if (err < 0)
		return err;

	snd_info_set_text_ops(entry, loopback, print_cable_info);
	return 0;
}

int snd_hda_eld_proc_new(struct hda_codec *codec, struct hdmi_eld *eld)
{
	char name[32];
	struct snd_info_entry *entry;
	int err;

	snprintf(name, sizeof(name), "eld#%d", codec->addr);
	err = snd_card_proc_new(codec->bus->card, name, &entry);
	if (err < 0)
		return err;

	snd_info_set_text_ops(entry, eld, hdmi_print_eld_info);
	entry->c.text.write = hdmi_write_eld_info;
	entry->mode |= S_IWUSR;
	eld->proc_entry = entry;

	return 0;
}