C++ (Cpp) snd_soc_pcm_new示例

示例#1

static int imx_3stack_pcm_new(struct snd_soc_pcm_link *pcm_link)
{
	int ret;
	pcm_link->audio_ops = &imx_3stack_hifi_ops;
	ret = snd_soc_pcm_new(pcm_link, 1, 1);
	if (ret < 0) {
		pr_err("%s: Failed to create hifi pcm\n", __func__);
		return ret;
	}

	return 0;
}

示例#2

static int bt_pcm_new(struct snd_soc_pcm_link *pcm_link)
{
	struct bt_pcm_state *state;
	int ret;

	state = kzalloc(sizeof(struct bt_pcm_state), GFP_KERNEL);
	if (state == NULL)
		return -ENOMEM;

	pcm_link->audio_ops = &imx_3stack_bt_ops;
	state->active = 0;
	pcm_link->private_data = state;

	ret = snd_soc_pcm_new(pcm_link, 1, 1);
	if (ret < 0) {
		pr_err("%s: Failed to create bt pcm\n", __func__);
		return ret;
	}

	return 0;
}

示例#3

static int imx_3stack_pcm_new(struct snd_soc_pcm_link *pcm_link)
{
	struct imx_3stack_pcm_state *state;
	int ret;

	state = kzalloc(sizeof(struct imx_3stack_pcm_state), GFP_KERNEL);
	if (state == NULL)
		return -ENOMEM;

	pcm_link->audio_ops = &imx_3stack_audio_ops;
	pcm_link->private_data = state;

	ret = snd_soc_pcm_new(pcm_link, 1, 1);
	if (ret < 0) {
		printk(KERN_ERR "%s: failed to create audio pcm\n", __func__);
		kfree(state);
		return ret;
	}

	printk(KERN_INFO "i.MX 3STACK SGTL5000 Audio Driver");

	return 0;
}

示例#4

static int imx_3stack_pcm_new(struct snd_soc_pcm_link *pcm_link)
{
	struct imx_3stack_pcm_state *state;
	int ret;

	state = kzalloc(sizeof(struct imx_3stack_pcm_state), GFP_KERNEL);
	if (state == NULL)
		return -ENOMEM;

	pcm_link->audio_ops = &imx_3stack_hifi_ops;
	pcm_link->private_data = state;

	ret = snd_soc_pcm_new(pcm_link, 1, 1);
	if (ret < 0) {
		err("%s: failed to create hifi pcm\n", __func__);
		kfree(state);
		return ret;
	}

	info("i.MX 3STACK WM1808 Audio Driver\n");

	return 0;
}