Ejemplos de audio_client_dump en C++ (Cpp)

Ejemplo n.º 1

Archivo: pcm_out.c Proyecto: lupohirp/Acer-Liquid-A1-2.6.35

static ssize_t pcm_write(struct file *file, const char __user *buf,
			   size_t count, loff_t *pos)
{
	struct pcm *pcm = file->private_data;
	struct audio_client *ac;
	struct audio_buffer *ab;
	const char __user *start = buf;
	int xfer;

	if (!pcm->ac)
		pcm_ioctl(file, AUDIO_START, 0);

	ac = pcm->ac;
	if (!ac)
		return -ENODEV;

	while (count > 0) {
		ab = ac->buf + ac->cpu_buf;

		if (ab->used)
			if (!wait_event_timeout(ac->wait, (ab->used == 0), 5*HZ)) {
				audio_client_dump(ac);
				pr_err("[%s:%s] timeout. dsp dead?\n",
						__MM_FILE__, __func__);
				q6audio_dsp_not_responding();
			}

		xfer = count;
		if (xfer > ab->size)
			xfer = ab->size;

		if (copy_from_user(ab->data, buf, xfer)) 
			return -EFAULT;

		buf += xfer;
		count -= xfer;

		ab->used = 1;
		ab->actual_size = xfer;
		q6audio_write(ac, ab);
		ac->cpu_buf ^= 1;
	}

	return buf - start;
}

Ejemplo n.º 2

Archivo: pcm_in.c Proyecto: BootyDropMaster/BlackDome_New_supersonic

static ssize_t q6_in_read(struct file *file, char __user *buf,
			  size_t count, loff_t *pos)
{
	struct pcm *pcm = file->private_data;
	struct audio_client *ac;
	struct audio_buffer *ab;
	const char __user *start = buf;
	int xfer;
	int res;

	ac = pcm->ac;
	if (!ac) {
		res = -ENODEV;
		goto fail;
	}
	while (count > 0) {
		ab = ac->buf + ac->cpu_buf;

		if (ab->used)
			if (!wait_event_timeout(ac->wait, (ab->used == 0), 5*HZ)) {
				audio_client_dump(ac);
				pr_err("pcm_read: timeout. dsp dead?\n");
				q6audio_dsp_not_responding();
			}

		xfer = count;
		if (xfer > ab->size)
			xfer = ab->size;

		if (copy_to_user(buf, ab->data, xfer)) {
			res = -EFAULT;
			goto fail;
		}

		buf += xfer;
		count -= xfer;

		ab->used = 1;
		q6audio_read(ac, ab);
		ac->cpu_buf ^= 1;
	}
fail:
	res = buf - start;
	return res;
}

Ejemplo n.º 3

Archivo: amrnb_in.c Proyecto: Laci59/Htc-Sense-Freedom-Kernel

static ssize_t q6_amrnb_in_read(struct file *file, char __user *buf,
			   size_t count, loff_t *pos)
{
	struct audio_client *ac;
	struct audio_buffer *ab;
	const char __user *start = buf;
	struct amrnb *amrnb = file->private_data;
	int xfer = 0;
	int res;

	mutex_lock(&amrnb->lock);
	ac = amrnb->audio_client;
	if (!ac) {
		res = -ENODEV;
		goto fail;
	}
#if 1 
	while (count > xfer) {
		ab = ac->buf + ac->cpu_buf;

		if (ab->used)
			wait_event(ac->wait, (ab->used == 0));

		xfer = ab->actual_size;

		if (copy_to_user(buf, ab->data, xfer)) {
			res = -EFAULT;
			goto fail;
		}

		buf += xfer;
		count -= xfer;

		ab->used = 1;
		q6audio_read(ac, ab);
		ac->cpu_buf ^= 1;
	}
#else
        while (count > 0) {
                ab = ac->buf + ac->cpu_buf;

                if (ab->used)
			 wait_event(ac->wait, (ab->used == 0));
#if 0
                        if (!wait_event_timeout(ac->wait, (ab->used == 0), 5*HZ)) {
                                audio_client_dump(ac);
                                pr_err("pcm_read: timeout. dsp dead?\n");
                                q6audio_dsp_not_responding();
                        }
#endif
                xfer = count;
                if (xfer > ab->size)
                        xfer = ab->size;

                if (copy_to_user(buf, ab->data, xfer)) {
                        res = -EFAULT;
                        goto fail;
                }

                buf += xfer;
                count -= xfer;

                ab->used = 1;
                q6audio_read(ac, ab);
                ac->cpu_buf ^= 1;
        }
#endif

	res = buf - start;
fail:
	mutex_unlock(&amrnb->lock);

	return res;
}

Ejemplo n.º 4

Archivo: pcm_out.c Proyecto: abhimanbhau/x_Perf_kernel

// Jagan-
static ssize_t pcm_write(struct file *file, const char __user *buf,
			   size_t count, loff_t *pos)
{
	struct pcm *pcm = file->private_data;
	struct audio_client *ac;
	struct audio_buffer *ab;
	const char __user *start = buf;
	int xfer;

#if 0
// Jagan+
	if(!task_has_rt_policy(current))
	{
		struct sched_param param = { .sched_priority = 99 };
		printk(KERN_INFO "pcm_write to change to RT tid = %d\n", current->pid);	
	 	 if(sched_setscheduler_nocheck(current, SCHED_FIFO, &param )!=0)
	 	{
	  		printk(KERN_ERR "pcm_write fail to change to RT\n");
	 	}		 
	}
// Jagan-
#endif

	if (!pcm->ac)
		pcm_ioctl(file, AUDIO_START, 0);

	ac = pcm->ac;
	if (!ac)
		return -ENODEV;

	while (count > 0) {
		ab = ac->buf + ac->cpu_buf;

		if (ab->used)
			if (!wait_event_timeout(ac->wait, (ab->used == 0), 5*HZ)) {
				audio_client_dump(ac);
				pr_err("[%s:%s] timeout. dsp dead?\n",
						__MM_FILE__, __func__);
				q6audio_dsp_not_responding();
			}

		xfer = count;
		if (xfer > ab->size)
			xfer = ab->size;

		if (copy_from_user(ab->data, buf, xfer)) 
			return -EFAULT;

		buf += xfer;
		count -= xfer;

		ab->used = 1;
		ab->actual_size = xfer;
		q6audio_write(ac, ab);
		ac->cpu_buf ^= 1;
	}

	return buf - start;
}

static int pcm_release(struct inode *inode, struct file *file)
{
	struct pcm *pcm = file->private_data;
	if (pcm->ac)
		q6audio_close(pcm->ac);
	kfree(pcm);
	pr_info("[%s:%s] release\n", __MM_FILE__, __func__);
// Jagan+
	if (unlikely(1 == Is_first_boot_flag))
		Is_first_boot_flag = 0;	
// Jagan-
	return 0;
}

static struct file_operations pcm_fops = {
	.owner		= THIS_MODULE,
	.open		= pcm_open,
	.write		= pcm_write,
	.release	= pcm_release,
	.unlocked_ioctl	= pcm_ioctl,
};

struct miscdevice pcm_misc = {
	.minor	= MISC_DYNAMIC_MINOR,
	.name	= "msm_pcm_out",
	.fops	= &pcm_fops,
};

static int __init pcm_init(void) {
	return misc_register(&pcm_misc);
}

device_initcall(pcm_init);