C++ (Cpp) si470x_start 예제들

예제 #1

파일: radio-si470x-usb.c 프로젝트: AshishNamdev/linux

static int si470x_start_usb(struct si470x_device *radio)
{
	int retval;

	/* initialize interrupt urb */
	usb_fill_int_urb(radio->int_in_urb, radio->usbdev,
			usb_rcvintpipe(radio->usbdev,
				radio->int_in_endpoint->bEndpointAddress),
			radio->int_in_buffer,
			le16_to_cpu(radio->int_in_endpoint->wMaxPacketSize),
			si470x_int_in_callback,
			radio,
			radio->int_in_endpoint->bInterval);

	radio->int_in_running = 1;
	mb();

	retval = usb_submit_urb(radio->int_in_urb, GFP_KERNEL);
	if (retval) {
		dev_info(&radio->intf->dev,
				"submitting int urb failed (%d)\n", retval);
		radio->int_in_running = 0;
	}
	radio->status_rssi_auto_update = radio->int_in_running;

	/* start radio */
	retval = si470x_start(radio);
	if (retval < 0)
		return retval;

	v4l2_ctrl_handler_setup(&radio->hdl);

	return retval;
}

예제 #2

파일: radio-si470x-i2c.c 프로젝트: openube/android_kernel_sony_c2305

/*
 * si470x_fops_open - file open
 */
int si470x_fops_open(struct file *file)
{
	struct si470x_device *radio = video_drvdata(file);
	int retval = 0;

	mutex_lock(&radio->lock);
	radio->users++;

	if (radio->users == 1) {
		/* start radio */
		retval = si470x_start(radio);
		if (retval < 0)
			goto done;

		/* enable RDS / STC interrupt */
		radio->registers[SYSCONFIG1] |= SYSCONFIG1_RDSIEN;
		radio->registers[SYSCONFIG1] |= SYSCONFIG1_STCIEN;
		radio->registers[SYSCONFIG1] &= ~SYSCONFIG1_GPIO2;
		radio->registers[SYSCONFIG1] |= 0x1 << 2;
		retval = si470x_set_register(radio, SYSCONFIG1);
	}

done:
	mutex_unlock(&radio->lock);
	return retval;
}

예제 #3

/*
 * si470x_fops_open - file open
 */
static int si470x_fops_open(struct file *file)
{
	struct si470x_device *radio = video_drvdata(file);
	int retval;

	lock_kernel();
	radio->users++;

	retval = usb_autopm_get_interface(radio->intf);
	if (retval < 0) {
		radio->users--;
		retval = -EIO;
		goto done;
	}

	if (radio->users == 1) {
		/* start radio */
		retval = si470x_start(radio);
		if (retval < 0)
			usb_autopm_put_interface(radio->intf);
	}

done:
	unlock_kernel();
	return retval;
}

예제 #4

파일: radio-si470x-usb.c 프로젝트: romanbb/android_kernel_lge_d851

int si470x_fops_open(struct file *file)
{
	struct si470x_device *radio = video_drvdata(file);
	int retval;

	mutex_lock(&radio->lock);
	radio->users++;

	retval = usb_autopm_get_interface(radio->intf);
	if (retval < 0) {
		radio->users--;
		retval = -EIO;
		goto done;
	}

	if (radio->users == 1) {
		/*             */
		retval = si470x_start(radio);
		if (retval < 0) {
			usb_autopm_put_interface(radio->intf);
			goto done;
		}

		/*                          */
		usb_fill_int_urb(radio->int_in_urb, radio->usbdev,
			usb_rcvintpipe(radio->usbdev,
			radio->int_in_endpoint->bEndpointAddress),
			radio->int_in_buffer,
			le16_to_cpu(radio->int_in_endpoint->wMaxPacketSize),
			si470x_int_in_callback,
			radio,
			radio->int_in_endpoint->bInterval);

		radio->int_in_running = 1;
		mb();

		retval = usb_submit_urb(radio->int_in_urb, GFP_KERNEL);
		if (retval) {
			dev_info(&radio->intf->dev,
				 "submitting int urb failed (%d)\n", retval);
			radio->int_in_running = 0;
			usb_autopm_put_interface(radio->intf);
		}
	}

done:
	mutex_unlock(&radio->lock);
	return retval;
}

예제 #5

파일: radio-si470x-i2c.c 프로젝트: Core2idiot/Kernel-Samsung-3.0...-

/*
 * si470x_fops_open - file open
 */
int si470x_fops_open(struct file *file)
{
	struct si470x_device *radio = video_drvdata(file);
	int retval = 0;

	mutex_lock(&radio->lock);
	radio->users++;

	if (radio->users == 1) {
		/* start radio */
		retval = si470x_start(radio);
		if (retval < 0)
			goto done;

<<<<<<< HEAD

예제 #6

파일: radio-si470x.c 프로젝트: maraz/linux-2.6

/*
 * si470x_fops_open - file open
 */
static int si470x_fops_open(struct inode *inode, struct file *file)
{
	struct si470x_device *radio = video_get_drvdata(video_devdata(file));
	int retval;

	radio->users++;

	retval = usb_autopm_get_interface(radio->intf);
	if (retval < 0) {
		radio->users--;
		return -EIO;
	}

	if (radio->users == 1) {
		retval = si470x_start(radio);
		if (retval < 0)
			usb_autopm_put_interface(radio->intf);
		return retval;
	}

	return 0;
}