C++ (Cpp) ni_tio_output_cmd Examples

Example #1

File: ni_tiocmd.c Project: 513855417/linux

int ni_tio_cmd(struct comedi_device *dev, struct comedi_subdevice *s)
{
	struct ni_gpct *counter = s->private;
	struct comedi_async *async = s->async;
	struct comedi_cmd *cmd = &async->cmd;
	int retval = 0;
	unsigned long flags;

	spin_lock_irqsave(&counter->lock, flags);
	if (!counter->mite_chan) {
		dev_err(counter->counter_dev->dev->class_dev,
			"commands only supported with DMA.  ");
		dev_err(counter->counter_dev->dev->class_dev,
			"Interrupt-driven commands not yet implemented.\n");
		retval = -EIO;
	} else {
		retval = ni_tio_cmd_setup(s);
		if (retval == 0) {
			if (cmd->flags & CMDF_WRITE)
				retval = ni_tio_output_cmd(s);
			else
				retval = ni_tio_input_cmd(s);
		}
	}
	spin_unlock_irqrestore(&counter->lock, flags);
	return retval;
}

Example #2

File: ni_tiocmd.c Project: DirtyDroidX/android_kernel_htc_m8ul

int ni_tio_cmd(struct ni_gpct *counter, struct comedi_async *async)
{
	struct comedi_cmd *cmd = &async->cmd;
	int retval = 0;
	unsigned long flags;

	spin_lock_irqsave(&counter->lock, flags);
	if (counter->mite_chan == NULL) {
		printk(KERN_ERR "ni_tio: commands only supported with DMA.  Interrupt-driven commands not yet implemented.\n");
		retval = -EIO;
	} else {
		retval = ni_tio_cmd_setup(counter, async);
		if (retval == 0) {
			if (cmd->flags & CMDF_WRITE)
				retval = ni_tio_output_cmd(counter, async);
			else
				retval = ni_tio_input_cmd(counter, async);
		}
	}
	spin_unlock_irqrestore(&counter->lock, flags);
	return retval;
}