C++ (Cpp) clk_sce Examples

Example #1

static int dio200_subdev_8254_set_clock_src(struct comedi_device *dev,
        struct comedi_subdevice *s,
        unsigned int counter_number,
        unsigned int clock_src)
{
    const struct dio200_board *board = dev->board_ptr;
    struct dio200_subdev_8254 *subpriv = s->private;
    unsigned char byte;

    if (!board->has_clk_gat_sce)
        return -1;
    if (counter_number > 2)
        return -1;
    if (clock_src > (board->is_pcie ? 31 : 7))
        return -1;

    subpriv->clock_src[counter_number] = clock_src;
    byte = clk_sce(subpriv->which, counter_number, clock_src);
    dio200_write8(dev, subpriv->clk_sce_ofs, byte);

    return 0;
}

Example #2

File: amplc_dio200_common.c Project: mikuhatsune001/linux2.6.32

/*
 * Set clock source for an '8254' counter subdevice channel.
 */
static int
dio200_subdev_8254_set_clock_src(struct comedi_device *dev,
				 struct comedi_subdevice *s,
				 unsigned int counter_number,
				 unsigned int clock_src)
{
	const struct dio200_layout *layout = dio200_dev_layout(dev);
	struct dio200_subdev_8254 *subpriv = s->private;
	unsigned char byte;

	if (!layout->has_clk_gat_sce)
		return -1;
	if (counter_number > 2)
		return -1;
	if (clock_src > (layout->has_enhancements ? 31 : 7))
		return -1;

	subpriv->clock_src[counter_number] = clock_src;
	byte = clk_sce(subpriv->which, counter_number, clock_src);
	dio200_write8(dev, subpriv->clk_sce_ofs, byte);

	return 0;
}