C++ (Cpp) ade7758_write_waveform_type Examples

Example #1

File: ade7758_ring.c Project: openube/android_kernel_sony_c2305

/**
 * ade7758_ring_preenable() setup the parameters of the ring before enabling
 *
 * The complex nature of the setting of the number of bytes per datum is due
 * to this driver currently ensuring that the timestamp is stored at an 8
 * byte boundary.
 **/
static int ade7758_ring_preenable(struct iio_dev *indio_dev)
{
	struct ade7758_state *st = iio_priv(indio_dev);
	struct iio_buffer *ring = indio_dev->buffer;
	size_t d_size;
	unsigned channel;

	if (!bitmap_empty(indio_dev->active_scan_mask, indio_dev->masklength))
		return -EINVAL;

	channel = find_first_bit(indio_dev->active_scan_mask,
				 indio_dev->masklength);

	d_size = st->ade7758_ring_channels[channel].scan_type.storagebits / 8;

	if (ring->scan_timestamp) {
		d_size += sizeof(s64);

		if (d_size % sizeof(s64))
			d_size += sizeof(s64) - (d_size % sizeof(s64));
	}

	if (indio_dev->buffer->access->set_bytes_per_datum)
		indio_dev->buffer->access->
			set_bytes_per_datum(indio_dev->buffer, d_size);

	ade7758_write_waveform_type(&indio_dev->dev,
		st->ade7758_ring_channels[channel].address);

	return 0;
}

Example #2

File: ade7758_ring.c Project: 020gzh/linux

/**
 * ade7758_ring_preenable() setup the parameters of the ring before enabling
 *
 * The complex nature of the setting of the number of bytes per datum is due
 * to this driver currently ensuring that the timestamp is stored at an 8
 * byte boundary.
 **/
static int ade7758_ring_preenable(struct iio_dev *indio_dev)
{
	unsigned channel;

	if (bitmap_empty(indio_dev->active_scan_mask, indio_dev->masklength))
		return -EINVAL;

	channel = find_first_bit(indio_dev->active_scan_mask,
				 indio_dev->masklength);

	ade7758_write_waveform_type(&indio_dev->dev,
		indio_dev->channels[channel].address);

	return 0;
}

Example #3

File: ade7758_ring.c Project: AD5GB/kernel_n5_3.10-experimental

/**
 * ade7758_ring_preenable() setup the parameters of the ring before enabling
 *
 * The complex nature of the setting of the number of bytes per datum is due
 * to this driver currently ensuring that the timestamp is stored at an 8
 * byte boundary.
 **/
static int ade7758_ring_preenable(struct iio_dev *indio_dev)
{
	struct ade7758_state *st = iio_priv(indio_dev);
	unsigned channel;
	int ret;

	if (!bitmap_empty(indio_dev->active_scan_mask, indio_dev->masklength))
		return -EINVAL;

	ret = iio_sw_buffer_preenable(indio_dev);
	if (ret < 0)
		return ret;

	channel = find_first_bit(indio_dev->active_scan_mask,
				 indio_dev->masklength);

	ade7758_write_waveform_type(&indio_dev->dev,
		st->ade7758_ring_channels[channel].address);

	return 0;
}