static int ssp_preenable(struct iio_dev *indio_dev)
{
int result;
result = iio_sw_buffer_preenable(indio_dev);
return result;
}
static int nuc970_ring_preenable(struct iio_dev *indio_dev)
{
int ret;
ret = iio_sw_buffer_preenable(indio_dev);
if (ret < 0)
return ret;
return 0;
}
static int ssp_preenable(struct iio_dev *indio_dev)
{
int result;
//result = inv_check_conflict_sysfs(indio_dev);
//if (result)
// return result;
result = iio_sw_buffer_preenable(indio_dev);
return result;
}
static int st_press_buffer_preenable(struct iio_dev *indio_dev)
{
int err;
err = st_sensors_set_enable(indio_dev, true);
if (err < 0)
goto st_press_set_enable_error;
err = iio_sw_buffer_preenable(indio_dev);
st_press_set_enable_error:
return err;
}
/**
* ad799x_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 ad799x_ring_preenable(struct iio_dev *indio_dev)
{
struct ad799x_state *st = iio_priv(indio_dev);
/*
* Need to figure out the current mode based upon the requested
* scan mask in iio_dev
*/
if (st->id == ad7997 || st->id == ad7998)
ad7997_8_set_scan_mode(st, *indio_dev->active_scan_mask);
return iio_sw_buffer_preenable(indio_dev);
}
/**
* 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;
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,
indio_dev->channels[channel].address);
return 0;
}
