* @use_intref: true when the internal voltage reference is used
* @vref: actual voltage reference in mVolts
* @range: output range mode used
+ * @lock lock to protect the data buffer during SPI ops
* @data: cache aligned spi buffer
*/
struct ad5761_state {
struct spi_device *spi;
struct regulator *vref_reg;
+ struct mutex lock;
bool use_intref;
int vref;
struct ad5761_state *st = iio_priv(indio_dev);
int ret;
- mutex_lock(&indio_dev->mlock);
+ mutex_lock(&st->lock);
ret = _ad5761_spi_write(st, addr, val);
- mutex_unlock(&indio_dev->mlock);
+ mutex_unlock(&st->lock);
return ret;
}
struct ad5761_state *st = iio_priv(indio_dev);
int ret;
- mutex_lock(&indio_dev->mlock);
+ mutex_lock(&st->lock);
ret = _ad5761_spi_read(st, addr, val);
- mutex_unlock(&indio_dev->mlock);
+ mutex_unlock(&st->lock);
return ret;
}
if (pdata)
voltage_range = pdata->voltage_range;
+ mutex_init(&st->lock);
+
ret = ad5761_spi_set_range(st, voltage_range);
if (ret)
goto disable_regulator_err;