The device found passed to the attr functions is that of the ring buffer, not the the iio_dev so we need to bounce through one more hop to get the right address. Reported-by: Michael Hennerich <michael.hennerich@xxxxxxxxxx> Signed-off-by: Jonathan Cameron <jic23@xxxxxxxxx> --- drivers/staging/iio/adc/max1363_core.c | 6 ++++-- 1 files changed, 4 insertions(+), 2 deletions(-) diff --git a/drivers/staging/iio/adc/max1363_core.c b/drivers/staging/iio/adc/max1363_core.c index 06c6024..dde097a 100644 --- a/drivers/staging/iio/adc/max1363_core.c +++ b/drivers/staging/iio/adc/max1363_core.c @@ -151,7 +151,8 @@ static ssize_t max1363_show_precision_u(struct device *dev, struct device_attribute *attr, char *buf) { - struct iio_dev *dev_info = dev_get_drvdata(dev); + struct iio_ring_buffer *ring = dev_get_drvdata(dev); + struct iio_dev *dev_info = ring->indio_dev; struct max1363_state *st = iio_dev_get_devdata(dev_info); return sprintf(buf, "u%d/16\n", st->chip_info->bits); } @@ -160,7 +161,8 @@ static ssize_t max1363_show_precision_s(struct device *dev, struct device_attribute *attr, char *buf) { - struct iio_dev *dev_info = dev_get_drvdata(dev); + struct iio_ring_buffer *ring = dev_get_drvdata(dev); + struct iio_dev *dev_info = ring->indio_dev; struct max1363_state *st = iio_dev_get_devdata(dev_info); return sprintf(buf, "s%d/16\n", st->chip_info->bits); } -- 1.7.2.2 -- To unsubscribe from this list: send the line "unsubscribe linux-iio" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html