Jonathan Cameron wrote on 2010-10-07: > 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> Acked-by: Michael Hennerich <michael.hennerich@xxxxxxxxxx> > --- > drivers/staging/iio/accel/sca3000_ring.c | 6 ++++-- > 1 files changed, 4 insertions(+), 2 deletions(-) > diff --git a/drivers/staging/iio/accel/sca3000_ring.c > b/drivers/staging/iio/accel/sca3000_ring.c index 8186d2b..c872fdd 100644 > --- a/drivers/staging/iio/accel/sca3000_ring.c +++ > b/drivers/staging/iio/accel/sca3000_ring.c @@ -138,7 +138,8 @@ static > ssize_t sca3000_show_ring_bpse(struct device *dev, { > int len = 0, ret; > u8 *rx; > - struct iio_dev *indio_dev = dev_get_drvdata(dev); > + struct iio_ring_buffer *ring = dev_get_drvdata(dev); > + struct iio_dev *indio_dev = ring->indio_dev; > struct sca3000_state *st = indio_dev->dev_data; > > mutex_lock(&st->lock); > @@ -168,7 +169,8 @@ static ssize_t sca3000_store_ring_bpse(struct > device *dev, > const char *buf, > size_t len) > { > - struct iio_dev *indio_dev = dev_get_drvdata(dev); > + struct iio_ring_buffer *ring = dev_get_drvdata(dev); > + struct iio_dev *indio_dev = ring->indio_dev; > struct sca3000_state *st = indio_dev->dev_data; > int ret; > u8 *rx; Greetings, Michael Analog Devices GmbH Wilhelm-Wagenfeld-Str. 6 80807 Muenchen Sitz der Gesellschaft Muenchen, Registergericht Muenchen HRB 4036 Geschaeftsfuehrer Thomas Wessel, William A. Martin, Margaret Seif -- 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