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Commit a7861ff0 authored by Jonathan Cameron's avatar Jonathan Cameron Committed by Greg Kroah-Hartman
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staging: iio: max1363 fix bug due to scan_element directory move. 



    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: default avatarMichael Hennerich <michael.hennerich@analog.com>
    Signed-off-by: default avatarJonathan Cameron <jic23@cam.ac.uk>

Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@suse.de>
parent 7aa3baeb

drivers/staging/iio/adc/max1363_core.c

+4 −2
Original line number Diff line number Diff line
@@ -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);

}