staging:iio:adc:ad799x avoid bouncing back and forth from iio_priv space.
Signed-off-by: Jonathan Cameron <jic23@cam.ac.uk> Acked-by: Michael Hennerich <michael.hennerich@analog.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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@ -124,11 +124,11 @@ struct ad799x_platform_data {
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int ad7997_8_set_scan_mode(struct ad799x_state *st, unsigned mask);
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#ifdef CONFIG_AD799X_RING_BUFFER
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int ad799x_single_channel_from_ring(struct ad799x_state *st, int channum);
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int ad799x_single_channel_from_ring(struct iio_dev *indio_dev, int channum);
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int ad799x_register_ring_funcs_and_init(struct iio_dev *indio_dev);
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void ad799x_ring_cleanup(struct iio_dev *indio_dev);
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#else /* CONFIG_AD799X_RING_BUFFER */
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int ad799x_single_channel_from_ring(struct ad799x_state *st, int channum)
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int ad799x_single_channel_from_ring(struct iio_dev *indio_dev, int channum)
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{
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return -EINVAL;
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}
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@ -150,7 +150,7 @@ static int ad799x_read_raw(struct iio_dev *dev_info,
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case 0:
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mutex_lock(&dev_info->mlock);
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if (iio_buffer_enabled(dev_info))
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ret = ad799x_single_channel_from_ring(st,
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ret = ad799x_single_channel_from_ring(dev_info,
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chan->scan_index);
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else
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ret = ad799x_scan_direct(st, chan->address);
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@ -23,9 +23,9 @@
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#include "ad799x.h"
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int ad799x_single_channel_from_ring(struct ad799x_state *st, int channum)
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int ad799x_single_channel_from_ring(struct iio_dev *indio_dev, int channum)
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{
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struct iio_buffer *ring = iio_priv_to_dev(st)->buffer;
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struct iio_buffer *ring = indio_dev->buffer;
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int count = 0, ret;
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u16 *ring_data;
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