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staging:iio:ad7192: Mark channels as unsigned
The values reported by the AD7793 are unsigned. In uniploar mode: 0x000000 is zeroscale 0xffffff is fullscale In bipolar mode: 0x000000 is negative fullscale 0x800000 is zeroscale 0xffffff is positive fullscale In bipolar mode there is a binary offset, but the values are still unsigned. Signed-off-by: Lars-Peter Clausen <lars@metafoo.de> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
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1 changed files with 3 additions and 3 deletions
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@ -945,7 +945,7 @@ static const struct iio_info ad7195_info = {
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IIO_CHAN_INFO_SCALE_SHARED_BIT, \
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.address = _address, \
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.scan_index = _si, \
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.scan_type = IIO_ST('s', 24, 32, 0)}
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.scan_type = IIO_ST('u', 24, 32, 0)}
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#define AD7192_CHAN(_chan, _address, _si) \
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{ .type = IIO_VOLTAGE, \
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@ -955,7 +955,7 @@ static const struct iio_info ad7195_info = {
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IIO_CHAN_INFO_SCALE_SHARED_BIT, \
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.address = _address, \
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.scan_index = _si, \
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.scan_type = IIO_ST('s', 24, 32, 0)}
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.scan_type = IIO_ST('u', 24, 32, 0)}
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#define AD7192_CHAN_TEMP(_chan, _address, _si) \
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{ .type = IIO_TEMP, \
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@ -965,7 +965,7 @@ static const struct iio_info ad7195_info = {
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IIO_CHAN_INFO_SCALE_SEPARATE_BIT, \
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.address = _address, \
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.scan_index = _si, \
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.scan_type = IIO_ST('s', 24, 32, 0)}
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.scan_type = IIO_ST('u', 24, 32, 0)}
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static struct iio_chan_spec ad7192_channels[] = {
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AD7192_CHAN_DIFF(1, 2, NULL, AD7192_CH_AIN1P_AIN2M, 0),
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