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staging:iio: Fix adis16203 channel offsets and scales 

Most of the channel offsets and scales in the adis16203 are incorrect:
	* Temperature scale is off by a factor of 1000
	* Voltage scale is off by a factor of 1000
	* Temperature offset is completely wrong

This patch fixes these issues.

Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
This commit is contained in:
Lars-Peter Clausen 2012-10-15 10:35:00 +01:00 committed by Jonathan Cameron
parent 8735cf94af
commit 10dda40fb6
1 changed files with 11 additions and 9 deletions
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20
drivers/staging/iio/accel/adis16203_core.c
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@ -316,25 +316,27 @@ static int adis16203_read_raw(struct iio_dev *indio_dev,
case IIO_CHAN_INFO_SCALE: case IIO_CHAN_INFO_SCALE:
switch (chan->type) { switch (chan->type) {
case IIO_VOLTAGE: case IIO_VOLTAGE:
*val = 0; if (chan->channel == 0) {
if (chan->channel == 0) *val = 1;
*val2 = 1220; *val2 = 220000; /* 1.22 mV */
else } else {
*val2 = 610; *val = 0;
*val2 = 610000; /* 0.61 mV */
}
return IIO_VAL_INT_PLUS_MICRO; return IIO_VAL_INT_PLUS_MICRO;
case IIO_TEMP: case IIO_TEMP:
*val = 0; *val = -470; /* -0.47 C */
*val2 = -470000; *val2 = 0;
return IIO_VAL_INT_PLUS_MICRO; return IIO_VAL_INT_PLUS_MICRO;
case IIO_INCLI: case IIO_INCLI:
*val = 0; *val = 0;
*val2 = 25000; *val2 = 25000; /* 0.025 degree */
return IIO_VAL_INT_PLUS_MICRO; return IIO_VAL_INT_PLUS_MICRO;
default: default:
return -EINVAL; return -EINVAL;
} }
case IIO_CHAN_INFO_OFFSET: case IIO_CHAN_INFO_OFFSET:
*val = 25; *val = 25000 / -470 - 1278; /* 25 C = 1278 */
return IIO_VAL_INT; return IIO_VAL_INT;
case IIO_CHAN_INFO_CALIBBIAS: case IIO_CHAN_INFO_CALIBBIAS:
bits = 14; bits = 14;