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authorAnders Roxell <anders.roxell@linaro.org>2016-08-10 12:11:15 +0200
committerAnders Roxell <anders.roxell@linaro.org>2016-08-10 12:11:15 +0200
commita44038112d3379f49df8a9db3e1259d9e945faee (patch)
tree198f8ef7dcba389b87dbd3cac861d896b5bfd77d /drivers/staging/iio/adc/mxs-lradc.c
parent590e935df0c94b2d7a4584bb26906666176a6133 (diff)
parent0e790100f1c49f32a390d0cc55801230fd04ba56 (diff)
Merge remote-tracking branch 'lsk/linux-linaro-lsk-v3.18' into linux-linaro-lsk-v3.18-rtlsk-v3.18-16.09-rtlinux-linaro-lsk-v3.18-rt-test
Signed-off-by: Anders Roxell <anders.roxell@linaro.org> Conflicts: kernel/futex.c kernel/printk/printk.c kernel/softirq.c mm/slub.c mm/swap.c
Diffstat (limited to 'drivers/staging/iio/adc/mxs-lradc.c')
-rw-r--r--drivers/staging/iio/adc/mxs-lradc.c9
1 files changed, 5 insertions, 4 deletions
diff --git a/drivers/staging/iio/adc/mxs-lradc.c b/drivers/staging/iio/adc/mxs-lradc.c
index ffd42071a12e..6050c58db682 100644
--- a/drivers/staging/iio/adc/mxs-lradc.c
+++ b/drivers/staging/iio/adc/mxs-lradc.c
@@ -910,11 +910,12 @@ static int mxs_lradc_read_raw(struct iio_dev *iio_dev,
case IIO_CHAN_INFO_OFFSET:
if (chan->type == IIO_TEMP) {
/* The calculated value from the ADC is in Kelvin, we
- * want Celsius for hwmon so the offset is
- * -272.15 * scale
+ * want Celsius for hwmon so the offset is -273.15
+ * The offset is applied before scaling so it is
+ * actually -213.15 * 4 / 1.012 = -1079.644268
*/
- *val = -1075;
- *val2 = 691699;
+ *val = -1079;
+ *val2 = 644268;
return IIO_VAL_INT_PLUS_MICRO;
}