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authorGary S. Robertson <gary.robertson@linaro.org>2015-12-16 20:33:52 -0600
committerGary S. Robertson <gary.robertson@linaro.org>2015-12-16 20:33:52 -0600
commit75e2d5300fc98dccb3b99031daf1081a8952a738 (patch)
treedf130108bbac39067b9ad1cbda2f4fd4116da59e /drivers/staging/iio/adc/mxs-lradc.c
parentfe7e08f8621d68222f1c65599d8c8d10f0cf5164 (diff)
parent6844488aaa6b23d45106c9c3c3ba2f2ee4a612f9 (diff)
Merge tag 'lsk-v4.1-15.11' of http://git.linaro.org/kernel/linux-linaro-stable into linux-linaro-lng-v4.1linux-lng-4.1.13-2015.12
LSK 15.11 v4.1 Signed-off-by: Gary S. Robertson <gary.robertson@linaro.org> Conflicts: linaro/configs/preempt-rt.conf linaro/configs/vexpress64.conf
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 d7c5223f1c3e..2931ea9b75d1 100644
--- a/drivers/staging/iio/adc/mxs-lradc.c
+++ b/drivers/staging/iio/adc/mxs-lradc.c
@@ -919,11 +919,12 @@ 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;
}