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staging: iio: adc: ad7280a: don't cast type inside switch expression 

The type promotion will kick in, so the comparison will work.

Signed-off-by: Slawomir Stepien <sst@poczta.fm>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
This commit is contained in:
Slawomir Stepien 2018-10-26 18:53:10 +02:00 committed by Jonathan Cameron
parent 2eb4c9f2a5
commit fdee2ca14b
1 changed files with 3 additions and 3 deletions
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6
drivers/staging/iio/adc/ad7280a.c
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@ -601,7 +601,7 @@ static ssize_t ad7280_read_channel_config(struct device *dev,
struct iio_dev_attr *this_attr = to_iio_dev_attr(attr);
unsigned int val;
switch ((u32)this_attr->address) {
switch (this_attr->address) {
case AD7280A_CELL_OVERVOLTAGE:
val = 1000 + (st->cell_threshhigh * 1568) / 100;
break;
@ -637,7 +637,7 @@ static ssize_t ad7280_write_channel_config(struct device *dev,
if (ret)
return ret;
switch ((u32)this_attr->address) {
switch (this_attr->address) {
case AD7280A_CELL_OVERVOLTAGE:
case AD7280A_CELL_UNDERVOLTAGE:
val = ((val - 1000) * 100) / 1568; /* LSB 15.68mV */
@ -653,7 +653,7 @@ static ssize_t ad7280_write_channel_config(struct device *dev,
val = clamp(val, 0L, 0xFFL);
mutex_lock(&st->lock);
switch ((u32)this_attr->address) {
switch (this_attr->address) {
case AD7280A_CELL_OVERVOLTAGE:
st->cell_threshhigh = val;
break;