Additional modifiers in IIO_CHAN_INFO_SCALE check will mostly have a ppm
unit and the switch statement is more confusing, and adds unneeded code.
Signed-off-by: Matt Ranostay <matt.ranostay@xxxxxxxxxxxx>
---
drivers/iio/chemical/atlas-ezo-sensor.c | 18 ++++++++++--------
1 file changed, 10 insertions(+), 8 deletions(-)
diff --git a/drivers/iio/chemical/atlas-ezo-sensor.c b/drivers/iio/chemical/atlas-ezo-sensor.c
index 307c3488f4bd..5fae1c4087ee 100644
--- a/drivers/iio/chemical/atlas-ezo-sensor.c
+++ b/drivers/iio/chemical/atlas-ezo-sensor.c
@@ -165,17 +165,19 @@ static int atlas_ezo_read_raw(struct iio_dev *indio_dev,
return -EINVAL;
}
- /* IIO_CONCENTRATION modifiers */
- switch (chan->channel2) {
- case IIO_MOD_CO2:
- *val = 0;
- *val2 = 100; /* 0.0001 */
- return IIO_VAL_INT_PLUS_MICRO;
- case IIO_MOD_O2:
+ if (chan->channel2 == IIO_NO_MOD)
+ return -EINVAL;
+
+ // IIO_CONCENTRATION modifier for percent
+ if (chan->channel2 == IIO_MOD_O2) {
*val = 100;
return IIO_VAL_INT;
}
- return -EINVAL;
+
+ // IIO_CONCENTRATION modifier for PPM - 0.0001
+ *val = 0;
+ *val2 = 100;
+ return IIO_VAL_INT_PLUS_MICRO;
}
return 0;
--
2.30.2
