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Subject[PATCH v2 3/5] staging: iio: adc: Avoid precedence issues in macro
Enclosing parameter with parenthesis due to avoid
possible precedence issue.

Signed-off-by: Cristian Sicilia <sicilia.cristian@gmail.com>
---
drivers/staging/iio/adc/ad7280a.c | 7 ++++---
1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/drivers/staging/iio/adc/ad7280a.c b/drivers/staging/iio/adc/ad7280a.c
index 55b5879..d81a5bd 100644
--- a/drivers/staging/iio/adc/ad7280a.c
+++ b/drivers/staging/iio/adc/ad7280a.c
@@ -97,9 +97,10 @@
#define AD7280A_NUM_CH (AD7280A_AUX_ADC_6 - \
AD7280A_CELL_VOLTAGE_1 + 1)

-#define AD7280A_CALC_VOLTAGE_CHAN_NUM(d, c) ((d * AD7280A_CELLS_PER_DEV) + c)
-#define AD7280A_CALC_TEMP_CHAN_NUM(d, c) ((d * AD7280A_CELLS_PER_DEV) + \
- c - AD7280A_CELLS_PER_DEV)
+#define AD7280A_CALC_VOLTAGE_CHAN_NUM(d, c) (((d) * AD7280A_CELLS_PER_DEV) + \
+ (c))
+#define AD7280A_CALC_TEMP_CHAN_NUM(d, c) (((d) * AD7280A_CELLS_PER_DEV) + \
+ (c) - AD7280A_CELLS_PER_DEV)

#define AD7280A_DEVADDR_MASTER 0
#define AD7280A_DEVADDR_ALL 0x1F
--
2.7.4
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