[PATCH v2 2/2] staging: iio: ad7780: Add parentheses to macros

[Vladimir Petrigo <vladimir.petrigo@xxxxxxxxx>]

- Fix CHECK Macro argument 'wordsize' may be better as '(wordsize)' to avoid precedence issues

Signed-off-by: Vladimir Petrigo <vladimir.petrigo@xxxxxxxxx>
---
 drivers/staging/iio/adc/ad7780.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/staging/iio/adc/ad7780.c b/drivers/staging/iio/adc/ad7780.c
index c4a8578..010fb47 100644
--- a/drivers/staging/iio/adc/ad7780.c
+++ b/drivers/staging/iio/adc/ad7780.c
@@ -142,7 +142,7 @@ static const struct ad_sigma_delta_info ad7780_sigma_delta_info = {
 };
 
 #define AD7780_CHANNEL(bits, wordsize) \
-	AD_SD_CHANNEL_NO_SAMP_FREQ(1, 0, 0, bits, 32, wordsize - bits)
+	AD_SD_CHANNEL_NO_SAMP_FREQ(1, 0, 0, bits, 32, (wordsize) - (bits))
 
 static const struct ad7780_chip_info ad7780_chip_info_tbl[] = {
 	[ID_AD7170] = {
-- 
2.7.4