Optimize the scan index for the differential channels. Before, it
was single channel count + index of the first single channel
number of the differential pair. (e.g. 11+0, +2, +4, etc.)
Divide that number by two (since it's always even), and add it up
as a scan index to have consecutive numbered channels in the
index.
Signed-off-by: Eugen Hristev <eugen.hristev@xxxxxxxxxxxxx>
---
drivers/iio/adc/at91-sama5d2_adc.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/iio/adc/at91-sama5d2_adc.c b/drivers/iio/adc/at91-sama5d2_adc.c
index 7b9febc..9610393 100644
--- a/drivers/iio/adc/at91-sama5d2_adc.c
+++ b/drivers/iio/adc/at91-sama5d2_adc.c
@@ -209,7 +209,7 @@
.channel = num, \
.channel2 = num2, \
.address = addr, \
- .scan_index = num + AT91_SAMA5D2_SINGLE_CHAN_CNT, \
+ .scan_index = (num >> 1) + AT91_SAMA5D2_SINGLE_CHAN_CNT,\
.scan_type = { \
.sign = 's', \
.realbits = 12, \
--
2.7.4
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