The LRADC virtual channels have an 18 bit field to store the sum of up
to 2^5 accumulated samples. The read_raw function however only operates
over a single sample (12 bit resolution).
In order to use this field for scaling operations, we need it to be the
exact resolution value of the LRADC.
Signed-off-by: Hector Palacios <hector.palacios@xxxxxxxx>
---
drivers/staging/iio/adc/mxs-lradc.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/staging/iio/adc/mxs-lradc.c b/drivers/staging/iio/adc/mxs-lradc.c
index 163c638..d65a594 100644
--- a/drivers/staging/iio/adc/mxs-lradc.c
+++ b/drivers/staging/iio/adc/mxs-lradc.c
@@ -822,7 +822,7 @@ static const struct iio_buffer_setup_ops mxs_lradc_buffer_ops = {
.channel = (idx), \
.scan_type = { \
.sign = 'u', \
- .realbits = 18, \
+ .realbits = 12, \
.storagebits = 32, \
}, \
}
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