drivers: iio: ad9361: Fix out_volatge_hardwaregain_available readings

The AD9361 user space API refers attenuation as negative gain. Fix hardwaregain_available attribute to conform to the notation of [start, increment, stop]. Signed-off-by: Michael Hennerich <[email protected]>
analogdevicesinc · Jul 16, 2018 · f307784 · f307784
1 parent c3138bd
commit f307784
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/drivers/iio/adc/ad9361.c b/drivers/iio/adc/ad9361.c
@@ -7862,7 +7862,7 @@ static int ad9361_phy_read_avail(struct iio_dev *indio_dev,
 	switch (mask) {
 	case IIO_CHAN_INFO_HARDWAREGAIN:
 		if (chan->output) {
-			static const int tx_hw_gain[3] = {0, 250, 89750};
+			static const int tx_hw_gain[3] = {-89750, 250, 0};
 			*vals = tx_hw_gain;
 			*type = IIO_VAL_INT;
 			return IIO_AVAIL_RANGE;