diff options
Diffstat (limited to 'drivers/iio/adc/pac1934.c')
| -rw-r--r-- | drivers/iio/adc/pac1934.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/iio/adc/pac1934.c b/drivers/iio/adc/pac1934.c index e0c2742da..8a0c35742 100644 --- a/drivers/iio/adc/pac1934.c +++ b/drivers/iio/adc/pac1934.c @@ -787,6 +787,15 @@ static int pac1934_read_raw(struct iio_dev *indio_dev, s64 curr_energy; int ret, channel = chan->channel - 1; + /* + * For AVG the index should be between 5 to 8. + * To calculate PAC1934_CH_VOLTAGE_AVERAGE, + * respectively PAC1934_CH_CURRENT real index, we need + * to remove the added offset (PAC1934_MAX_NUM_CHANNELS). + */ + if (channel >= PAC1934_MAX_NUM_CHANNELS) + channel = channel - PAC1934_MAX_NUM_CHANNELS; + ret = pac1934_retrieve_data(info, PAC1934_MIN_UPDATE_WAIT_TIME_US); if (ret < 0) return ret; |