diff options
| -rw-r--r-- | drivers/iio/light/rohm-bu27034.c | 15 |
1 files changed, 14 insertions, 1 deletions
diff --git a/drivers/iio/light/rohm-bu27034.c b/drivers/iio/light/rohm-bu27034.c index ec4f9bef83f8..76711c3cdf7c 100644 --- a/drivers/iio/light/rohm-bu27034.c +++ b/drivers/iio/light/rohm-bu27034.c @@ -148,7 +148,8 @@ static const struct iio_itime_sel_mul bu27034_itimes[] = { .type = IIO_INTENSITY, \ .channel = BU27034_CHAN_##_name, \ .info_mask_separate = BIT(IIO_CHAN_INFO_RAW) | \ - BIT(IIO_CHAN_INFO_SCALE), \ + BIT(IIO_CHAN_INFO_SCALE) | \ + BIT(IIO_CHAN_INFO_HARDWAREGAIN), \ .info_mask_separate_available = BIT(IIO_CHAN_INFO_SCALE), \ .info_mask_shared_by_all = BIT(IIO_CHAN_INFO_INT_TIME), \ .info_mask_shared_by_all_available = \ @@ -989,6 +990,13 @@ static int bu27034_read_raw(struct iio_dev *idev, return IIO_VAL_INT_PLUS_MICRO; + case IIO_CHAN_INFO_HARDWAREGAIN: + ret = bu27034_get_gain(data, chan->channel, val); + if (ret) + return ret; + + return IIO_VAL_INT; + case IIO_CHAN_INFO_SCALE: return bu27034_get_scale(data, chan->channel, val, val2); @@ -1033,12 +1041,17 @@ static int bu27034_write_raw_get_fmt(struct iio_dev *indio_dev, struct iio_chan_spec const *chan, long mask) { + struct bu27034_data *data = iio_priv(indio_dev); switch (mask) { case IIO_CHAN_INFO_SCALE: return IIO_VAL_INT_PLUS_NANO; case IIO_CHAN_INFO_INT_TIME: return IIO_VAL_INT_PLUS_MICRO; + case IIO_CHAN_INFO_HARDWAREGAIN: + dev_dbg(data->dev, + "HARDWAREGAIN is read-only, use scale to set\n"); + return -EINVAL; default: return -EINVAL; } |