diff options
| author | Jason Gunthorpe <jgg@nvidia.com> | 2023-10-31 10:54:48 -0300 |
|---|---|---|
| committer | Jason Gunthorpe <jgg@nvidia.com> | 2023-10-31 10:54:48 -0300 |
| commit | 162e3480246ef69386d4647d2320d86741bf08a2 (patch) | |
| tree | caada42ce40114e7abe5e74acb54781ad4aa424a /drivers/iio/afe/iio-rescale.c | |
| parent | d4b2d165714c0ce8777d5131f6e0aad617b7adc4 (diff) | |
| parent | ffc253263a1375a65fa6c9f62a893e9767fbebfa (diff) | |
Merge tag 'v6.6' into rdma.git for-next
Resolve conflict by taking the spin_lock hunk from for-next:
https://lore.kernel.org/r/20230928113851.5197a1ec@canb.auug.org.au
Required for the next patch.
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
Diffstat (limited to 'drivers/iio/afe/iio-rescale.c')
| -rw-r--r-- | drivers/iio/afe/iio-rescale.c | 19 |
1 files changed, 15 insertions, 4 deletions
diff --git a/drivers/iio/afe/iio-rescale.c b/drivers/iio/afe/iio-rescale.c index 1f280c360701..56e5913ab82d 100644 --- a/drivers/iio/afe/iio-rescale.c +++ b/drivers/iio/afe/iio-rescale.c @@ -214,8 +214,18 @@ static int rescale_read_raw(struct iio_dev *indio_dev, return ret < 0 ? ret : -EOPNOTSUPP; } - ret = iio_read_channel_scale(rescale->source, &scale, &scale2); - return rescale_process_offset(rescale, ret, scale, scale2, + if (iio_channel_has_info(rescale->source->channel, + IIO_CHAN_INFO_SCALE)) { + ret = iio_read_channel_scale(rescale->source, &scale, &scale2); + return rescale_process_offset(rescale, ret, scale, scale2, + schan_off, val, val2); + } + + /* + * If we get here we have no scale so scale 1:1 but apply + * rescaler and offset, if any. + */ + return rescale_process_offset(rescale, IIO_VAL_FRACTIONAL, 1, 1, schan_off, val, val2); default: return -EINVAL; @@ -280,8 +290,9 @@ static int rescale_configure_channel(struct device *dev, chan->type = rescale->cfg->type; if (iio_channel_has_info(schan, IIO_CHAN_INFO_RAW) && - iio_channel_has_info(schan, IIO_CHAN_INFO_SCALE)) { - dev_info(dev, "using raw+scale source channel\n"); + (iio_channel_has_info(schan, IIO_CHAN_INFO_SCALE) || + iio_channel_has_info(schan, IIO_CHAN_INFO_OFFSET))) { + dev_info(dev, "using raw+scale/offset source channel\n"); } else if (iio_channel_has_info(schan, IIO_CHAN_INFO_PROCESSED)) { dev_info(dev, "using processed channel\n"); rescale->chan_processed = true; |