Messages in this thread Patch in this message | | | From | Gabriele Mazzotta <> | Subject | [PATCH] iio: light: acpi-als: Report data as processed rather than raw | Date | Thu, 7 Jan 2016 16:21:45 +0100 |
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As per the ACPI specification (Revision 5.0) [1], the data coming from the sensor represent the ambient light illuminance reading expressed in lux. Use IIO_CHAN_INFO_PROCESSED instead of IIO_CHAN_INFO_RAW to signify that the data are pre-processed.
[1] http://www.acpi.info/DOWNLOADS/ACPIspec50.pdf
Signed-off-by: Gabriele Mazzotta <gabriele.mzt@gmail.com> --- drivers/iio/light/acpi-als.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/iio/light/acpi-als.c b/drivers/iio/light/acpi-als.c index 60537ec..a53be07 100644 --- a/drivers/iio/light/acpi-als.c +++ b/drivers/iio/light/acpi-als.c @@ -54,7 +54,7 @@ static const struct iio_chan_spec acpi_als_channels[] = { .realbits = 32, .storagebits = 32, }, - .info_mask_separate = BIT(IIO_CHAN_INFO_RAW), + .info_mask_separate = BIT(IIO_CHAN_INFO_PROCESSED), }, }; @@ -152,7 +152,7 @@ static int acpi_als_read_raw(struct iio_dev *indio_dev, s32 temp_val; int ret; - if (mask != IIO_CHAN_INFO_RAW) + if (mask != IIO_CHAN_INFO_PROCESSED) return -EINVAL; /* we support only illumination (_ALI) so far. */ -- 2.7.0.rc3
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