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Groups > linux.kernel > #1318084
| Path | csiph.com!news.mixmin.net!aioe.org!bofh.it!news.nic.it!robomod |
|---|---|
| From | Daniel Baluta <daniel.baluta@intel.com> |
| Newsgroups | linux.kernel |
| Subject | [PATCH 1/2] iio: pressure: ms5611: Add IIO_CHAN_INFO_SCALE to mask |
| Date | Tue, 26 Jan 2016 16:50:03 +0100 |
| Message-ID | <qVe2v-67x-29@gated-at.bofh.it> (permalink) |
| References | <qVe2t-67x-1@gated-at.bofh.it> |
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| X-Original-Cc | knaack.h@gmx.de, lars@metafoo.de, ludovic.tancerel@maplehightech.com, tduszyns@gmail.com, akinobu.mita@gmail.com, daniel.baluta@intel.com, k.kozlowski@samsung.com, afd@ti.com, broonie@kernel.org, linux-iio@vger.kernel.org, linux-kernel@vger.kernel.org, lucas.demarchi@intel.com |
| X-Original-Date | Tue, 26 Jan 2016 17:49:07 +0200 |
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| Xref | csiph.com linux.kernel:1318084 |
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This allows data exported via buffer interface to be converted
to standard units in userspace.
Signed-off-by: Daniel Baluta <daniel.baluta@intel.com>
---
drivers/iio/pressure/ms5611_core.c | 18 ++++++++++++++++--
1 file changed, 16 insertions(+), 2 deletions(-)
diff --git a/drivers/iio/pressure/ms5611_core.c b/drivers/iio/pressure/ms5611_core.c
index 2f3d9b4..6cf0e55 100644
--- a/drivers/iio/pressure/ms5611_core.c
+++ b/drivers/iio/pressure/ms5611_core.c
@@ -201,6 +201,18 @@ static int ms5611_read_raw(struct iio_dev *indio_dev,
default:
return -EINVAL;
}
+ case IIO_CHAN_INFO_SCALE:
+ switch (chan->type) {
+ case IIO_TEMP:
+ *val = 10;
+ return IIO_VAL_INT;
+ case IIO_PRESSURE:
+ *val = 0;
+ *val2 = 1000;
+ return IIO_VAL_INT_PLUS_MICRO;
+ default:
+ return -EINVAL;
+ }
}
return -EINVAL;
@@ -218,11 +230,13 @@ static struct ms5611_chip_info chip_info_tbl[] = {
static const struct iio_chan_spec ms5611_channels[] = {
{
.type = IIO_PRESSURE,
- .info_mask_separate = BIT(IIO_CHAN_INFO_PROCESSED),
+ .info_mask_separate = BIT(IIO_CHAN_INFO_PROCESSED) |
+ BIT(IIO_CHAN_INFO_SCALE),
},
{
.type = IIO_TEMP,
- .info_mask_separate = BIT(IIO_CHAN_INFO_PROCESSED),
+ .info_mask_separate = BIT(IIO_CHAN_INFO_PROCESSED) |
+ BIT(IIO_CHAN_INFO_SCALE),
}
};
--
2.5.0
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[PATCH 0/2] ms5611: Add triggered buffer support Daniel Baluta <daniel.baluta@intel.com> - 2016-01-26 16:50 +0100 [PATCH 2/2] iio: pressure: ms5611: Add triggered buffer support Daniel Baluta <daniel.baluta@intel.com> - 2016-01-26 16:50 +0100 [PATCH 1/2] iio: pressure: ms5611: Add IIO_CHAN_INFO_SCALE to mask Daniel Baluta <daniel.baluta@intel.com> - 2016-01-26 16:50 +0100
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