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iio: proximity: as3935: correct IIO_CHAN_INFO_RAW output

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IIO_CHAN_INFO_RAW was returning processed data which was incorrect.
This also adds the IIO_CHAN_INFO_SCALE value to convert to a processed value.

Signed-off-by: Matt Ranostay <mranostay@gmail.com>
Cc: <Stable@vger.kernel.org>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
This commit is contained in:
Matt Ranostay 2016-05-21 20:01:01 -07:00 committed by Jonathan Cameron
parent 14f2461b82
commit 5138806f16
2 changed files with 9 additions and 3 deletions
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2
Documentation/ABI/testing/sysfs-bus-iio-proximity-as3935
View File

@ -1,4 +1,4 @@
What /sys/bus/iio/devices/iio:deviceX/in_proximity_raw
What /sys/bus/iio/devices/iio:deviceX/in_proximity_input
Date: March 2014
KernelVersion: 3.15
Contact: Matt Ranostay <mranostay@gmail.com>

10
drivers/iio/proximity/as3935.c
View File

@ -72,7 +72,8 @@ static const struct iio_chan_spec as3935_channels[] = {
.type = IIO_PROXIMITY,
.info_mask_separate =
BIT(IIO_CHAN_INFO_RAW) |
BIT(IIO_CHAN_INFO_PROCESSED),
BIT(IIO_CHAN_INFO_PROCESSED) |
BIT(IIO_CHAN_INFO_SCALE),
.scan_index = 0,
.scan_type = {
.sign = 'u',
@ -181,7 +182,12 @@ static int as3935_read_raw(struct iio_dev *indio_dev,
/* storm out of range */
if (*val == AS3935_DATA_MASK)
return -EINVAL;
*val *= 1000;
if (m == IIO_CHAN_INFO_PROCESSED)
*val *= 1000;
break;
case IIO_CHAN_INFO_SCALE:
*val = 1000;
break;
default:
return -EINVAL;