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authorMatt Ranostay <mranostay@gmail.com>2016-05-21 20:01:01 -0700
committerSasha Levin <alexander.levin@verizon.com>2016-08-19 23:08:41 -0400
commite2a296e94cabe8f39420bec1936d9ef146c3dcee (patch)
treed4d8b00b5cb8220a1c05a41f590dfe448674a3d6 /drivers
parentf247adf96f98a21b130a5844435a36f917c2a98a (diff)
iio: proximity: as3935: correct IIO_CHAN_INFO_RAW output
[ Upstream commit 5138806f16c74c7cb8ac3e408a859c79eb7c9567 ] 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> Signed-off-by: Sasha Levin <alexander.levin@verizon.com>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/iio/proximity/as3935.c10
1 files changed, 8 insertions, 2 deletions
diff --git a/drivers/iio/proximity/as3935.c b/drivers/iio/proximity/as3935.c
index bc0d68efd455..eed2fb0813fd 100644
--- a/drivers/iio/proximity/as3935.c
+++ b/drivers/iio/proximity/as3935.c
@@ -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;