The patch below does not apply to the 4.1-stable tree.
If someone wants it applied there, or to any other stable or longterm
tree, then please email the backport, including the original git commit
id to <stable@xxxxxxxxxxxxxxx>.
thanks,
greg k-h
------------------ original commit in Linus's tree ------------------
>From c5d0db0690ff0a963dc082e7645268c466bf9a84 Mon Sep 17 00:00:00 2001
From: Martin Kepplinger <martink@xxxxxxxxx>
Date: Sun, 5 Jul 2015 19:50:18 +0200
Subject: [PATCH] iio: mma8452: use iio event type IIO_EV_TYPE_MAG
IIO_EV_TYPE_THRESH in rising direction describes an event where the
threshold is crossed in rising direction, positive or negative values
being possible. This is not the case here.
Since the threshold is no signed value and only the magnitude is compared,
IIO_EV_TYPE_MAG is what describes the behaviour of these devices, see the
sysfs-bus-iio ABI Documentation.
Signed-off-by: Martin Kepplinger <martin.kepplinger@xxxxxxxxxxxxxxxxxxxxx>
Signed-off-by: Christoph Muellner <christoph.muellner@xxxxxxxxxxxxxxxxxxxxx>
Cc: <Stable@xxxxxxxxxxxxxxx>
Signed-off-by: Jonathan Cameron <jic23@xxxxxxxxxx>
diff --git a/drivers/iio/accel/mma8452.c b/drivers/iio/accel/mma8452.c
index e8e2077c7244..13ea1ea23328 100644
--- a/drivers/iio/accel/mma8452.c
+++ b/drivers/iio/accel/mma8452.c
@@ -557,21 +557,21 @@ static void mma8452_transient_interrupt(struct iio_dev *indio_dev)
if (src & MMA8452_TRANSIENT_SRC_XTRANSE)
iio_push_event(indio_dev,
IIO_MOD_EVENT_CODE(IIO_ACCEL, 0, IIO_MOD_X,
- IIO_EV_TYPE_THRESH,
+ IIO_EV_TYPE_MAG,
IIO_EV_DIR_RISING),
ts);
if (src & MMA8452_TRANSIENT_SRC_YTRANSE)
iio_push_event(indio_dev,
IIO_MOD_EVENT_CODE(IIO_ACCEL, 0, IIO_MOD_Y,
- IIO_EV_TYPE_THRESH,
+ IIO_EV_TYPE_MAG,
IIO_EV_DIR_RISING),
ts);
if (src & MMA8452_TRANSIENT_SRC_ZTRANSE)
iio_push_event(indio_dev,
IIO_MOD_EVENT_CODE(IIO_ACCEL, 0, IIO_MOD_Z,
- IIO_EV_TYPE_THRESH,
+ IIO_EV_TYPE_MAG,
IIO_EV_DIR_RISING),
ts);
}
@@ -644,7 +644,7 @@ static int mma8452_reg_access_dbg(struct iio_dev *indio_dev,
static const struct iio_event_spec mma8452_transient_event[] = {
{
- .type = IIO_EV_TYPE_THRESH,
+ .type = IIO_EV_TYPE_MAG,
.dir = IIO_EV_DIR_RISING,
.mask_separate = BIT(IIO_EV_INFO_ENABLE),
.mask_shared_by_type = BIT(IIO_EV_INFO_VALUE) |
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