This is a note to let you know that I've just added the patch titled
iio: orientation: hid-sensor-rotation: Add PM function (fix non working driver)
to the 4.4-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
iio-orientation-hid-sensor-rotation-add-pm-function-fix-non-working-driver.patch
and it can be found in the queue-4.4 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
>From 8af644a7d6846f48d6b72be5d4a3c6eb16bd33c8 Mon Sep 17 00:00:00 2001
From: Song Hongyan <hongyan.song@xxxxxxxxx>
Date: Tue, 25 Oct 2016 01:06:03 +0000
Subject: iio: orientation: hid-sensor-rotation: Add PM function (fix non working driver)
From: Song Hongyan <hongyan.song@xxxxxxxxx>
commit 8af644a7d6846f48d6b72be5d4a3c6eb16bd33c8 upstream.
This fix makes newer ISH hubs work. Previous ones worked by lucky
coincidence.
Rotation sensor function does not work due to miss PM function.
Add common hid sensor iio pm function for rotation sensor.
Further clarification from Srinivas:
If CONFIG_PM is not defined, then this prevents this sensor to
function. So above commit caused this.
This sensor was supposed to be always on to trigger wake up in prior
external hubs. But with the new ISH hub this is not the case.
Signed-off-by: Song Hongyan <hongyan.song@xxxxxxxxx>
Fixes: 2b89635e9a9e ("iio: hid_sensor_hub: Common PM functions")
Signed-off-by: Jonathan Cameron <jic23@xxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/iio/orientation/hid-sensor-rotation.c | 1 +
1 file changed, 1 insertion(+)
--- a/drivers/iio/orientation/hid-sensor-rotation.c
+++ b/drivers/iio/orientation/hid-sensor-rotation.c
@@ -335,6 +335,7 @@ static struct platform_driver hid_dev_ro
.id_table = hid_dev_rot_ids,
.driver = {
.name = KBUILD_MODNAME,
+ .pm = &hid_sensor_pm_ops,
},
.probe = hid_dev_rot_probe,
.remove = hid_dev_rot_remove,
Patches currently in stable-queue which might be from hongyan.song@xxxxxxxxx are
queue-4.4/iio-hid-sensors-increase-the-precision-of-scale-to-fix-wrong-reading-interpretation.patch
queue-4.4/iio-orientation-hid-sensor-rotation-add-pm-function-fix-non-working-driver.patch
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