Upload focal iio-sensor-proxy_2.8-1ubuntu1.debdiff.
** Changed in: oem-priority
Assignee: (unassigned) => Kai-Chuan Hsieh (kchsieh)
** Patch added: "iio-sensor-proxy_2.8-1ubuntu1.debdiff"
https://bugs.launchpad.net/ubuntu/+source/iio-sensor-proxy/+bug/1926280/+attachment/5492759/+files/iio-sensor-proxy_2.8-1ubuntu1.debdiff
** Description changed:
[Impact]
* Some Dell machine support ALS (ambient light sensor) will lost function
after suspend/resume
It originally only report iio-buffer-als by udev rule, but the buffer no
longer update after
suspend/resume, the issue can be eliminated by polling in_illuminance_raw
node.
[Test Plan]
* Boot a machine with ALS support, and check it by
$ cat /sys/bus/iio/devices/iio:device*/name => see if it contains name als
* do suspend/stress by
$ sudo -s
# for i in `seq 20`; do sleep 5; rtcwake -m mem -s 10; done
* run monitor-sensor and cover your hand on the light sensor
$ monitor-sensor
* if the als function lost, there should be no update of the ambient light
sensor anymore
[Where problems could occur]
* The change add in_illuminance_raw check and add iio-poll-als
IIO_SENSOR_PROXY_TYPE for it.
* It will keep original IIO_SENSOR_PROXY_TYPE and multiple
IIO_SENSOR_PROXY_TYPE support, so risk is low for other hardware.
[Other Info]
- * The change is from which has been in groovy and hirsute.
+ * The changes from upstream are in groovy and hirsute already.
https://gitlab.freedesktop.org/hadess/iio-sensor-proxy/-/commit/eb8fde8fd246ea6c30a8d4a29d6061b42f7012f2
https://gitlab.freedesktop.org/hadess/iio-sensor-proxy/-/commit/de1e1ea35aea81a4b5c22cb2458e9686911fb383
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https://bugs.launchpad.net/bugs/1926280
Title:
ALS function lost after suspend/resume
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