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-- You received this bug notification because you are a member of Desktop Packages, which is subscribed to iio-sensor-proxy in Ubuntu. https://bugs.launchpad.net/bugs/1926280 Title: ALS function lost after suspend/resume Status in OEM Priority Project: New Status in iio-sensor-proxy package in Ubuntu: Fix Released Status in iio-sensor-proxy source package in Focal: Fix Released Bug description: [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 to IIO_SENSOR_PROXY_TYPE for sensor using raw value. * It will keep original IIO_SENSOR_PROXY_TYPE and multiple IIO_SENSOR_PROXY_TYPE support, so risk is low for other hardware. * Checking on working hardware and run $ monitor-sensor it should keep popping Light changed event no matter what operations, close lid, suspend/resume, reboot...etc. [Other Info] * The change is from upstream which has been in groovy and hirsute. https://gitlab.freedesktop.org/hadess/iio-sensor-proxy/-/commit/eb8fde8fd246ea6c30a8d4a29d6061b42f7012f2 https://gitlab.freedesktop.org/hadess/iio-sensor-proxy/-/commit/de1e1ea35aea81a4b5c22cb2458e9686911fb383 To manage notifications about this bug go to: https://bugs.launchpad.net/oem-priority/+bug/1926280/+subscriptions -- Mailing list: https://launchpad.net/~desktop-packages Post to : desktop-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~desktop-packages More help : https://help.launchpad.net/ListHelp
