** Description changed:
[Impact]
When amd-sfh is loaded the sensors connected do not change values at all
(ALS sensor).
+ Here is the monitor sensors output, which doesn't change.
- Here is the monitor sensors output, which doesn't change.
-
- $ sudo monitor-sensor
+ $ sudo monitor-sensor
Waiting for iio-sensor-proxy to appear
- +++ iio-sensor-proxy appeared
- === No accelerometer
- === Has ambient light sensor (value: 0.000000, unit: lux)
+ +++ iio-sensor-proxy appeared
+ === No accelerometer
+ === Has ambient light sensor (value: 0.000000, unit: lux)
[Fix]
+ The SRU contains two fixes:
+ 1. increasing sensor command timeout from from 800000 to 1600000.
+ 2. using first valid 15 bits only ALS max illuminance values.
+
+
[Test]
+ This is requested by AMD. This was also verified by an AMD's engineer
+ on CRB.
+
[Where problems could occur]
+
+ Low. The patches only increase timeout value and discard an invalid
+ bit.
--
You received this bug notification because you are a member of Kernel
Packages, which is subscribed to linux-oem-5.14 in Ubuntu.
https://bugs.launchpad.net/bugs/1961120
Title:
SFH sensors are not working on some AMD platforms
Status in HWE Next:
In Progress
Status in linux-oem-5.14 package in Ubuntu:
New
Status in linux-oem-5.14 source package in Focal:
New
Bug description:
[Impact]
When amd-sfh is loaded the sensors connected do not change values at
all (ALS sensor).
Here is the monitor sensors output, which doesn't change.
$ sudo monitor-sensor
Waiting for iio-sensor-proxy to appear
+++ iio-sensor-proxy appeared
=== No accelerometer
=== Has ambient light sensor (value: 0.000000, unit: lux)
[Fix]
The SRU contains two fixes:
1. increasing sensor command timeout from from 800000 to 1600000.
2. using first valid 15 bits only ALS max illuminance values.
[Test]
This is requested by AMD. This was also verified by an AMD's
engineer on CRB.
[Where problems could occur]
Low. The patches only increase timeout value and discard an invalid
bit.
To manage notifications about this bug go to:
https://bugs.launchpad.net/hwe-next/+bug/1961120/+subscriptions
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