https://bugzilla.kernel.org/show_bug.cgi?id=209073
Bug ID: 209073
Summary: RedmiBook 16 does not provide deep (S3) sleep state
Product: ACPI
Version: 2.5
Kernel Version: 5.8.5
Hardware: All
OS: Linux
Tree: Mainline
Status: NEW
Severity: normal
Priority: P1
Component: Power-Sleep-Wake
Assignee: acpi_power-sleep-w...@kernel-bugs.osdl.org
Reporter: ras...@moorats.ee
Regression: No
Created attachment 292221
--> https://bugzilla.kernel.org/attachment.cgi?id=292221&action=edit
ACPI tables
In Linux, S3 sleep state seems to be unavailable for RedmiBook 16.
$ cat /sys/power/mem_sleep
[s2idle]
What's strange is that the Kernel seems to detect 3 states when booting.
$ dmesg | grep "idle state"
[ 0.694581] ACPI: \_SB_.PLTF.C000: Found 3 idle states
[ 0.694859] ACPI: \_SB_.PLTF.C001: Found 3 idle states
[ 0.695178] ACPI: \_SB_.PLTF.C002: Found 3 idle states
[ 0.695355] ACPI: \_SB_.PLTF.C003: Found 3 idle states
[ 0.695509] ACPI: \_SB_.PLTF.C004: Found 3 idle states
[ 0.695658] ACPI: \_SB_.PLTF.C005: Found 3 idle states
[ 0.695809] ACPI: \_SB_.PLTF.C006: Found 3 idle states
[ 0.695959] ACPI: \_SB_.PLTF.C007: Found 3 idle states
Deep sleep seems to work in Windows which seems to suggest it's simply a case
of lack of Linux support.
I've attached a dump of this device's ACPI tables and can provide logs and
other dumps as needed.
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