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ACPI: docs: Update the pm_profile sysfs attribute documentation

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The list of possible pm_profile values listed in sysfs-acpi-pmprofile
does not include the tablet one (8), so update it.

While at it, rewrite the description so it is more accurate and somewhat
easier to follow.

Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
This commit is contained in:
Rafael J. Wysocki 2023-03-02 18:49:12 +01:00
parent e8d018dd02
commit 55f4f6ead4
1 changed files with 11 additions and 9 deletions
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20
Documentation/ABI/stable/sysfs-acpi-pmprofile
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@ -2,16 +2,17 @@ What: /sys/firmware/acpi/pm_profile
Date: 03-Nov-2011
KernelVersion: v3.2
Contact: linux-acpi@vger.kernel.org
Description: The ACPI pm_profile sysfs interface exports the platform
power management (and performance) requirement expectations
as provided by BIOS. The integer value is directly passed as
retrieved from the FADT ACPI table.
Description: The ACPI pm_profile sysfs interface exposes the preferred
power management (and performance) profile of the platform
as provided in the ACPI FADT Preferred_PM_Profile field.
Values: For possible values see ACPI specification:
5.2.9 Fixed ACPI Description Table (FADT)
Field: Preferred_PM_Profile
The integer value is directly passed as retrieved from the FADT.
Currently these values are defined by spec:
Values: For the possible values refer to the Preferred_PM_Profile field
definition in Table 5.9 "FADT Format", Section 5.2.9 "Fixed ACPI
Description Table (FADT)" of the ACPI specification.
As of ACPI 6.5, the following values are defined:
== =================
0 Unspecified
@ -22,5 +23,6 @@ Values: For possible values see ACPI specification:
5 SOHO Server
6 Appliance PC
7 Performance Server
>7 Reserved
8 Tablet
>8 Reserved
== =================