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[John Chittum <2115041@xxxxxxxxxxxxxxxxxx>]

Subscribed ubuntu-sponsors. This will normally happen automatically if
the attached file is `.patch`. This is `.debdiff`.

> On machine supports ACPI platform profile

kchsieh -- are you good to provide the testing, and let us know what
this has been tested on.

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https://bugs.launchpad.net/bugs/2115041

Title:
  Can't recognize custom ACPI platform profile

Status in OEM Priority Project:
  New
Status in power-profiles-daemon package in Ubuntu:
  In Progress

Bug description:
  [ Impact ]

   * Changing the Power Mode from PPD (Perfomance/Balance/Power Saver),
  the USTT(User Selectable Thermal Table) setting will also be changed.
  Add the feature to support Power Mode and ACPI platform profile
  sychornization.

  The mapping relationship PPD to platform profile:
  performance <-> performance
  balanced <-> balanced/balanced_performance/cool
  power saver <-> low-power/quiet

  [ Test Plan ]

   * On machine supports ACPI platform profile, which has sysfs node
  /sys/firmware/acpi/platform_profile

   * Change the platform profile in the BIOS

   * Boot into Ubuntu desktop and open PPD

   * The settings would be updated against the mapping

   * Try to modify power mode in PPD

   * Check if BIOS update the platform profile accordingly

  [ Where problems could occur ]

   * The change tries to categorize of different strings defined in platform_profile driver
     If the PPD working on the platform output unexpected platform_profile string the PPD won't adjust the power mode correctly.

  [ Other Info ]

   * Upstream commit: https://gitlab.freedesktop.org/upower/power-
  profiles-daemon/-/commit/6b565b0b05a2bc92e3c546a567b394f415937265

   * The patch is in 25.04 and 25.10 already.

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