zephyr: Improve help text for ACPI support
Expand on the help text for the CONFIG_PLATFORM_EC_ACPI option.
BRANCH=none
TEST=zmake testall
@@ -50,11 +50,23 @@ rsource "Kconfig.usbc"
# Please keep these in alphabetical order
config PLATFORM_EC_ACPI
- bool "Enable the ACPI module"
+ bool "Advanced Confiugration and Power Interface (ACPI)"
default y if AP_X86 && PLATFORM_EC_ESPI
help
- Enable shimming the ACPI handler, which will handle the Host data from
- the ACPI I/O port for X86 AP.
+ Enable the Advanced Configuration and Power Interface (ACPI) in the
+ EC. ACPI is a standard interface to the Application Processor (AP)
+ that abstracts the hardware specific details for controlling and
+ managing the board.
+
+ This includes interfaces for monitoring or controlling features,
+ including:
+ keyboard backlight
+ fan speed
+ temperature sensors
+ charging properties
+ device orientation (tablet or laptop mode)
+
+ https://uefi.org/sites/default/files/resources/ACPI_Spec_6_4_Jan22.pdf
config PLATFORM_EC_BACKLIGHT_LID
bool "Control the display backlight based on the lid switch"
