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platform/x86: asus-wmi: Document the egpu_enable sysfs attribute

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The egpu_enable attribute was not documented, this adds the
required documentation.

Fixes: 382b91db80 ("asus-wmi: Add egpu enable method")
Signed-off-by: Luke D. Jones <luke@ljones.dev>
Link: https://lore.kernel.org/r/20220812222509.292692-3-luke@ljones.dev
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
This commit is contained in:
Luke D. Jones 2022-08-13 10:25:05 +12:00 committed by Hans de Goede
parent 7e64c486e8
commit 3206376f09
1 changed files with 11 additions and 0 deletions
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Documentation/ABI/testing/sysfs-platform-asus-wmi
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@ -66,3 +66,14 @@ Description:
Disable discrete GPU:
* 0 - Enable dGPU,
* 1 - Disable dGPU
What: /sys/devices/platform/<platform>/egpu_enable
Date: Aug 2022
KernelVersion: 5.17
Contact: "Luke Jones" <luke@ljones.dev>
Description:
Enable the external GPU paired with ROG X-Flow laptops.
Toggling this setting will also trigger ACPI to disable the dGPU:
* 0 - Disable,
* 1 - Enable