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docs: sysctl/kernel: document acpi_video_flags 

Based on the implementation in arch/x86/kernel/acpi/sleep.c, in
particular the acpi_sleep_setup() function.

Signed-off-by: Stephen Kitt <steve@sk2.org>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
This commit is contained in:
Stephen Kitt 2020-02-21 17:55:02 +01:00 committed by Jonathan Corbet
parent 2f5ab6225f
commit 2bd49cb581
1 changed files with 9 additions and 2 deletions
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Documentation/admin-guide/sysctl/kernel.rst
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@ -51,8 +51,15 @@ free space valid for 30 seconds.
acpi_video_flags
================
See Documentation/kernel/power/video.txt, it allows mode of video boot
to be set during run time.
See :doc:`/power/video`. This allows the video resume mode to be set,
in a similar fashion to the ``acpi_sleep`` kernel parameter, by
combining the following values:
= =======
1 s3_bios
2 s3_mode
4 s3_beep
= =======
auto_msgmni