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PM: Optional beeping during resume from suspend to RAM

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Add a feature allowing the user to make the system beep during a resume from
suspend to RAM, on x86_64 and i386.

This is useful for the users with broken resume from RAM, so that they can
verify if the control reaches the kernel after a wake-up event.

Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Nigel Cunningham
2007-07-19 01:47:41 -07:00
committed by Linus Torvalds
parent bd804eba1c
commit 5a60d6235c
4 changed files with 76 additions and 0 deletions
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include/linux/acpi.h
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@@ -123,6 +123,7 @@ extern int pci_mmcfg_config_num;
extern int sbf_port;
extern unsigned long acpi_video_flags;
extern unsigned long s2ram_beep;
#else /* !CONFIG_ACPI */