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authorLin Ming <ming.m.lin@intel.com>2012-03-21 10:01:49 +0800
committerLen Brown <len.brown@intel.com>2012-03-26 21:16:25 -0400
commit8a73b17e4c0e09cb5b80deee5451e29b830df4cc (patch)
tree292f555ca2aa42b4b4d756aca01a53b65df60970 /include/acpi/acpixf.h
parent4acb6884b5568f19bd47173cba8bc1f2289d6baa (diff)
downloadlinux-8a73b17e4c0e09cb5b80deee5451e29b830df4cc.tar.bz2
ACPICA: Sleep/Wake interfaces: optionally execute _GTS and _BFS
Enhanced the sleep/wake interfaces to optionally execute the _GTS method (Going To Sleep), and the _BFS method (Back From Sleep). Windows apparently does not execute these methods, and therefore these methods are often untested. It has been seen on some systems where the execution of these methods causes errors and also prevents the machine from entering S5. It is therefore suggested that host operating systems do not execute these methods by default. In the future, perhaps these methods can be optionally executed based on the age of the system and/or what is the newest version of Windows that the BIOS asks for via _OSI. Signed-off-by: Lin Ming <ming.m.lin@intel.com> Signed-off-by: Bob Moore <robert.moore@intel.com> Signed-off-by: Len Brown <len.brown@intel.com>
Diffstat (limited to 'include/acpi/acpixf.h')
-rw-r--r--include/acpi/acpixf.h4
1 files changed, 2 insertions, 2 deletions
diff --git a/include/acpi/acpixf.h b/include/acpi/acpixf.h
index fb8a238115d6..488c986ebe44 100644
--- a/include/acpi/acpixf.h
+++ b/include/acpi/acpixf.h
@@ -486,11 +486,11 @@ acpi_get_sleep_type_data(u8 sleep_state, u8 * slp_typ_a, u8 * slp_typ_b);
acpi_status acpi_enter_sleep_state_prep(u8 sleep_state);
-acpi_status asmlinkage acpi_enter_sleep_state(u8 sleep_state);
+acpi_status asmlinkage acpi_enter_sleep_state(u8 sleep_state, u8 flags);
ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status asmlinkage acpi_enter_sleep_state_s4bios(void))
-acpi_status acpi_leave_sleep_state_prep(u8 sleep_state);
+acpi_status acpi_leave_sleep_state_prep(u8 sleep_state, u8 flags);
acpi_status acpi_leave_sleep_state(u8 sleep_state);