diff options
| author | Shaohua Li <shaohua.li@intel.com> | 2009-10-29 11:04:28 +0800 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@suse.de> | 2010-02-09 04:50:44 -0800 |
| commit | e62a96c8317c306d81ba5c690bf8f1be10e6cad9 (patch) | |
| tree | 200dfda5d18b83f2c0d38f1f781cfc5ac85528b5 /include | |
| parent | 1e8896049716fd580718bb9431c2ad3bddd114d7 (diff) | |
ACPI: Add a generic API for _OSC -v2
commit 70023de88c58a81a730ab4d13c51a30e537ec76e upstream.
v2->v1:
.improve debug info as suggedted by Bjorn,Kenji
.API is using uuid string as suggested by Alexey
Add an API to execute _OSC. A lot of devices can have this method, so add a
generic API.
Signed-off-by: Shaohua Li <shaohua.li@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/acpi.h | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/include/linux/acpi.h b/include/linux/acpi.h index dfcd920c3e54..3247e09db20d 100644 --- a/include/linux/acpi.h +++ b/include/linux/acpi.h @@ -253,6 +253,13 @@ void __init acpi_old_suspend_ordering(void); void __init acpi_s4_no_nvs(void); #endif /* CONFIG_PM_SLEEP */ +struct acpi_osc_context { + char *uuid_str; /* uuid string */ + int rev; + struct acpi_buffer cap; /* arg2/arg3 */ + struct acpi_buffer ret; /* free by caller if success */ +}; + #define OSC_QUERY_TYPE 0 #define OSC_SUPPORT_TYPE 1 #define OSC_CONTROL_TYPE 2 @@ -265,6 +272,8 @@ void __init acpi_s4_no_nvs(void); #define OSC_INVALID_REVISION_ERROR 8 #define OSC_CAPABILITIES_MASK_ERROR 16 +acpi_status acpi_run_osc(acpi_handle handle, struct acpi_osc_context *context); + /* _OSC DW1 Definition (OS Support Fields) */ #define OSC_EXT_PCI_CONFIG_SUPPORT 1 #define OSC_ACTIVE_STATE_PWR_SUPPORT 2 |