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author | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2008-02-07 09:45:58 -0800 |
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committer | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2008-02-07 09:45:58 -0800 |
commit | f0f1b3364ae7f48084bdf2837fb979ff59622523 (patch) | |
tree | e5ef68c0071f44178cc8d1948b64e216d57422aa /drivers/acpi/bus.c | |
parent | 4383f18b7f94a4d668c5eec68645c75d44556235 (diff) | |
parent | b7143156c9ceee1a072c57aac8729d2dec5b3bf1 (diff) | |
download | kernel_samsung_tuna-f0f1b3364ae7f48084bdf2837fb979ff59622523.zip kernel_samsung_tuna-f0f1b3364ae7f48084bdf2837fb979ff59622523.tar.gz kernel_samsung_tuna-f0f1b3364ae7f48084bdf2837fb979ff59622523.tar.bz2 |
Merge branch 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux-acpi-2.6
* 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux-acpi-2.6: (112 commits)
ACPI: fix build warning
Revert "cpuidle: build fix for non-x86"
ACPI: update intrd DSDT override console messages
ACPI: update DSDT override documentation
ACPI: Add "acpi_no_initrd_override" kernel parameter
ACPI: its a directory not a folder....
ACPI: misc cleanups
ACPI: add missing prink prefix strings
ACPI: cleanup acpi.h
ACPICA: fix CONFIG_ACPI_DEBUG_FUNC_TRACE build
ACPI: video: Ignore ACPI video devices that aren't present in hardware
ACPI: video: reset brightness on resume
ACPI: video: call ACPI notifier chain for ACPI video notifications
ACPI: create notifier chain to get hotkey events to graphics driver
ACPI: video: delete unused display switch on hotkey event code
ACPI: video: create "brightness_switch_enabled" modparam
cpuidle: Add a poll_idle method
ACPI: cpuidle: Support C1 idle time accounting
ACPI: enable MWAIT for C1 idle
ACPI: idle: Fix acpi_safe_halt usages and interrupt enabling/disabling
...
Diffstat (limited to 'drivers/acpi/bus.c')
-rw-r--r-- | drivers/acpi/bus.c | 26 |
1 files changed, 25 insertions, 1 deletions
diff --git a/drivers/acpi/bus.c b/drivers/acpi/bus.c index 1b4cf98..8b0d4b7 100644 --- a/drivers/acpi/bus.c +++ b/drivers/acpi/bus.c @@ -122,6 +122,31 @@ int acpi_bus_get_status(struct acpi_device *device) EXPORT_SYMBOL(acpi_bus_get_status); +void acpi_bus_private_data_handler(acpi_handle handle, + u32 function, void *context) +{ + return; +} +EXPORT_SYMBOL(acpi_bus_private_data_handler); + +int acpi_bus_get_private_data(acpi_handle handle, void **data) +{ + acpi_status status = AE_OK; + + if (!*data) + return -EINVAL; + + status = acpi_get_data(handle, acpi_bus_private_data_handler, data); + if (ACPI_FAILURE(status) || !*data) { + ACPI_DEBUG_PRINT((ACPI_DB_INFO, "No context for object [%p]\n", + handle)); + return -ENODEV; + } + + return 0; +} +EXPORT_SYMBOL(acpi_bus_get_private_data); + /* -------------------------------------------------------------------------- Power Management -------------------------------------------------------------------------- */ @@ -366,7 +391,6 @@ int acpi_bus_receive_event(struct acpi_bus_event *event) return 0; } -EXPORT_SYMBOL(acpi_bus_receive_event); #endif /* CONFIG_ACPI_PROC_EVENT */ /* -------------------------------------------------------------------------- |