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authorJiang Liu <jiang.liu@huawei.com>2013-06-28 20:24:39 +0400
committerRafael J. Wysocki <rafael.j.wysocki@intel.com>2013-07-15 03:33:10 +0400
commit0db98202605c3d32e023d43c30b5bd878f520976 (patch)
tree7aec122f45db5c6b6c2f046ccf1eb9fa160fb616 /drivers/acpi/sleep.c
parent952c63e9512b63220886105cfc791507046fa39a (diff)
downloadlinux-0db98202605c3d32e023d43c30b5bd878f520976.tar.xz
ACPI: introduce helper function acpi_execute_simple_method()
Introduce helper function acpi_execute_simple_method() and use it in a number of places to simplify code. [rjw: Changelog] Signed-off-by: Jiang Liu <jiang.liu@huawei.com> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Diffstat (limited to 'drivers/acpi/sleep.c')
-rw-r--r--drivers/acpi/sleep.c7
1 files changed, 2 insertions, 5 deletions
diff --git a/drivers/acpi/sleep.c b/drivers/acpi/sleep.c
index 187ab61889e6..81b0f03d97db 100644
--- a/drivers/acpi/sleep.c
+++ b/drivers/acpi/sleep.c
@@ -31,12 +31,9 @@ static u8 sleep_states[ACPI_S_STATE_COUNT];
static void acpi_sleep_tts_switch(u32 acpi_state)
{
- union acpi_object in_arg = { ACPI_TYPE_INTEGER };
- struct acpi_object_list arg_list = { 1, &in_arg };
- acpi_status status = AE_OK;
+ acpi_status status;
- in_arg.integer.value = acpi_state;
- status = acpi_evaluate_object(NULL, "\\_TTS", &arg_list, NULL);
+ status = acpi_execute_simple_method(NULL, "\\_TTS", acpi_state);
if (ACPI_FAILURE(status) && status != AE_NOT_FOUND) {
/*
* OS can't evaluate the _TTS object correctly. Some warning