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authorArnaud Patard <apatard@mandriva.com>2006-04-27 05:25:00 -0400
committerLen Brown <len.brown@intel.com>2006-06-15 23:16:05 -0400
commit872d83d00f67021e036d75aab3b7c6e3fc7e29ee (patch)
tree54d3940f3de7f97f3773973acdfd0a48d10a796d /drivers/acpi/sleep/main.c
parentd8c3291c73b958243b33f8509d4507e76dafd055 (diff)
ACPI: suppress power button event on S3 resume
http://bugzilla.kernel.org/show_bug.cgi?id=6612 Note that this fix depends on a fix in ACPICA 20060608 to replace a semaphore with a spin-lock. Signed-off-by: Arnaud Patard <apatard@mandriva.com> Acked-by: "Yu, Luming" <luming.yu@intel.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Len Brown <len.brown@intel.com>
Diffstat (limited to 'drivers/acpi/sleep/main.c')
-rw-r--r--drivers/acpi/sleep/main.c8
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/acpi/sleep/main.c b/drivers/acpi/sleep/main.c
index 930427fc0c4b..62ce87d71651 100644
--- a/drivers/acpi/sleep/main.c
+++ b/drivers/acpi/sleep/main.c
@@ -105,6 +105,14 @@ static int acpi_pm_enter(suspend_state_t pm_state)
105 default: 105 default:
106 return -EINVAL; 106 return -EINVAL;
107 } 107 }
108
109 /* ACPI 3.0 specs (P62) says that it's the responsabilty
110 * of the OSPM to clear the status bit [ implying that the
111 * POWER_BUTTON event should not reach userspace ]
112 */
113 if (ACPI_SUCCESS(status) && (acpi_state == ACPI_STATE_S3))
114 acpi_clear_event(ACPI_EVENT_POWER_BUTTON);
115
108 local_irq_restore(flags); 116 local_irq_restore(flags);
109 printk(KERN_DEBUG "Back to C!\n"); 117 printk(KERN_DEBUG "Back to C!\n");
110 118