From: Guillem Jover <guillem.jover@nokia.com>
Date: Tue, 28 Oct 2008 05:34:27 +0000 (-0400)
Subject: ACPI: Always report a sync event after a lid state change
X-Git-Tag: v2.6.26.8~15
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=a5069282922b9ce9b1db1b3a196ef6df958d95d5;p=thirdparty%2Fkernel%2Fstable.git

ACPI: Always report a sync event after a lid state change

upstream commit df316e939100e789b3c5d4d102619ccf5834bd00

Currently not always an EV_SYN event is reported to userland
after the EV_SW SW_LID event has been sent. This is easy to verify
by using “input-events” from input-utils and just closing and opening
the lid.

Signed-off-by: Guillem Jover <guillem.jover@nokia.com>
Acked-by: Dmitry Torokhov <dtor@mail.ru>
Signed-off-by: Len Brown <len.brown@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---

diff --git a/drivers/acpi/button.c b/drivers/acpi/button.c
index 1dfec413588ca..59352d9dfb3cb 100644
--- a/drivers/acpi/button.c
+++ b/drivers/acpi/button.c
@@ -262,6 +262,7 @@ static int acpi_lid_send_state(struct acpi_button *button)
 		return -ENODEV;
 	/* input layer checks if event is redundant */
 	input_report_switch(button->input, SW_LID, !state);
+	input_sync(button->input);
 	return 0;
 }
 
@@ -285,8 +286,8 @@ static void acpi_button_notify(acpi_handle handle, u32 event, void *data)
 			input_report_key(input, keycode, 1);
 			input_sync(input);
 			input_report_key(input, keycode, 0);
+			input_sync(input);
 		}
-		input_sync(input);
 
 		acpi_bus_generate_proc_event(button->device, event,
 					++button->pushed);