X-Git-Url: http://git.monstr.eu/?a=blobdiff_plain;f=drivers%2Facpi%2Fbutton.c;h=9ad8cdb58743b765a6daa615729d78745d70af30;hb=60319130254084b337e02439d3b4ec301b6328bb;hp=b7c2a06963d6fb79cb5f5aaa2576936d17d5088f;hpb=23ea3f62f3f90caaa7b4bf32690c341101228cca;p=linux-2.6-microblaze.git

diff --git a/drivers/acpi/button.c b/drivers/acpi/button.c
index b7c2a06963d6..9ad8cdb58743 100644
--- a/drivers/acpi/button.c
+++ b/drivers/acpi/button.c
@@ -57,6 +57,7 @@
 
 #define ACPI_BUTTON_LID_INIT_IGNORE	0x00
 #define ACPI_BUTTON_LID_INIT_OPEN	0x01
+#define ACPI_BUTTON_LID_INIT_METHOD	0x02
 
 #define _COMPONENT		ACPI_BUTTON_COMPONENT
 ACPI_MODULE_NAME("button");
@@ -112,7 +113,7 @@ struct acpi_button {
 
 static BLOCKING_NOTIFIER_HEAD(acpi_lid_notifier);
 static struct acpi_device *lid_device;
-static u8 lid_init_state = ACPI_BUTTON_LID_INIT_OPEN;
+static u8 lid_init_state = ACPI_BUTTON_LID_INIT_METHOD;
 
 static unsigned long lid_report_interval __read_mostly = 500;
 module_param(lid_report_interval, ulong, 0644);
@@ -376,6 +377,9 @@ static void acpi_lid_initialize_state(struct acpi_device *device)
 	case ACPI_BUTTON_LID_INIT_OPEN:
 		(void)acpi_lid_notify_state(device, 1);
 		break;
+	case ACPI_BUTTON_LID_INIT_METHOD:
+		(void)acpi_lid_update_state(device);
+		break;
 	case ACPI_BUTTON_LID_INIT_IGNORE:
 	default:
 		break;
@@ -560,6 +564,9 @@ static int param_set_lid_init_state(const char *val, struct kernel_param *kp)
 	if (!strncmp(val, "open", sizeof("open") - 1)) {
 		lid_init_state = ACPI_BUTTON_LID_INIT_OPEN;
 		pr_info("Notify initial lid state as open\n");
+	} else if (!strncmp(val, "method", sizeof("method") - 1)) {
+		lid_init_state = ACPI_BUTTON_LID_INIT_METHOD;
+		pr_info("Notify initial lid state with _LID return value\n");
 	} else if (!strncmp(val, "ignore", sizeof("ignore") - 1)) {
 		lid_init_state = ACPI_BUTTON_LID_INIT_IGNORE;
 		pr_info("Do not notify initial lid state\n");
@@ -573,6 +580,8 @@ static int param_get_lid_init_state(char *buffer, struct kernel_param *kp)
 	switch (lid_init_state) {
 	case ACPI_BUTTON_LID_INIT_OPEN:
 		return sprintf(buffer, "open");
+	case ACPI_BUTTON_LID_INIT_METHOD:
+		return sprintf(buffer, "method");
 	case ACPI_BUTTON_LID_INIT_IGNORE:
 		return sprintf(buffer, "ignore");
 	default: