Merge branches 'acpi-button', 'acpica' and 'acpi-sysfs'

[sfrench/cifs-2.6.git] / drivers / acpi / button.c

diff --git a/drivers/acpi/button.c b/drivers/acpi/button.c
index b7c2a06963d6fb79cb5f5aaa2576936d17d5088f..9ad8cdb58743b765a6daa615729d78745d70af30 100644 (file)
--- 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: