X-Git-Url: http://pilppa.org/gitweb/?a=blobdiff_plain;f=drivers%2Facpi%2Fbutton.c;h=6c5da83cdb6807be36db10253bd42c2c332c0402;hb=5d69a029ab13ddef5bdad69174fabafada4a87fd;hp=cb4110b50cd0f19f15b0f6c6d124861bd62a82ef;hpb=5a84d159061d914c8dd4aa372ac6e9529c2be453;p=linux-2.6-omap-h63xx.git

diff --git a/drivers/acpi/button.c b/drivers/acpi/button.c
index cb4110b50cd..6c5da83cdb6 100644
--- a/drivers/acpi/button.c
+++ b/drivers/acpi/button.c
@@ -66,17 +66,29 @@ MODULE_AUTHOR("Paul Diefenbaugh");
 MODULE_DESCRIPTION("ACPI Button Driver");
 MODULE_LICENSE("GPL");
 
+static const struct acpi_device_id button_device_ids[] = {
+	{ACPI_BUTTON_HID_LID,    0},
+	{ACPI_BUTTON_HID_SLEEP,  0},
+	{ACPI_BUTTON_HID_SLEEPF, 0},
+	{ACPI_BUTTON_HID_POWER,  0},
+	{ACPI_BUTTON_HID_POWERF, 0},
+	{"", 0},
+};
+MODULE_DEVICE_TABLE(acpi, button_device_ids);
+
 static int acpi_button_add(struct acpi_device *device);
 static int acpi_button_remove(struct acpi_device *device, int type);
+static int acpi_button_resume(struct acpi_device *device);
 static int acpi_button_info_open_fs(struct inode *inode, struct file *file);
 static int acpi_button_state_open_fs(struct inode *inode, struct file *file);
 
 static struct acpi_driver acpi_button_driver = {
 	.name = "button",
 	.class = ACPI_BUTTON_CLASS,
-	.ids = "button_power,button_sleep,PNP0C0D,PNP0C0C,PNP0C0E",
+	.ids = button_device_ids,
 	.ops = {
 		.add = acpi_button_add,
+		.resume = acpi_button_resume,
 		.remove = acpi_button_remove,
 	},
 };
@@ -243,6 +255,19 @@ static int acpi_button_remove_fs(struct acpi_device *device)
 /* --------------------------------------------------------------------------
                                 Driver Interface
    -------------------------------------------------------------------------- */
+static int acpi_lid_send_state(struct acpi_button *button)
+{
+	unsigned long state;
+	acpi_status status;
+
+	status = acpi_evaluate_integer(button->device->handle, "_LID", NULL,
+					&state);
+	if (ACPI_FAILURE(status))
+		return -ENODEV;
+	/* input layer checks if event is redundant */
+	input_report_switch(button->input, SW_LID, !state);
+	return 0;
+}
 
 static void acpi_button_notify(acpi_handle handle, u32 event, void *data)
 {
@@ -255,15 +280,8 @@ static void acpi_button_notify(acpi_handle handle, u32 event, void *data)
 	switch (event) {
 	case ACPI_BUTTON_NOTIFY_STATUS:
 		input = button->input;
-
 		if (button->type == ACPI_BUTTON_TYPE_LID) {
-			struct acpi_handle *handle = button->device->handle;
-			unsigned long state;
-
-			if (!ACPI_FAILURE(acpi_evaluate_integer(handle, "_LID",
-								NULL, &state)))
-				input_report_switch(input, SW_LID, !state);
-
+			acpi_lid_send_state(button);
 		} else {
 			int keycode = test_bit(KEY_SLEEP, input->keybit) ?
 						KEY_SLEEP : KEY_POWER;
@@ -274,7 +292,7 @@ static void acpi_button_notify(acpi_handle handle, u32 event, void *data)
 		}
 		input_sync(input);
 
-		acpi_bus_generate_event(button->device, event,
+		acpi_bus_generate_proc_event(button->device, event,
 					++button->pushed);
 		break;
 	default:
@@ -326,6 +344,17 @@ static int acpi_button_install_notify_handlers(struct acpi_button *button)
 	return ACPI_FAILURE(status) ? -ENODEV : 0;
 }
 
+static int acpi_button_resume(struct acpi_device *device)
+{
+	struct acpi_button *button;
+	if (!device)
+		return -EINVAL;
+	button = acpi_driver_data(device);
+	if (button && button->type == ACPI_BUTTON_TYPE_LID)
+		return acpi_lid_send_state(button);
+	return 0;
+}
+
 static void acpi_button_remove_notify_handlers(struct acpi_button *button)
 {
 	switch (button->type) {
@@ -420,22 +449,23 @@ static int acpi_button_add(struct acpi_device *device)
 	input->phys = button->phys;
 	input->id.bustype = BUS_HOST;
 	input->id.product = button->type;
+	input->dev.parent = &device->dev;
 
 	switch (button->type) {
 	case ACPI_BUTTON_TYPE_POWER:
 	case ACPI_BUTTON_TYPE_POWERF:
-		input->evbit[0] = BIT(EV_KEY);
+		input->evbit[0] = BIT_MASK(EV_KEY);
 		set_bit(KEY_POWER, input->keybit);
 		break;
 
 	case ACPI_BUTTON_TYPE_SLEEP:
 	case ACPI_BUTTON_TYPE_SLEEPF:
-		input->evbit[0] = BIT(EV_KEY);
+		input->evbit[0] = BIT_MASK(EV_KEY);
 		set_bit(KEY_SLEEP, input->keybit);
 		break;
 
 	case ACPI_BUTTON_TYPE_LID:
-		input->evbit[0] = BIT(EV_SW);
+		input->evbit[0] = BIT_MASK(EV_SW);
 		set_bit(SW_LID, input->swbit);
 		break;
 	}
@@ -443,6 +473,8 @@ static int acpi_button_add(struct acpi_device *device)
 	error = input_register_device(input);
 	if (error)
 		goto err_remove_handlers;
+	if (button->type == ACPI_BUTTON_TYPE_LID)
+		acpi_lid_send_state(button);
 
 	if (device->wakeup.flags.valid) {
 		/* Button's GPE is run-wake GPE */