#include <linux/seq_file.h>
#include <linux/input.h>
#include <linux/backlight.h>
+#include <linux/thermal.h>
#include <linux/video_output.h>
#include <asm/uaccess.h>
#define ACPI_VIDEO_NOTIFY_ZERO_BRIGHTNESS 0x88
#define ACPI_VIDEO_NOTIFY_DISPLAY_OFF 0x89
-#define ACPI_VIDEO_HEAD_INVALID (~0u - 1)
-#define ACPI_VIDEO_HEAD_END (~0u)
#define MAX_NAME_LEN 20
#define ACPI_VIDEO_DISPLAY_CRT 1
MODULE_DESCRIPTION("ACPI Video Driver");
MODULE_LICENSE("GPL");
+static int brightness_switch_enabled = 1;
+module_param(brightness_switch_enabled, bool, 0644);
+
static int acpi_video_bus_add(struct acpi_device *device);
static int acpi_video_bus_remove(struct acpi_device *device, int type);
+static int acpi_video_resume(struct acpi_device *device);
static const struct acpi_device_id video_device_ids[] = {
{ACPI_VIDEO_HID, 0},
.ops = {
.add = acpi_video_bus_add,
.remove = acpi_video_bus_remove,
+ .resume = acpi_video_resume,
},
};
struct acpi_device *dev;
struct acpi_video_device_brightness *brightness;
struct backlight_device *backlight;
+ struct thermal_cooling_device *cdev;
struct output_device *output_dev;
};
/* bus */
static int acpi_video_bus_info_open_fs(struct inode *inode, struct file *file);
static struct file_operations acpi_video_bus_info_fops = {
+ .owner = THIS_MODULE,
.open = acpi_video_bus_info_open_fs,
.read = seq_read,
.llseek = seq_lseek,
static int acpi_video_bus_ROM_open_fs(struct inode *inode, struct file *file);
static struct file_operations acpi_video_bus_ROM_fops = {
+ .owner = THIS_MODULE,
.open = acpi_video_bus_ROM_open_fs,
.read = seq_read,
.llseek = seq_lseek,
static int acpi_video_bus_POST_info_open_fs(struct inode *inode,
struct file *file);
static struct file_operations acpi_video_bus_POST_info_fops = {
+ .owner = THIS_MODULE,
.open = acpi_video_bus_POST_info_open_fs,
.read = seq_read,
.llseek = seq_lseek,
static int acpi_video_bus_POST_open_fs(struct inode *inode, struct file *file);
static struct file_operations acpi_video_bus_POST_fops = {
+ .owner = THIS_MODULE,
.open = acpi_video_bus_POST_open_fs,
.read = seq_read,
.llseek = seq_lseek,
static int acpi_video_bus_DOS_open_fs(struct inode *inode, struct file *file);
static struct file_operations acpi_video_bus_DOS_fops = {
+ .owner = THIS_MODULE,
.open = acpi_video_bus_DOS_open_fs,
.read = seq_read,
.llseek = seq_lseek,
static int acpi_video_device_info_open_fs(struct inode *inode,
struct file *file);
static struct file_operations acpi_video_device_info_fops = {
+ .owner = THIS_MODULE,
.open = acpi_video_device_info_open_fs,
.read = seq_read,
.llseek = seq_lseek,
static int acpi_video_device_state_open_fs(struct inode *inode,
struct file *file);
static struct file_operations acpi_video_device_state_fops = {
+ .owner = THIS_MODULE,
.open = acpi_video_device_state_open_fs,
.read = seq_read,
.llseek = seq_lseek,
static int acpi_video_device_brightness_open_fs(struct inode *inode,
struct file *file);
static struct file_operations acpi_video_device_brightness_fops = {
+ .owner = THIS_MODULE,
.open = acpi_video_device_brightness_open_fs,
.read = seq_read,
.llseek = seq_lseek,
static int acpi_video_device_EDID_open_fs(struct inode *inode,
struct file *file);
static struct file_operations acpi_video_device_EDID_fops = {
+ .owner = THIS_MODULE,
.open = acpi_video_device_EDID_open_fs,
.read = seq_read,
.llseek = seq_lseek,
static void acpi_video_device_bind(struct acpi_video_bus *video,
struct acpi_video_device *device);
static int acpi_video_device_enumerate(struct acpi_video_bus *video);
-static int acpi_video_switch_output(struct acpi_video_bus *video, int event);
static int acpi_video_device_lcd_set_level(struct acpi_video_device *device,
int level);
static int acpi_video_device_lcd_get_level_current(
static int acpi_video_get_brightness(struct backlight_device *bd)
{
unsigned long cur_level;
+ int i;
struct acpi_video_device *vd =
(struct acpi_video_device *)bl_get_data(bd);
acpi_video_device_lcd_get_level_current(vd, &cur_level);
- return (int) cur_level;
+ for (i = 2; i < vd->brightness->count; i++) {
+ if (vd->brightness->levels[i] == cur_level)
+ /* The first two entries are special - see page 575
+ of the ACPI spec 3.0 */
+ return i-2;
+ }
+ return 0;
}
static int acpi_video_set_brightness(struct backlight_device *bd)
{
- int request_level = bd->props.brightness;
+ int request_level = bd->props.brightness+2;
struct acpi_video_device *vd =
(struct acpi_video_device *)bl_get_data(bd);
- acpi_video_device_lcd_set_level(vd, request_level);
+ acpi_video_device_lcd_set_level(vd,
+ vd->brightness->levels[request_level]);
return 0;
}
.set_state = acpi_video_output_set,
.get_status = acpi_video_output_get,
};
+
+
+/* thermal cooling device callbacks */
+static int video_get_max_state(struct thermal_cooling_device *cdev, char *buf)
+{
+ struct acpi_device *device = cdev->devdata;
+ struct acpi_video_device *video = acpi_driver_data(device);
+
+ return sprintf(buf, "%d\n", video->brightness->count - 3);
+}
+
+static int video_get_cur_state(struct thermal_cooling_device *cdev, char *buf)
+{
+ struct acpi_device *device = cdev->devdata;
+ struct acpi_video_device *video = acpi_driver_data(device);
+ unsigned long level;
+ int state;
+
+ acpi_video_device_lcd_get_level_current(video, &level);
+ for (state = 2; state < video->brightness->count; state++)
+ if (level == video->brightness->levels[state])
+ return sprintf(buf, "%d\n",
+ video->brightness->count - state - 1);
+
+ return -EINVAL;
+}
+
+static int
+video_set_cur_state(struct thermal_cooling_device *cdev, unsigned int state)
+{
+ struct acpi_device *device = cdev->devdata;
+ struct acpi_video_device *video = acpi_driver_data(device);
+ int level;
+
+ if ( state >= video->brightness->count - 2)
+ return -EINVAL;
+
+ state = video->brightness->count - state;
+ level = video->brightness->levels[state -1];
+ return acpi_video_device_lcd_set_level(video, level);
+}
+
+static struct thermal_cooling_device_ops video_cooling_ops = {
+ .get_max_state = video_get_max_state,
+ .get_cur_state = video_get_cur_state,
+ .set_cur_state = video_set_cur_state,
+};
+
/* --------------------------------------------------------------------------
Video Management
-------------------------------------------------------------------------- */
kfree(obj);
if (device->cap._BCL && device->cap._BCM && device->cap._BQC && max_level > 0){
- unsigned long tmp;
+ int result;
static int count = 0;
char *name;
name = kzalloc(MAX_NAME_LEN, GFP_KERNEL);
return;
sprintf(name, "acpi_video%d", count++);
- acpi_video_device_lcd_get_level_current(device, &tmp);
device->backlight = backlight_device_register(name,
NULL, device, &acpi_backlight_ops);
- device->backlight->props.max_brightness = max_level;
- device->backlight->props.brightness = (int)tmp;
+ device->backlight->props.max_brightness = device->brightness->count-3;
+ device->backlight->props.brightness = acpi_video_get_brightness(device->backlight);
backlight_update_status(device->backlight);
-
kfree(name);
+
+ device->cdev = thermal_cooling_device_register("LCD",
+ device->dev, &video_cooling_ops);
+ if (IS_ERR(device->cdev))
+ return;
+
+ printk(KERN_INFO PREFIX
+ "%s is registered as cooling_device%d\n",
+ device->dev->dev.bus_id, device->cdev->id);
+ result = sysfs_create_link(&device->dev->dev.kobj,
+ &device->cdev->device.kobj,
+ "thermal_cooling");
+ if (result)
+ printk(KERN_ERR PREFIX "Create sysfs link\n");
+ result = sysfs_create_link(&device->cdev->device.kobj,
+ &device->dev->dev.kobj, "device");
+ if (result)
+ printk(KERN_ERR PREFIX "Create sysfs link\n");
+
}
if (device->cap._DCS && device->cap._DSS){
static int count = 0;
static int acpi_video_device_add_fs(struct acpi_device *device)
{
- struct proc_dir_entry *entry = NULL;
+ struct proc_dir_entry *entry, *device_dir;
struct acpi_video_device *vid_dev;
-
- if (!device)
- return -ENODEV;
-
vid_dev = acpi_driver_data(device);
if (!vid_dev)
return -ENODEV;
- if (!acpi_device_dir(device)) {
- acpi_device_dir(device) = proc_mkdir(acpi_device_bid(device),
- vid_dev->video->dir);
- if (!acpi_device_dir(device))
- return -ENODEV;
- acpi_device_dir(device)->owner = THIS_MODULE;
- }
+ device_dir = proc_mkdir(acpi_device_bid(device),
+ vid_dev->video->dir);
+ if (!device_dir)
+ return -ENOMEM;
+
+ device_dir->owner = THIS_MODULE;
/* 'info' [R] */
- entry = create_proc_entry("info", S_IRUGO, acpi_device_dir(device));
+ entry = proc_create_data("info", S_IRUGO, device_dir,
+ &acpi_video_device_info_fops, acpi_driver_data(device));
if (!entry)
- return -ENODEV;
- else {
- entry->proc_fops = &acpi_video_device_info_fops;
- entry->data = acpi_driver_data(device);
- entry->owner = THIS_MODULE;
- }
+ goto err_remove_dir;
/* 'state' [R/W] */
- entry =
- create_proc_entry("state", S_IFREG | S_IRUGO | S_IWUSR,
- acpi_device_dir(device));
+ acpi_video_device_state_fops.write = acpi_video_device_write_state;
+ entry = proc_create_data("state", S_IFREG | S_IRUGO | S_IWUSR,
+ device_dir,
+ &acpi_video_device_state_fops,
+ acpi_driver_data(device));
if (!entry)
- return -ENODEV;
- else {
- acpi_video_device_state_fops.write = acpi_video_device_write_state;
- entry->proc_fops = &acpi_video_device_state_fops;
- entry->data = acpi_driver_data(device);
- entry->owner = THIS_MODULE;
- }
+ goto err_remove_info;
/* 'brightness' [R/W] */
- entry =
- create_proc_entry("brightness", S_IFREG | S_IRUGO | S_IWUSR,
- acpi_device_dir(device));
+ acpi_video_device_brightness_fops.write =
+ acpi_video_device_write_brightness;
+ entry = proc_create_data("brightness", S_IFREG | S_IRUGO | S_IWUSR,
+ device_dir,
+ &acpi_video_device_brightness_fops,
+ acpi_driver_data(device));
if (!entry)
- return -ENODEV;
- else {
- acpi_video_device_brightness_fops.write = acpi_video_device_write_brightness;
- entry->proc_fops = &acpi_video_device_brightness_fops;
- entry->data = acpi_driver_data(device);
- entry->owner = THIS_MODULE;
- }
+ goto err_remove_state;
/* 'EDID' [R] */
- entry = create_proc_entry("EDID", S_IRUGO, acpi_device_dir(device));
+ entry = proc_create_data("EDID", S_IRUGO, device_dir,
+ &acpi_video_device_EDID_fops,
+ acpi_driver_data(device));
if (!entry)
- return -ENODEV;
- else {
- entry->proc_fops = &acpi_video_device_EDID_fops;
- entry->data = acpi_driver_data(device);
- entry->owner = THIS_MODULE;
- }
+ goto err_remove_brightness;
+
+ acpi_device_dir(device) = device_dir;
return 0;
+
+ err_remove_brightness:
+ remove_proc_entry("brightness", device_dir);
+ err_remove_state:
+ remove_proc_entry("state", device_dir);
+ err_remove_info:
+ remove_proc_entry("info", device_dir);
+ err_remove_dir:
+ remove_proc_entry(acpi_device_bid(device), vid_dev->video->dir);
+ return -ENOMEM;
}
static int acpi_video_device_remove_fs(struct acpi_device *device)
{
struct acpi_video_device *vid_dev;
+ struct proc_dir_entry *device_dir;
vid_dev = acpi_driver_data(device);
if (!vid_dev || !vid_dev->video || !vid_dev->video->dir)
return -ENODEV;
- if (acpi_device_dir(device)) {
- remove_proc_entry("info", acpi_device_dir(device));
- remove_proc_entry("state", acpi_device_dir(device));
- remove_proc_entry("brightness", acpi_device_dir(device));
- remove_proc_entry("EDID", acpi_device_dir(device));
+ device_dir = acpi_device_dir(device);
+ if (device_dir) {
+ remove_proc_entry("info", device_dir);
+ remove_proc_entry("state", device_dir);
+ remove_proc_entry("brightness", device_dir);
+ remove_proc_entry("EDID", device_dir);
remove_proc_entry(acpi_device_bid(device), vid_dev->video->dir);
acpi_device_dir(device) = NULL;
}
if (!video)
goto end;
- printk(KERN_INFO PREFIX "Please implement %s\n", __FUNCTION__);
+ printk(KERN_INFO PREFIX "Please implement %s\n", __func__);
seq_printf(seq, "<TODO>\n");
end:
static int acpi_video_bus_add_fs(struct acpi_device *device)
{
- struct proc_dir_entry *entry = NULL;
- struct acpi_video_bus *video;
-
+ struct acpi_video_bus *video = acpi_driver_data(device);
+ struct proc_dir_entry *device_dir;
+ struct proc_dir_entry *entry;
- video = acpi_driver_data(device);
+ device_dir = proc_mkdir(acpi_device_bid(device), acpi_video_dir);
+ if (!device_dir)
+ return -ENOMEM;
- if (!acpi_device_dir(device)) {
- acpi_device_dir(device) = proc_mkdir(acpi_device_bid(device),
- acpi_video_dir);
- if (!acpi_device_dir(device))
- return -ENODEV;
- video->dir = acpi_device_dir(device);
- acpi_device_dir(device)->owner = THIS_MODULE;
- }
+ device_dir->owner = THIS_MODULE;
/* 'info' [R] */
- entry = create_proc_entry("info", S_IRUGO, acpi_device_dir(device));
+ entry = proc_create_data("info", S_IRUGO, device_dir,
+ &acpi_video_bus_info_fops,
+ acpi_driver_data(device));
if (!entry)
- return -ENODEV;
- else {
- entry->proc_fops = &acpi_video_bus_info_fops;
- entry->data = acpi_driver_data(device);
- entry->owner = THIS_MODULE;
- }
+ goto err_remove_dir;
/* 'ROM' [R] */
- entry = create_proc_entry("ROM", S_IRUGO, acpi_device_dir(device));
+ entry = proc_create_data("ROM", S_IRUGO, device_dir,
+ &acpi_video_bus_ROM_fops,
+ acpi_driver_data(device));
if (!entry)
- return -ENODEV;
- else {
- entry->proc_fops = &acpi_video_bus_ROM_fops;
- entry->data = acpi_driver_data(device);
- entry->owner = THIS_MODULE;
- }
+ goto err_remove_info;
/* 'POST_info' [R] */
- entry =
- create_proc_entry("POST_info", S_IRUGO, acpi_device_dir(device));
+ entry = proc_create_data("POST_info", S_IRUGO, device_dir,
+ &acpi_video_bus_POST_info_fops,
+ acpi_driver_data(device));
if (!entry)
- return -ENODEV;
- else {
- entry->proc_fops = &acpi_video_bus_POST_info_fops;
- entry->data = acpi_driver_data(device);
- entry->owner = THIS_MODULE;
- }
+ goto err_remove_rom;
/* 'POST' [R/W] */
- entry =
- create_proc_entry("POST", S_IFREG | S_IRUGO | S_IRUSR,
- acpi_device_dir(device));
+ acpi_video_bus_POST_fops.write = acpi_video_bus_write_POST;
+ entry = proc_create_data("POST", S_IFREG | S_IRUGO | S_IWUSR,
+ device_dir,
+ &acpi_video_bus_POST_fops,
+ acpi_driver_data(device));
if (!entry)
- return -ENODEV;
- else {
- acpi_video_bus_POST_fops.write = acpi_video_bus_write_POST;
- entry->proc_fops = &acpi_video_bus_POST_fops;
- entry->data = acpi_driver_data(device);
- entry->owner = THIS_MODULE;
- }
+ goto err_remove_post_info;
/* 'DOS' [R/W] */
- entry =
- create_proc_entry("DOS", S_IFREG | S_IRUGO | S_IRUSR,
- acpi_device_dir(device));
+ acpi_video_bus_DOS_fops.write = acpi_video_bus_write_DOS;
+ entry = proc_create_data("DOS", S_IFREG | S_IRUGO | S_IWUSR,
+ device_dir,
+ &acpi_video_bus_DOS_fops,
+ acpi_driver_data(device));
if (!entry)
- return -ENODEV;
- else {
- acpi_video_bus_DOS_fops.write = acpi_video_bus_write_DOS;
- entry->proc_fops = &acpi_video_bus_DOS_fops;
- entry->data = acpi_driver_data(device);
- entry->owner = THIS_MODULE;
- }
+ goto err_remove_post;
+ video->dir = acpi_device_dir(device) = device_dir;
return 0;
+
+ err_remove_post:
+ remove_proc_entry("POST", device_dir);
+ err_remove_post_info:
+ remove_proc_entry("POST_info", device_dir);
+ err_remove_rom:
+ remove_proc_entry("ROM", device_dir);
+ err_remove_info:
+ remove_proc_entry("info", device_dir);
+ err_remove_dir:
+ remove_proc_entry(acpi_device_bid(device), acpi_video_dir);
+ return -ENOMEM;
}
static int acpi_video_bus_remove_fs(struct acpi_device *device)
{
- struct acpi_video_bus *video;
-
-
- video = acpi_driver_data(device);
-
- if (acpi_device_dir(device)) {
- remove_proc_entry("info", acpi_device_dir(device));
- remove_proc_entry("ROM", acpi_device_dir(device));
- remove_proc_entry("POST_info", acpi_device_dir(device));
- remove_proc_entry("POST", acpi_device_dir(device));
- remove_proc_entry("DOS", acpi_device_dir(device));
+ struct proc_dir_entry *device_dir = acpi_device_dir(device);
+
+ if (device_dir) {
+ remove_proc_entry("info", device_dir);
+ remove_proc_entry("ROM", device_dir);
+ remove_proc_entry("POST_info", device_dir);
+ remove_proc_entry("POST", device_dir);
+ remove_proc_entry("DOS", device_dir);
remove_proc_entry(acpi_device_bid(device), acpi_video_dir);
acpi_device_dir(device) = NULL;
}
static struct acpi_video_device_attrib*
acpi_video_get_device_attr(struct acpi_video_bus *video, unsigned long device_id)
{
- int count;
+ struct acpi_video_enumerated_device *ids;
+ int i;
+
+ for (i = 0; i < video->attached_count; i++) {
+ ids = &video->attached_array[i];
+ if ((ids->value.int_val & 0xffff) == device_id)
+ return &ids->value.attrib;
+ }
- for(count = 0; count < video->attached_count; count++)
- if((video->attached_array[count].value.int_val & 0xffff) == device_id)
- return &(video->attached_array[count].value.attrib);
return NULL;
}
acpi_video_device_bind(struct acpi_video_bus *video,
struct acpi_video_device *device)
{
+ struct acpi_video_enumerated_device *ids;
int i;
-#define IDS_VAL(i) video->attached_array[i].value.int_val
-#define IDS_BIND(i) video->attached_array[i].bind_info
-
- for (i = 0; IDS_VAL(i) != ACPI_VIDEO_HEAD_INVALID &&
- i < video->attached_count; i++) {
- if (device->device_id == (IDS_VAL(i) & 0xffff)) {
- IDS_BIND(i) = device;
+ for (i = 0; i < video->attached_count; i++) {
+ ids = &video->attached_array[i];
+ if (device->device_id == (ids->value.int_val & 0xffff)) {
+ ids->bind_info = device;
ACPI_DEBUG_PRINT((ACPI_DB_INFO, "device_bind %d\n", i));
}
}
-#undef IDS_VAL
-#undef IDS_BIND
}
/*
int status;
int count;
int i;
- struct acpi_video_enumerated_device *active_device_list;
+ struct acpi_video_enumerated_device *active_list;
struct acpi_buffer buffer = { ACPI_ALLOCATE_BUFFER, NULL };
union acpi_object *dod = NULL;
union acpi_object *obj;
ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Found %d video heads in _DOD\n",
dod->package.count));
- active_device_list = kmalloc((1 +
- dod->package.count) *
- sizeof(struct
- acpi_video_enumerated_device),
- GFP_KERNEL);
-
- if (!active_device_list) {
+ active_list = kcalloc(1 + dod->package.count,
+ sizeof(struct acpi_video_enumerated_device),
+ GFP_KERNEL);
+ if (!active_list) {
status = -ENOMEM;
goto out;
}
obj = &dod->package.elements[i];
if (obj->type != ACPI_TYPE_INTEGER) {
- printk(KERN_ERR PREFIX "Invalid _DOD data\n");
- active_device_list[i].value.int_val =
- ACPI_VIDEO_HEAD_INVALID;
+ printk(KERN_ERR PREFIX
+ "Invalid _DOD data in element %d\n", i);
+ continue;
}
- active_device_list[i].value.int_val = obj->integer.value;
- active_device_list[i].bind_info = NULL;
+
+ active_list[count].value.int_val = obj->integer.value;
+ active_list[count].bind_info = NULL;
ACPI_DEBUG_PRINT((ACPI_DB_INFO, "dod element[%d] = %d\n", i,
(int)obj->integer.value));
count++;
}
- active_device_list[count].value.int_val = ACPI_VIDEO_HEAD_END;
kfree(video->attached_array);
- video->attached_array = active_device_list;
+ video->attached_array = active_list;
video->attached_count = count;
- out:
- kfree(buffer.pointer);
- return status;
-}
-
-/*
- * Arg:
- * video : video bus device
- * event : notify event
- *
- * Return:
- * < 0 : error
- *
- * 1. Find out the current active output device.
- * 2. Identify the next output device to switch to.
- * 3. call _DSS to do actual switch.
- */
-
-static int acpi_video_switch_output(struct acpi_video_bus *video, int event)
-{
- struct list_head *node;
- struct acpi_video_device *dev = NULL;
- struct acpi_video_device *dev_next = NULL;
- struct acpi_video_device *dev_prev = NULL;
- unsigned long state;
- int status = 0;
-
- mutex_lock(&video->device_list_lock);
-
- list_for_each(node, &video->video_device_list) {
- dev = container_of(node, struct acpi_video_device, entry);
- status = acpi_video_device_get_state(dev, &state);
- if (state & 0x2) {
- dev_next = container_of(node->next,
- struct acpi_video_device, entry);
- dev_prev = container_of(node->prev,
- struct acpi_video_device, entry);
- goto out;
- }
- }
-
- dev_next = container_of(node->next, struct acpi_video_device, entry);
- dev_prev = container_of(node->prev, struct acpi_video_device, entry);
out:
- mutex_unlock(&video->device_list_lock);
-
- switch (event) {
- case ACPI_VIDEO_NOTIFY_CYCLE:
- case ACPI_VIDEO_NOTIFY_NEXT_OUTPUT:
- acpi_video_device_set_state(dev, 0);
- acpi_video_device_set_state(dev_next, 0x80000001);
- break;
- case ACPI_VIDEO_NOTIFY_PREV_OUTPUT:
- acpi_video_device_set_state(dev, 0);
- acpi_video_device_set_state(dev_prev, 0x80000001);
- default:
- break;
- }
-
+ kfree(buffer.pointer);
return status;
}
ACPI_DEVICE_NOTIFY,
acpi_video_device_notify);
backlight_device_unregister(device->backlight);
+ if (device->cdev) {
+ sysfs_remove_link(&device->dev->dev.kobj,
+ "thermal_cooling");
+ sysfs_remove_link(&device->cdev->device.kobj,
+ "device");
+ thermal_cooling_device_unregister(device->cdev);
+ device->cdev = NULL;
+ }
video_output_unregister(device->output_dev);
return 0;
* connector. */
acpi_video_device_enumerate(video);
acpi_video_device_rebind(video);
- acpi_video_switch_output(video, event);
acpi_bus_generate_proc_event(device, event, 0);
keycode = KEY_SWITCHVIDEOMODE;
break;
case ACPI_VIDEO_NOTIFY_CYCLE: /* Cycle Display output hotkey pressed. */
- acpi_video_switch_output(video, event);
acpi_bus_generate_proc_event(device, event, 0);
keycode = KEY_SWITCHVIDEOMODE;
break;
case ACPI_VIDEO_NOTIFY_NEXT_OUTPUT: /* Next Display output hotkey pressed. */
- acpi_video_switch_output(video, event);
acpi_bus_generate_proc_event(device, event, 0);
keycode = KEY_VIDEO_NEXT;
break;
case ACPI_VIDEO_NOTIFY_PREV_OUTPUT: /* previous Display output hotkey pressed. */
- acpi_video_switch_output(video, event);
acpi_bus_generate_proc_event(device, event, 0);
keycode = KEY_VIDEO_PREV;
break;
break;
}
+ acpi_notifier_call_chain(device, event, 0);
input_report_key(input, keycode, 1);
input_sync(input);
input_report_key(input, keycode, 0);
switch (event) {
case ACPI_VIDEO_NOTIFY_CYCLE_BRIGHTNESS: /* Cycle brightness */
- acpi_video_switch_brightness(video_device, event);
+ if (brightness_switch_enabled)
+ acpi_video_switch_brightness(video_device, event);
acpi_bus_generate_proc_event(device, event, 0);
keycode = KEY_BRIGHTNESS_CYCLE;
break;
case ACPI_VIDEO_NOTIFY_INC_BRIGHTNESS: /* Increase brightness */
- acpi_video_switch_brightness(video_device, event);
+ if (brightness_switch_enabled)
+ acpi_video_switch_brightness(video_device, event);
acpi_bus_generate_proc_event(device, event, 0);
keycode = KEY_BRIGHTNESSUP;
break;
case ACPI_VIDEO_NOTIFY_DEC_BRIGHTNESS: /* Decrease brightness */
- acpi_video_switch_brightness(video_device, event);
+ if (brightness_switch_enabled)
+ acpi_video_switch_brightness(video_device, event);
acpi_bus_generate_proc_event(device, event, 0);
keycode = KEY_BRIGHTNESSDOWN;
break;
case ACPI_VIDEO_NOTIFY_ZERO_BRIGHTNESS: /* zero brightnesss */
- acpi_video_switch_brightness(video_device, event);
+ if (brightness_switch_enabled)
+ acpi_video_switch_brightness(video_device, event);
acpi_bus_generate_proc_event(device, event, 0);
keycode = KEY_BRIGHTNESS_ZERO;
break;
case ACPI_VIDEO_NOTIFY_DISPLAY_OFF: /* display device off */
- acpi_video_switch_brightness(video_device, event);
+ if (brightness_switch_enabled)
+ acpi_video_switch_brightness(video_device, event);
acpi_bus_generate_proc_event(device, event, 0);
keycode = KEY_DISPLAY_OFF;
break;
break;
}
+ acpi_notifier_call_chain(device, event, 0);
input_report_key(input, keycode, 1);
input_sync(input);
input_report_key(input, keycode, 0);
}
static int instance;
+static int acpi_video_resume(struct acpi_device *device)
+{
+ struct acpi_video_bus *video;
+ struct acpi_video_device *video_device;
+ int i;
+
+ if (!device || !acpi_driver_data(device))
+ return -EINVAL;
+
+ video = acpi_driver_data(device);
+
+ for (i = 0; i < video->attached_count; i++) {
+ video_device = video->attached_array[i].bind_info;
+ if (video_device && video_device->backlight)
+ acpi_video_set_brightness(video_device->backlight);
+ }
+ return AE_OK;
+}
+
static int acpi_video_bus_add(struct acpi_device *device)
{
acpi_status status;
projects / linux-2.6 / blobdiff