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Merge branches 'release' and 'video' into release

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Conflicts:

	include/acpi/acpi_bus.h

Signed-off-by: Len Brown <len.brown@intel.com>
This commit is contained in:
Len Brown 2008-02-07 03:25:48 -05:00
commit 52b097fff8
3 changed files with 97 additions and 69 deletions
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28
drivers/acpi/event.c
View File

@ -109,6 +109,34 @@ static const struct file_operations acpi_system_event_ops = {
};
#endif /* CONFIG_ACPI_PROC_EVENT */
/* ACPI notifier chain */
BLOCKING_NOTIFIER_HEAD(acpi_chain_head);
int acpi_notifier_call_chain(struct acpi_device *dev, u32 type, u32 data)
{
struct acpi_bus_event event;
strcpy(event.device_class, dev->pnp.device_class);
strcpy(event.bus_id, dev->pnp.bus_id);
event.type = type;
event.data = data;
return (blocking_notifier_call_chain(&acpi_chain_head, 0, (void *)&event)
== NOTIFY_BAD) ? -EINVAL : 0;
}
EXPORT_SYMBOL(acpi_notifier_call_chain);
int register_acpi_notifier(struct notifier_block *nb)
{
return blocking_notifier_chain_register(&acpi_chain_head, nb);
}
EXPORT_SYMBOL(register_acpi_notifier);
int unregister_acpi_notifier(struct notifier_block *nb)
{
return blocking_notifier_chain_unregister(&acpi_chain_head, nb);
}
EXPORT_SYMBOL(unregister_acpi_notifier);
#ifdef CONFIG_NET
static unsigned int acpi_event_seqnum;
struct acpi_genl_event {

135
drivers/acpi/video.c
View File

@ -73,8 +73,12 @@ MODULE_AUTHOR("Bruno Ducrot");
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},
@ -89,6 +93,7 @@ static struct acpi_driver acpi_video_bus = {
.ops = {
.add = acpi_video_bus_add,
.remove = acpi_video_bus_remove,
.resume = acpi_video_resume,
},
};
@ -275,7 +280,6 @@ static void acpi_video_device_rebind(struct acpi_video_bus *video);
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(
@ -800,11 +804,40 @@ static void acpi_video_bus_find_cap(struct acpi_video_bus *video)
static int acpi_video_bus_check(struct acpi_video_bus *video)
{
acpi_status status = -ENOENT;
long device_id;
struct device *dev;
struct acpi_device *device;
if (!video)
return -EINVAL;
device = video->device;
status =
acpi_evaluate_integer(device->handle, "_ADR", NULL, &device_id);
if (!ACPI_SUCCESS(status))
return -ENODEV;
/* We need to attempt to determine whether the _ADR refers to a
PCI device or not. There's no terribly good way to do this,
so the best we can hope for is to assume that there'll never
be a video device in the host bridge */
if (device_id >= 0x10000) {
/* It looks like a PCI device. Does it exist? */
dev = acpi_get_physical_device(device->handle);
} else {
/* It doesn't look like a PCI device. Does its parent
exist? */
acpi_handle phandle;
if (acpi_get_parent(device->handle, &phandle))
return -ENODEV;
dev = acpi_get_physical_device(phandle);
}
if (!dev)
return -ENODEV;
put_device(dev);
/* Since there is no HID, CID and so on for VGA driver, we have
* to check well known required nodes.
*/
@ -1683,64 +1716,6 @@ static int acpi_video_device_enumerate(struct acpi_video_bus *video)
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;
}
return status;
}
static int
acpi_video_get_next_level(struct acpi_video_device *device,
u32 level_current, u32 event)
@ -1908,23 +1883,19 @@ static void acpi_video_bus_notify(acpi_handle handle, u32 event, void *data)
* 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;
@ -1936,6 +1907,7 @@ static void acpi_video_bus_notify(acpi_handle handle, u32 event, void *data)
break;
}
acpi_notifier_call_chain(device, event, 0);
input_report_key(input, keycode, 1);
input_sync(input);
input_report_key(input, keycode, 0);
@ -1961,27 +1933,32 @@ static void acpi_video_device_notify(acpi_handle handle, u32 event, void *data)
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;
@ -1992,6 +1969,7 @@ static void acpi_video_device_notify(acpi_handle handle, u32 event, void *data)
break;
}
acpi_notifier_call_chain(device, event, 0);
input_report_key(input, keycode, 1);
input_sync(input);
input_report_key(input, keycode, 0);
@ -2001,6 +1979,25 @@ static void acpi_video_device_notify(acpi_handle handle, u32 event, void *data)
}
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;

3
include/acpi/acpi_bus.h
View File

@ -323,6 +323,9 @@ extern struct kobject *acpi_kobj;
extern int acpi_bus_generate_netlink_event(const char*, const char*, u8, int);
void acpi_bus_private_data_handler(acpi_handle, u32, void *);
int acpi_bus_get_private_data(acpi_handle, void **);
extern int acpi_notifier_call_chain(struct acpi_device *, u32, u32);
extern int register_acpi_notifier(struct notifier_block *);
extern int unregister_acpi_notifier(struct notifier_block *);
/*
* External Functions
*/