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authorJames Morris <jmorris@namei.org>2008-11-14 11:29:12 +1100
committerJames Morris <jmorris@namei.org>2008-11-14 11:29:12 +1100
commit2b828925652340277a889cbc11b2d0637f7cdaf7 (patch)
tree32fcb3d3e466fc419fad2d3717956a5b5ad3d35a /drivers/acpi/video.c
parent3a3b7ce9336952ea7b9564d976d068a238976c9d (diff)
parent58e20d8d344b0ee083febb18c2b021d2427e56ca (diff)
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Merge branch 'master' into next
Conflicts: security/keys/internal.h security/keys/process_keys.c security/keys/request_key.c Fixed conflicts above by using the non 'tsk' versions. Signed-off-by: James Morris <jmorris@namei.org>
Diffstat (limited to 'drivers/acpi/video.c')
-rw-r--r--drivers/acpi/video.c42
1 files changed, 22 insertions, 20 deletions
diff --git a/drivers/acpi/video.c b/drivers/acpi/video.c
index a29b0ccac65..baa44192972 100644
--- a/drivers/acpi/video.c
+++ b/drivers/acpi/video.c
@@ -41,7 +41,6 @@
#include <acpi/acpi_bus.h>
#include <acpi/acpi_drivers.h>
-#define ACPI_VIDEO_COMPONENT 0x08000000
#define ACPI_VIDEO_CLASS "video"
#define ACPI_VIDEO_BUS_NAME "Video Bus"
#define ACPI_VIDEO_DEVICE_NAME "Video Device"
@@ -739,7 +738,8 @@ static void acpi_video_device_find_cap(struct acpi_video_device *device)
device->cap._DSS = 1;
}
- max_level = acpi_video_init_brightness(device);
+ if (acpi_video_backlight_support())
+ max_level = acpi_video_init_brightness(device);
if (device->cap._BCL && device->cap._BCM && max_level > 0) {
int result;
@@ -785,18 +785,21 @@ static void acpi_video_device_find_cap(struct acpi_video_device *device)
printk(KERN_ERR PREFIX "Create sysfs link\n");
}
- if (device->cap._DCS && device->cap._DSS){
- static int count = 0;
- char *name;
- name = kzalloc(MAX_NAME_LEN, GFP_KERNEL);
- if (!name)
- return;
- sprintf(name, "acpi_video%d", count++);
- device->output_dev = video_output_register(name,
- NULL, device, &acpi_output_properties);
- kfree(name);
+
+ if (acpi_video_display_switch_support()) {
+
+ if (device->cap._DCS && device->cap._DSS) {
+ static int count;
+ char *name;
+ name = kzalloc(MAX_NAME_LEN, GFP_KERNEL);
+ if (!name)
+ return;
+ sprintf(name, "acpi_video%d", count++);
+ device->output_dev = video_output_register(name,
+ NULL, device, &acpi_output_properties);
+ kfree(name);
+ }
}
- return;
}
/*
@@ -842,11 +845,16 @@ 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;
-
+ struct device *dev;
if (!video)
return -EINVAL;
+ dev = acpi_get_physical_pci_device(video->device->handle);
+ 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.
*/
@@ -2094,12 +2102,6 @@ static int __init acpi_video_init(void)
{
int result = 0;
-
- /*
- acpi_dbg_level = 0xFFFFFFFF;
- acpi_dbg_layer = 0x08000000;
- */
-
acpi_video_dir = proc_mkdir(ACPI_VIDEO_CLASS, acpi_root_dir);
if (!acpi_video_dir)
return -ENODEV;