ACPI suspend: Blacklist boxes that require us to set SCI_EN directly on resume

[~andy/linux] / drivers / acpi / video.c

diff --git a/drivers/acpi/video.c b/drivers/acpi/video.c
index bf0c26a7368d01448893585b9c1377e39552086b..baa4419297209efd6d79aaedb2dae13c2d1a6f92 100644 (file)
--- 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.
         */