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authorDmitry Torokhov <dmitry.torokhov@gmail.com>2008-12-20 04:54:54 -0500
committerDmitry Torokhov <dmitry.torokhov@gmail.com>2008-12-20 04:54:54 -0500
commit93b8eef1c098efbea2f1fc0be7e3c681f259a7e7 (patch)
tree462cc8c2bc07bbc825dab2a200891a28d8643329 /drivers/misc/sony-laptop.c
parenta2d781fc8d9b16113dd9440107d73c0f21d7cbef (diff)
parent929096fe9ff1f4b3645cf3919527ab47e8d5e17c (diff)
Merge commit 'v2.6.28-rc9' into next
Diffstat (limited to 'drivers/misc/sony-laptop.c')
-rw-r--r--drivers/misc/sony-laptop.c13
1 files changed, 9 insertions, 4 deletions
diff --git a/drivers/misc/sony-laptop.c b/drivers/misc/sony-laptop.c
index 5a97d3a9d745..571b211608d1 100644
--- a/drivers/misc/sony-laptop.c
+++ b/drivers/misc/sony-laptop.c
@@ -1038,7 +1038,11 @@ static int sony_nc_add(struct acpi_device *device)
goto outinput;
}
- if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, "GBRT", &handle))) {
+ if (acpi_video_backlight_support()) {
+ printk(KERN_INFO DRV_PFX "brightness ignored, must be "
+ "controlled by ACPI video driver\n");
+ } else if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, "GBRT",
+ &handle))) {
sony_backlight_device = backlight_device_register("sony", NULL,
NULL,
&sony_backlight_ops);
@@ -1920,7 +1924,6 @@ static int sonypi_misc_fasync(int fd, struct file *filp, int on)
static int sonypi_misc_release(struct inode *inode, struct file *file)
{
- sonypi_misc_fasync(-1, file, 0);
atomic_dec(&sonypi_compat.open_count);
return 0;
}
@@ -2315,8 +2318,10 @@ end:
*/
static int sony_pic_disable(struct acpi_device *device)
{
- if (ACPI_FAILURE(acpi_evaluate_object(device->handle,
- "_DIS", NULL, NULL)))
+ acpi_status ret = acpi_evaluate_object(device->handle, "_DIS", NULL,
+ NULL);
+
+ if (ACPI_FAILURE(ret) && ret != AE_NOT_FOUND)
return -ENXIO;
dprintk("Device disabled\n");