1 From: Thomas Renninger <trenn@suse.de>
2 Subject: [PATCH] sony-laptop: fingers off backlight if video.ko is serving this functionality
3 Patch-Mainline: queued for .28 in Len's/ak's ACPI tree
5 commit 1d38a0697573617e7f4d184207cced6cbe8d54d5
7 Signed-off-by: Thomas Renninger <trenn@suse.de>
8 Signed-off-by: Andi Kleen <ak@linux.intel.com>
10 drivers/misc/sony-laptop.c | 6 +++++-
11 1 files changed, 5 insertions(+), 1 deletions(-)
13 diff --git a/drivers/misc/sony-laptop.c b/drivers/misc/sony-laptop.c
14 index 60775be..3d178ab 100644
15 --- a/drivers/misc/sony-laptop.c
16 +++ b/drivers/misc/sony-laptop.c
17 @@ -1038,7 +1038,11 @@ static int sony_nc_add(struct acpi_device *device)
21 - if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, "GBRT", &handle))) {
22 + if (acpi_video_backlight_support()) {
23 + printk(KERN_INFO DRV_PFX "Sony: Brightness ignored, must be "
24 + "controlled by ACPI video driver\n");
25 + } else if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, "GBRT",
27 sony_backlight_device = backlight_device_register("sony", NULL,