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authorMatthew Garrett <[email protected]>2011-03-22 16:30:21 -0700
committerLinus Torvalds <[email protected]>2011-03-22 17:43:59 -0700
commitbb7ca747f8d6243b3943c5b133048652020f4a50 (patch)
treeb40e879a7b26e3763aea2af2d4dd9079483de11e /drivers/platform/x86/classmate-laptop.c
parentccd7510fd8dea5b4b2af87fb2aef2ebd6b23b76b (diff)
backlight: add backlight type
There may be multiple ways of controlling the backlight on a given machine. Allow drivers to expose the type of interface they are providing, making it possible for userspace to make appropriate policy decisions. Signed-off-by: Matthew Garrett <[email protected]> Cc: Richard Purdie <[email protected]> Cc: Chris Wilson <[email protected]> Cc: David Airlie <[email protected]> Cc: Alex Deucher <[email protected]> Cc: Ben Skeggs <[email protected]> Cc: Zhang Rui <[email protected]> Cc: Len Brown <[email protected]> Cc: Jesse Barnes <[email protected]> Signed-off-by: Andrew Morton <[email protected]> Signed-off-by: Linus Torvalds <[email protected]>
Diffstat (limited to 'drivers/platform/x86/classmate-laptop.c')
-rw-r--r--drivers/platform/x86/classmate-laptop.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/platform/x86/classmate-laptop.c b/drivers/platform/x86/classmate-laptop.c
index 911135425224..94f93b621d7b 100644
--- a/drivers/platform/x86/classmate-laptop.c
+++ b/drivers/platform/x86/classmate-laptop.c
@@ -564,6 +564,7 @@ static int cmpc_ipml_add(struct acpi_device *acpi)
return -ENOMEM;
memset(&props, 0, sizeof(struct backlight_properties));
+ props.type = BACKLIGHT_PLATFORM;
props.max_brightness = 7;
ipml->bd = backlight_device_register("cmpc_bl", &acpi->dev,
acpi->handle, &cmpc_bl_ops,