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dell-laptop: Port to new backlight interface selection API 

Port the backlight selection logic to the new backlight interface
selection API.

Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Acked-by: Pali Rohár <pali.rohar@gmail.com>
Acked-by: Darren Hart <dvhart@linux.intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
This commit is contained in:
Hans de Goede 2015-06-16 16:28:00 +02:00 committed by Rafael J. Wysocki
parent 358fefe78e
commit ee4cfe28ca
1 changed files with 2 additions and 6 deletions
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8
drivers/platform/x86/dell-laptop.c
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@ -31,6 +31,7 @@
#include <linux/slab.h>
#include <linux/debugfs.h>
#include <linux/seq_file.h>
#include <acpi/video.h>
#include "../../firmware/dcdbas.h"
#define BRIGHTNESS_TOKEN 0x7d
@ -1920,13 +1921,8 @@ static int __init dell_init(void)
debugfs_create_file("rfkill", 0444, dell_laptop_dir, NULL,
&dell_debugfs_fops);
#ifdef CONFIG_ACPI
/* In the event of an ACPI backlight being available, don't
* register the platform controller.
*/
if (acpi_video_backlight_support())
if (acpi_video_get_backlight_type() != acpi_backlight_vendor)
return 0;
#endif
get_buffer();
buffer->input[0] = find_token_location(BRIGHTNESS_TOKEN);