From: Hans de Goede <hdegoede@redhat.com>
Date: Tue, 16 Jun 2015 14:28:00 +0000 (+0200)
Subject: dell-laptop: Port to new backlight interface selection API
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=ee4cfe28ca2969e3ba5a178aa085ea2fe3617e4d;p=GitHub%2Fmoto-9609%2Fandroid_kernel_motorola_exynos9610.git

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>
---

diff --git a/drivers/platform/x86/dell-laptop.c b/drivers/platform/x86/dell-laptop.c
index d688d806a8a5..01d081052b50 100644
--- a/drivers/platform/x86/dell-laptop.c
+++ b/drivers/platform/x86/dell-laptop.c
@@ -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);