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asus-laptop: Port to new backlight interface selection API

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

This commit also removes various obsolete pr_xxx messages related to
backlight interface selection. These are obsolete because they assume
there is only a vendor or acpi backlight driver and no other choice.
Also they are not necessary, if the user wants to know which backlight
interfaces are registered a simple "ls /sys/class/backlight" suffices.

Signed-off-by: Hans de Goede <hdegoede@redhat.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 16:27:57 +02:00 committed by Rafael J. Wysocki
parent 86ac056a30
commit 8b9e6b70a1
1 changed files with 3 additions and 3 deletions
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6
drivers/platform/x86/asus-laptop.c
View file

@ -54,6 +54,7 @@
#include <linux/slab.h>
#include <linux/dmi.h>
#include <linux/acpi.h>
#include <acpi/video.h>
#define ASUS_LAPTOP_VERSION "0.42"
@ -1884,12 +1885,11 @@ static int asus_acpi_add(struct acpi_device *device)
if (result)
goto fail_platform;
if (!acpi_video_backlight_support()) {
if (acpi_video_get_backlight_type() == acpi_backlight_vendor) {
result = asus_backlight_init(asus);
if (result)
goto fail_backlight;
} else
pr_info("Backlight controlled by ACPI video driver\n");
}
result = asus_input_init(asus);
if (result)