thinkpad-acpi: 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: Henrique de Moraes Holschuh <hmh@hmh.eng.br>
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/thinkpad_acpi.c b/drivers/platform/x86/thinkpad_acpi.c
index 28f3281..33e488c 100644 (file)
--- a/drivers/platform/x86/thinkpad_acpi.c
+++ b/drivers/platform/x86/thinkpad_acpi.c
@@ -83,6 +83,7 @@
 #include <sound/control.h>
 #include <sound/initval.h>
 #include <asm/uaccess.h>
+#include <acpi/video.h>
 
 /* ThinkPad CMOS commands */
 #define TP_CMOS_VOLUME_DOWN    0
@@ -3487,7 +3488,7 @@ static int __init hotkey_init(struct ibm_init_struct *iibm)
        /* Do not issue duplicate brightness change events to
         * userspace. tpacpi_detect_brightness_capabilities() must have
         * been called before this point  */
-       if (acpi_video_backlight_support()) {
+       if (acpi_video_get_backlight_type() != acpi_backlight_vendor) {
                pr_info("This ThinkPad has standard ACPI backlight "
                        "brightness control, supported by the ACPI "
                        "video driver\n");
@@ -6491,7 +6492,7 @@ static int __init brightness_init(struct ibm_init_struct *iibm)
                return 1;
        }
 
-       if (acpi_video_backlight_support()) {
+       if (acpi_video_get_backlight_type() != acpi_backlight_vendor) {
                if (brightness_enable > 1) {
                        pr_info("Standard ACPI backlight interface "
                                "available, not loading native one\n");