aboutsummaryrefslogtreecommitdiffstats
path: root/drivers/platform/x86/samsung-laptop.c
diff options
context:
space:
mode:
authorCorentin Chary <corentin.chary@gmail.com>2012-06-13 09:32:02 +0200
committerMatthew Garrett <mjg@redhat.com>2012-07-28 00:11:48 -0400
commita60b21763cce01c64cc537869662b41429c62e5f (patch)
treece4f466fd454dcb0cbf0759c9d530c698cf31b71 /drivers/platform/x86/samsung-laptop.c
parentacpi: add a way to promote/demote vendor backlight drivers (diff)
downloadlinux-dev-a60b21763cce01c64cc537869662b41429c62e5f.tar.xz
linux-dev-a60b21763cce01c64cc537869662b41429c62e5f.zip
drivers-platform-x86: use acpi_video_dmi_promote_vendor()
Instead of using directly acpi_video_unregister(), use acpi_video_dmi_promote_vendor() (and make it call acpi_video_unregister() if needed) Signed-off-by: Corentin Chary <corentin.chary@gmail.com> Signed-off-by: Matthew Garrett <mjg@redhat.com>
Diffstat (limited to 'drivers/platform/x86/samsung-laptop.c')
-rw-r--r--drivers/platform/x86/samsung-laptop.c22
1 files changed, 12 insertions, 10 deletions
diff --git a/drivers/platform/x86/samsung-laptop.c b/drivers/platform/x86/samsung-laptop.c
index e2a34b42ddc1..2cbccc1b4b68 100644
--- a/drivers/platform/x86/samsung-laptop.c
+++ b/drivers/platform/x86/samsung-laptop.c
@@ -26,7 +26,7 @@
#include <linux/seq_file.h>
#include <linux/debugfs.h>
#include <linux/ctype.h>
-#if (defined CONFIG_ACPI_VIDEO || defined CONFIG_ACPI_VIDEO_MODULE)
+#ifdef CONFIG_ACPI_VIDEO
#include <acpi/video.h>
#endif
@@ -1530,15 +1530,18 @@ static int __init samsung_init(void)
samsung->quirks = quirks;
-#if (defined CONFIG_ACPI_VIDEO || defined CONFIG_ACPI_VIDEO_MODULE)
+#ifdef CONFIG_ACPI
+ if (samsung->quirks->broken_acpi_video)
+ acpi_video_dmi_promote_vendor();
+
/* Don't handle backlight here if the acpi video already handle it */
if (acpi_video_backlight_support()) {
- if (samsung->quirks->broken_acpi_video) {
- pr_info("Disabling ACPI video driver\n");
- acpi_video_unregister();
- } else {
- samsung->handle_backlight = false;
- }
+ samsung->handle_backlight = false;
+ } else if (samsung->quirks->broken_acpi_video) {
+ pr_info("Disabling ACPI video driver\n");
+#ifdef CONFIG_ACPI_VIDEO
+ acpi_video_unregister();
+#endif
}
#endif
@@ -1552,8 +1555,7 @@ static int __init samsung_init(void)
#ifdef CONFIG_ACPI
/* Only log that if we are really on a sabi platform */
- if (acpi_video_backlight_support() &&
- !samsung->quirks->broken_acpi_video)
+ if (acpi_video_backlight_support())
pr_info("Backlight controlled by ACPI video driver\n");
#endif