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Diffstat (limited to 'drivers/platform/x86/samsung-laptop.c')
-rw-r--r--drivers/platform/x86/samsung-laptop.c41
1 files changed, 31 insertions, 10 deletions
diff --git a/drivers/platform/x86/samsung-laptop.c b/drivers/platform/x86/samsung-laptop.c
index e2a34b42ddc..c1ca7bcebb6 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
@@ -1465,6 +1465,15 @@ static struct dmi_system_id __initdata samsung_dmi_table[] = {
DMI_MATCH(DMI_CHASSIS_TYPE, "14"), /* Sub-Notebook */
},
},
+ /* DMI ids for laptops with bad Chassis Type */
+ {
+ .ident = "R40/R41",
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "SAMSUNG ELECTRONICS CO., LTD."),
+ DMI_MATCH(DMI_PRODUCT_NAME, "R40/R41"),
+ DMI_MATCH(DMI_BOARD_NAME, "R40/R41"),
+ },
+ },
/* Specific DMI ids for laptop with quirks */
{
.callback = samsung_dmi_matched,
@@ -1506,6 +1515,16 @@ static struct dmi_system_id __initdata samsung_dmi_table[] = {
},
.driver_data = &samsung_broken_acpi_video,
},
+ {
+ .callback = samsung_dmi_matched,
+ .ident = "X360",
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "SAMSUNG ELECTRONICS CO., LTD."),
+ DMI_MATCH(DMI_PRODUCT_NAME, "X360"),
+ DMI_MATCH(DMI_BOARD_NAME, "X360"),
+ },
+ .driver_data = &samsung_broken_acpi_video,
+ },
{ },
};
MODULE_DEVICE_TABLE(dmi, samsung_dmi_table);
@@ -1530,15 +1549,18 @@ 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 +1574,7 @@ 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