diff options
Diffstat (limited to 'drivers/acpi/video_detect.c')
| -rw-r--r-- | drivers/acpi/video_detect.c | 37 |
1 files changed, 24 insertions, 13 deletions
diff --git a/drivers/acpi/video_detect.c b/drivers/acpi/video_detect.c index e6bd910bc6e..c42feb2bacd 100644 --- a/drivers/acpi/video_detect.c +++ b/drivers/acpi/video_detect.c @@ -38,7 +38,7 @@ #include <linux/dmi.h> #include <linux/pci.h> -#define PREFIX "ACPI: " +#include "internal.h" ACPI_MODULE_NAME("video"); #define _COMPONENT ACPI_VIDEO_COMPONENT @@ -48,17 +48,16 @@ static bool acpi_video_caps_checked; static acpi_status acpi_backlight_cap_match(acpi_handle handle, u32 level, void *context, - void **retyurn_value) + void **return_value) { long *cap = context; - acpi_handle h_dummy; - if (ACPI_SUCCESS(acpi_get_handle(handle, "_BCM", &h_dummy)) && - ACPI_SUCCESS(acpi_get_handle(handle, "_BCL", &h_dummy))) { + if (acpi_has_method(handle, "_BCM") && + acpi_has_method(handle, "_BCL")) { ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Found generic backlight " "support\n")); *cap |= ACPI_VIDEO_BACKLIGHT; - if (ACPI_FAILURE(acpi_get_handle(handle, "_BQC", &h_dummy))) + if (!acpi_has_method(handle, "_BQC")) printk(KERN_WARNING FW_BUG PREFIX "No _BQC method, " "cannot determine initial brightness\n"); /* We have backlight support, no need to scan further */ @@ -77,22 +76,20 @@ acpi_backlight_cap_match(acpi_handle handle, u32 level, void *context, */ long acpi_is_video_device(acpi_handle handle) { - acpi_handle h_dummy; long video_caps = 0; /* Is this device able to support video switching ? */ - if (ACPI_SUCCESS(acpi_get_handle(handle, "_DOD", &h_dummy)) || - ACPI_SUCCESS(acpi_get_handle(handle, "_DOS", &h_dummy))) + if (acpi_has_method(handle, "_DOD") || acpi_has_method(handle, "_DOS")) video_caps |= ACPI_VIDEO_OUTPUT_SWITCHING; /* Is this device able to retrieve a video ROM ? */ - if (ACPI_SUCCESS(acpi_get_handle(handle, "_ROM", &h_dummy))) + if (acpi_has_method(handle, "_ROM")) video_caps |= ACPI_VIDEO_ROM_AVAILABLE; /* Is this device able to configure which video head to be POSTed ? */ - if (ACPI_SUCCESS(acpi_get_handle(handle, "_VPO", &h_dummy)) && - ACPI_SUCCESS(acpi_get_handle(handle, "_GPD", &h_dummy)) && - ACPI_SUCCESS(acpi_get_handle(handle, "_SPD", &h_dummy))) + if (acpi_has_method(handle, "_VPO") && + acpi_has_method(handle, "_GPD") && + acpi_has_method(handle, "_SPD")) video_caps |= ACPI_VIDEO_DEVICE_POSTING; /* Only check for backlight functionality if one of the above hit. */ @@ -169,6 +166,14 @@ static struct dmi_system_id video_detect_dmi_table[] = { DMI_MATCH(DMI_PRODUCT_NAME, "UL30A"), }, }, + { + .callback = video_detect_force_vendor, + .ident = "Dell Inspiron 5737", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."), + DMI_MATCH(DMI_PRODUCT_NAME, "Inspiron 5737"), + }, + }, { }, }; @@ -234,6 +239,12 @@ static void acpi_video_caps_check(void) acpi_video_get_capabilities(NULL); } +bool acpi_osi_is_win8(void) +{ + return acpi_gbl_osi_data >= ACPI_OSI_WIN_8; +} +EXPORT_SYMBOL(acpi_osi_is_win8); + /* Promote the vendor interface instead of the generic video module. * This function allow DMI blacklists to be implemented by externals * platform drivers instead of putting a big blacklist in video_detect.c |