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path: root/drivers/acpi/video_detect.c
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Diffstat (limited to 'drivers/acpi/video_detect.c')
-rw-r--r--drivers/acpi/video_detect.c19
1 files changed, 8 insertions, 11 deletions
diff --git a/drivers/acpi/video_detect.c b/drivers/acpi/video_detect.c
index c3397748ba46..940edbf2fe8f 100644
--- a/drivers/acpi/video_detect.c
+++ b/drivers/acpi/video_detect.c
@@ -53,14 +53,13 @@ acpi_backlight_cap_match(acpi_handle handle, u32 level, void *context,
void **retyurn_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 */
@@ -79,22 +78,20 @@ 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. */