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authorLinus Torvalds <torvalds@linux-foundation.org>2013-05-01 00:21:02 +0200
committerLinus Torvalds <torvalds@linux-foundation.org>2013-05-01 00:21:02 +0200
commit3ed1c478eff8db80e234d5446cb378b503135888 (patch)
treee1c8e0f488ca49c49b5a31fe59add4254381dd4b /drivers/acpi/video_detect.c
parentMerge tag 'for-v3.10' of git://git.infradead.org/battery-2.6 (diff)
parentMerge branch 'pm-cpufreq' (diff)
downloadlinux-3ed1c478eff8db80e234d5446cb378b503135888.tar.xz
linux-3ed1c478eff8db80e234d5446cb378b503135888.zip
Merge tag 'pm+acpi-3.10-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull power management and ACPI updates from Rafael J Wysocki: - ARM big.LITTLE cpufreq driver from Viresh Kumar. - exynos5440 cpufreq driver from Amit Daniel Kachhap. - cpufreq core cleanup and code consolidation from Viresh Kumar and Stratos Karafotis. - cpufreq scalability improvement from Nathan Zimmer. - AMD "frequency sensitivity feedback" powersave bias for the ondemand cpufreq governor from Jacob Shin. - cpuidle code consolidation and cleanups from Daniel Lezcano. - ARM OMAP cpuidle fixes from Santosh Shilimkar and Daniel Lezcano. - ACPICA fixes and other improvements from Bob Moore, Jung-uk Kim, Lv Zheng, Yinghai Lu, Tang Chen, Colin Ian King, and Linn Crosetto. - ACPI core updates related to hotplug from Toshi Kani, Paul Bolle, Yasuaki Ishimatsu, and Rafael J Wysocki. - Intel Lynxpoint LPSS (Low-Power Subsystem) support improvements from Rafael J Wysocki and Andy Shevchenko. * tag 'pm+acpi-3.10-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: (192 commits) cpufreq: Revert incorrect commit 5800043 cpufreq: MAINTAINERS: Add co-maintainer cpuidle: add maintainer entry ACPI / thermal: do not always return THERMAL_TREND_RAISING for active trip points ARM: s3c64xx: cpuidle: use init/exit common routine cpufreq: pxa2xx: initialize variables ACPI: video: correct acpi_video_bus_add error processing SH: cpuidle: use init/exit common routine ARM: S5pv210: compiling issue, ARM_S5PV210_CPUFREQ needs CONFIG_CPU_FREQ_TABLE=y ACPI: Fix wrong parameter passed to memblock_reserve cpuidle: fix comment format pnp: use %*phC to dump small buffers isapnp: remove debug leftovers ARM: imx: cpuidle: use init/exit common routine ARM: davinci: cpuidle: use init/exit common routine ARM: kirkwood: cpuidle: use init/exit common routine ARM: calxeda: cpuidle: use init/exit common routine ARM: tegra: cpuidle: use init/exit common routine for tegra3 ARM: tegra: cpuidle: use init/exit common routine for tegra2 ARM: OMAP4: cpuidle: use init/exit common routine ...
Diffstat (limited to 'drivers/acpi/video_detect.c')
-rw-r--r--drivers/acpi/video_detect.c25
1 files changed, 11 insertions, 14 deletions
diff --git a/drivers/acpi/video_detect.c b/drivers/acpi/video_detect.c
index 4ac2593234e7..66f67626f02e 100644
--- a/drivers/acpi/video_detect.c
+++ b/drivers/acpi/video_detect.c
@@ -67,40 +67,37 @@ acpi_backlight_cap_match(acpi_handle handle, u32 level, void *context,
return 0;
}
-/* Returns true if the device is a video device which can be handled by
- * video.ko.
+/* Returns true if the ACPI object is a video device which can be
+ * handled by video.ko.
* The device will get a Linux specific CID added in scan.c to
* identify the device as an ACPI graphics device
* Be aware that the graphics device may not be physically present
* Use acpi_video_get_capabilities() to detect general ACPI video
* capabilities of present cards
*/
-long acpi_is_video_device(struct acpi_device *device)
+long acpi_is_video_device(acpi_handle handle)
{
acpi_handle h_dummy;
long video_caps = 0;
- if (!device)
- return 0;
-
/* Is this device able to support video switching ? */
- if (ACPI_SUCCESS(acpi_get_handle(device->handle, "_DOD", &h_dummy)) ||
- ACPI_SUCCESS(acpi_get_handle(device->handle, "_DOS", &h_dummy)))
+ if (ACPI_SUCCESS(acpi_get_handle(handle, "_DOD", &h_dummy)) ||
+ ACPI_SUCCESS(acpi_get_handle(handle, "_DOS", &h_dummy)))
video_caps |= ACPI_VIDEO_OUTPUT_SWITCHING;
/* Is this device able to retrieve a video ROM ? */
- if (ACPI_SUCCESS(acpi_get_handle(device->handle, "_ROM", &h_dummy)))
+ if (ACPI_SUCCESS(acpi_get_handle(handle, "_ROM", &h_dummy)))
video_caps |= ACPI_VIDEO_ROM_AVAILABLE;
/* Is this device able to configure which video head to be POSTed ? */
- if (ACPI_SUCCESS(acpi_get_handle(device->handle, "_VPO", &h_dummy)) &&
- ACPI_SUCCESS(acpi_get_handle(device->handle, "_GPD", &h_dummy)) &&
- ACPI_SUCCESS(acpi_get_handle(device->handle, "_SPD", &h_dummy)))
+ 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)))
video_caps |= ACPI_VIDEO_DEVICE_POSTING;
/* Only check for backlight functionality if one of the above hit. */
if (video_caps)
- acpi_walk_namespace(ACPI_TYPE_DEVICE, device->handle,
+ acpi_walk_namespace(ACPI_TYPE_DEVICE, handle,
ACPI_UINT32_MAX, acpi_backlight_cap_match, NULL,
&video_caps, NULL);
@@ -127,7 +124,7 @@ find_video(acpi_handle handle, u32 lvl, void *context, void **rv)
if (!dev)
return AE_OK;
pci_dev_put(dev);
- *cap |= acpi_is_video_device(acpi_dev);
+ *cap |= acpi_is_video_device(handle);
}
return AE_OK;
}