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author | Alexander Graf <agraf@suse.de> | 2013-08-29 02:41:59 +0400 |
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committer | Alexander Graf <agraf@suse.de> | 2013-08-29 02:41:59 +0400 |
commit | bf550fc93d9855872a95e69e4002256110d89858 (patch) | |
tree | 10876bb4304bffe54c4160a132e7b8de6577ac4e /Documentation/power/video_extension.txt | |
parent | 7e48c101e0c53e6095c5f4f5e63d14df50aae8fc (diff) | |
parent | cc2df20c7c4ce594c3e17e9cc260c330646012c8 (diff) | |
download | linux-bf550fc93d9855872a95e69e4002256110d89858.tar.xz |
Merge remote-tracking branch 'origin/next' into kvm-ppc-next
Conflicts:
mm/Kconfig
CMA DMA split and ZSWAP introduction were conflicting, fix up manually.
Diffstat (limited to 'Documentation/power/video_extension.txt')
-rw-r--r-- | Documentation/power/video_extension.txt | 37 |
1 files changed, 0 insertions, 37 deletions
diff --git a/Documentation/power/video_extension.txt b/Documentation/power/video_extension.txt deleted file mode 100644 index b2f9b1598ac2..000000000000 --- a/Documentation/power/video_extension.txt +++ /dev/null @@ -1,37 +0,0 @@ -ACPI video extensions -~~~~~~~~~~~~~~~~~~~~~ - -This driver implement the ACPI Extensions For Display Adapters for -integrated graphics devices on motherboard, as specified in ACPI 2.0 -Specification, Appendix B, allowing to perform some basic control like -defining the video POST device, retrieving EDID information or to -setup a video output, etc. Note that this is an ref. implementation -only. It may or may not work for your integrated video device. - -Interfaces exposed to userland through /proc/acpi/video: - -VGA/info : display the supported video bus device capability like Video ROM, CRT/LCD/TV. -VGA/ROM : Used to get a copy of the display devices' ROM data (up to 4k). -VGA/POST_info : Used to determine what options are implemented. -VGA/POST : Used to get/set POST device. -VGA/DOS : Used to get/set ownership of output switching: - Please refer ACPI spec B.4.1 _DOS -VGA/CRT : CRT output -VGA/LCD : LCD output -VGA/TVO : TV output -VGA/*/brightness : Used to get/set brightness of output device - -Notify event through /proc/acpi/event: - -#define ACPI_VIDEO_NOTIFY_SWITCH 0x80 -#define ACPI_VIDEO_NOTIFY_PROBE 0x81 -#define ACPI_VIDEO_NOTIFY_CYCLE 0x82 -#define ACPI_VIDEO_NOTIFY_NEXT_OUTPUT 0x83 -#define ACPI_VIDEO_NOTIFY_PREV_OUTPUT 0x84 - -#define ACPI_VIDEO_NOTIFY_CYCLE_BRIGHTNESS 0x82 -#define ACPI_VIDEO_NOTIFY_INC_BRIGHTNESS 0x83 -#define ACPI_VIDEO_NOTIFY_DEC_BRIGHTNESS 0x84 -#define ACPI_VIDEO_NOTIFY_ZERO_BRIGHTNESS 0x85 -#define ACPI_VIDEO_NOTIFY_DISPLAY_OFF 0x86 - |