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Diffstat (limited to 'Documentation/ABI/testing/sysfs-firmware-acpi')
| -rw-r--r-- | Documentation/ABI/testing/sysfs-firmware-acpi | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/Documentation/ABI/testing/sysfs-firmware-acpi b/Documentation/ABI/testing/sysfs-firmware-acpi index 4f9ba3c2fca..dd930c8db41 100644 --- a/Documentation/ABI/testing/sysfs-firmware-acpi +++ b/Documentation/ABI/testing/sysfs-firmware-acpi @@ -1,3 +1,23 @@ +What: /sys/firmware/acpi/bgrt/ +Date: January 2012 +Contact: Matthew Garrett <mjg@redhat.com> +Description: + The BGRT is an ACPI 5.0 feature that allows the OS + to obtain a copy of the firmware boot splash and + some associated metadata. This is intended to be used + by boot splash applications in order to interact with + the firmware boot splash in order to avoid jarring + transitions. + + image: The image bitmap. Currently a 32-bit BMP. + status: 1 if the image is valid, 0 if firmware invalidated it. + type: 0 indicates image is in BMP format. + version: The version of the BGRT. Currently 1. + xoffset: The number of pixels between the left of the screen + and the left edge of the image. + yoffset: The number of pixels between the top of the screen + and the top edge of the image. + What: /sys/firmware/acpi/interrupts/ Date: February 2008 Contact: Len Brown <lenb@kernel.org> |