mirror of
https://github.com/edk2-porting/linux-next.git
synced 2024-12-24 05:04:00 +08:00
c5deac3c9b
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
45 lines
1.5 KiB
Plaintext
45 lines
1.5 KiB
Plaintext
What: /sys/devices/platform/sh_mobile_lcdc_fb.[0-3]/graphics/fb[0-9]/ovl_alpha
|
|
Date: May 2012
|
|
Contact: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
|
|
Description:
|
|
This file is only available on fb[0-9] devices corresponding
|
|
to overlay planes.
|
|
|
|
Stores the alpha blending value for the overlay. Values range
|
|
from 0 (transparent) to 255 (opaque). The value is ignored if
|
|
the mode is not set to Alpha Blending.
|
|
|
|
What: /sys/devices/platform/sh_mobile_lcdc_fb.[0-3]/graphics/fb[0-9]/ovl_mode
|
|
Date: May 2012
|
|
Contact: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
|
|
Description:
|
|
This file is only available on fb[0-9] devices corresponding
|
|
to overlay planes.
|
|
|
|
Selects the composition mode for the overlay. Possible values
|
|
are
|
|
|
|
0 - Alpha Blending
|
|
1 - ROP3
|
|
|
|
What: /sys/devices/platform/sh_mobile_lcdc_fb.[0-3]/graphics/fb[0-9]/ovl_position
|
|
Date: May 2012
|
|
Contact: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
|
|
Description:
|
|
This file is only available on fb[0-9] devices corresponding
|
|
to overlay planes.
|
|
|
|
Stores the x,y overlay position on the display in pixels. The
|
|
position format is `[0-9]+,[0-9]+'.
|
|
|
|
What: /sys/devices/platform/sh_mobile_lcdc_fb.[0-3]/graphics/fb[0-9]/ovl_rop3
|
|
Date: May 2012
|
|
Contact: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
|
|
Description:
|
|
This file is only available on fb[0-9] devices corresponding
|
|
to overlay planes.
|
|
|
|
Stores the raster operation (ROP3) for the overlay. Values
|
|
range from 0 to 255. The value is ignored if the mode is not
|
|
set to ROP3.
|