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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.
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