What: /sys/devices/platform/sh_mobile_lcdc_fb.[0-3]/graphics/fb[0-9]/ovl_alpha
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Date: May 2012
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Contact: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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Description:
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This file is only available on fb[0-9] devices corresponding
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to overlay planes.
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Stores the alpha blending value for the overlay. Values range
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from 0 (transparent) to 255 (opaque). The value is ignored if
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the mode is not set to Alpha Blending.
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What: /sys/devices/platform/sh_mobile_lcdc_fb.[0-3]/graphics/fb[0-9]/ovl_mode
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Date: May 2012
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Contact: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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Description:
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This file is only available on fb[0-9] devices corresponding
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to overlay planes.
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Selects the composition mode for the overlay. Possible values
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are:
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- 0 - Alpha Blending
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- 1 - ROP3
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What: /sys/devices/platform/sh_mobile_lcdc_fb.[0-3]/graphics/fb[0-9]/ovl_position
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Date: May 2012
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Contact: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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Description:
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This file is only available on fb[0-9] devices corresponding
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to overlay planes.
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Stores the x,y overlay position on the display in pixels. The
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position format is `[0-9]+,[0-9]+`.
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What: /sys/devices/platform/sh_mobile_lcdc_fb.[0-3]/graphics/fb[0-9]/ovl_rop3
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Date: May 2012
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Contact: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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Description:
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This file is only available on fb[0-9] devices corresponding
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to overlay planes.
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Stores the raster operation (ROP3) for the overlay. Values
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range from 0 to 255. The value is ignored if the mode is not
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set to ROP3.
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