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44 lines
1.5 KiB
44 lines
1.5 KiB
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 <[email protected]> |
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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 <[email protected]> |
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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 <[email protected]> |
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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 <[email protected]> |
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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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