sysfs-devices-platform-sh_mobile_lcdc_fb 1.5 KB

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  1. What: /sys/devices/platform/sh_mobile_lcdc_fb.[0-3]/graphics/fb[0-9]/ovl_alpha
  2. Date: May 2012
  3. Contact: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
  4. Description:
  5. This file is only available on fb[0-9] devices corresponding
  6. to overlay planes.
  7. Stores the alpha blending value for the overlay. Values range
  8. from 0 (transparent) to 255 (opaque). The value is ignored if
  9. the mode is not set to Alpha Blending.
  10. What: /sys/devices/platform/sh_mobile_lcdc_fb.[0-3]/graphics/fb[0-9]/ovl_mode
  11. Date: May 2012
  12. Contact: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
  13. Description:
  14. This file is only available on fb[0-9] devices corresponding
  15. to overlay planes.
  16. Selects the composition mode for the overlay. Possible values
  17. are:
  18. - 0 - Alpha Blending
  19. - 1 - ROP3
  20. What: /sys/devices/platform/sh_mobile_lcdc_fb.[0-3]/graphics/fb[0-9]/ovl_position
  21. Date: May 2012
  22. Contact: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
  23. Description:
  24. This file is only available on fb[0-9] devices corresponding
  25. to overlay planes.
  26. Stores the x,y overlay position on the display in pixels. The
  27. position format is `[0-9]+,[0-9]+`.
  28. What: /sys/devices/platform/sh_mobile_lcdc_fb.[0-3]/graphics/fb[0-9]/ovl_rop3
  29. Date: May 2012
  30. Contact: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
  31. Description:
  32. This file is only available on fb[0-9] devices corresponding
  33. to overlay planes.
  34. Stores the raster operation (ROP3) for the overlay. Values
  35. range from 0 to 255. The value is ignored if the mode is not
  36. set to ROP3.