Documentation/ABI/testing/sysfs-devices-platform-sh_mobile_lcdc_fb

   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
   8                 Stores the alpha blending value for the overlay. Values range
   9                 from 0 (transparent) to 255 (opaque). The value is ignored if
  10                 the mode is not set to Alpha Blending.
  11
  12 What:           /sys/devices/platform/sh_mobile_lcdc_fb.[0-3]/graphics/fb[0-9]/ovl_mode
  13 Date:           May 2012
  14 Contact:        Laurent Pinchart <laurent.pinchart@ideasonboard.com>
  15 Description:
  16                 This file is only available on fb[0-9] devices corresponding
  17                 to overlay planes.
  18
  19                 Selects the composition mode for the overlay. Possible values
  20                 are
  21
  22                 0 - Alpha Blending
  23                 1 - ROP3
  24
  25 What:           /sys/devices/platform/sh_mobile_lcdc_fb.[0-3]/graphics/fb[0-9]/ovl_position
  26 Date:           May 2012
  27 Contact:        Laurent Pinchart <laurent.pinchart@ideasonboard.com>
  28 Description:
  29                 This file is only available on fb[0-9] devices corresponding
  30                 to overlay planes.
  31
  32                 Stores the x,y overlay position on the display in pixels. The
  33                 position format is `[0-9]+,[0-9]+'.
  34
  35 What:           /sys/devices/platform/sh_mobile_lcdc_fb.[0-3]/graphics/fb[0-9]/ovl_rop3
  36 Date:           May 2012
  37 Contact:        Laurent Pinchart <laurent.pinchart@ideasonboard.com>
  38 Description:
  39                 This file is only available on fb[0-9] devices corresponding
  40                 to overlay planes.
  41
  42                 Stores the raster operation (ROP3) for the overlay. Values
  43                 range from 0 to 255. The value is ignored if the mode is not
  44                 set to ROP3.