| 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. |
