diff options
Diffstat (limited to 'drivers/staging/olpc_dcon/Kconfig')
| -rw-r--r-- | drivers/staging/olpc_dcon/Kconfig | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/drivers/staging/olpc_dcon/Kconfig b/drivers/staging/olpc_dcon/Kconfig index fe40e0b6f675..2ff015d84509 100644 --- a/drivers/staging/olpc_dcon/Kconfig +++ b/drivers/staging/olpc_dcon/Kconfig @@ -4,9 +4,14 @@ config FB_OLPC_DCON select I2C select BACKLIGHT_CLASS_DEVICE ---help--- - Add support for the OLPC XO DCON controller. This controller is - only available on OLPC platforms. Unless you have one of these - platforms, you will want to say 'N'. + In order to support very low power operation, the XO laptop uses a + secondary Display CONtroller, or DCON. This secondary controller + is present in the video pipeline between the primary display + controller (integrate into the processor or chipset) and the LCD + panel. It allows the main processor/display controller to be + completely powered off while still retaining an image on the display. + This controller is only available on OLPC platforms. Unless you have + one of these platforms, you will want to say 'N'. config FB_OLPC_DCON_1 bool "OLPC XO-1 DCON support" |