15 Jun
2012
15 Jun
'12
1:39 a.m.
On 06/13/2012 10:19 AM, Simon Glass wrote:
From: Wei Ni wni@nvidia.com
Add support for the LCD peripheral at the Tegra2 SOC level. A separate LCD driver will use this functionality to configure the display.
diff --git a/arch/arm/include/asm/arch-tegra2/display.h b/arch/arm/include/asm/arch-tegra2/display.h
+/**
- Perform the next stage of the LCD init if it is time to do so.
- LCD init can be time-consuming because of the number of delays we need
- while waiting for the backlight power supply, etc. This function can
- be called at various times during U-Boot operation to advance the
- initialization of the LCD to the next stage if sufficient time has
- passed since the last stage. It keeps track of what stage it is up to
- and the time that it is permitted to move to the next stage.
- The final call should have wait=1 to complete the init.
- @param blob fdt blob containing LCD information
- @param wait 1 to wait until all init is complete, and then return
0 to return immediately, potentially doing nothing if it is
not yet time for the next init.- */
+int tegra_lcd_check_next_stage(const void *blob, int wait);
The prototype in the header seems to be the only mention of this function.