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video: lcd: Make splash_screen_prepare weak, remove config macro 

Remove CONFIG_SPLASH_SCREEN_PREPARE from README
Add doc/README.splashprepare to document functionality

Signed-off-by: Robert Winkler <robert.winkler@boundarydevices.com>
Acked-by: Igor Grinberg <grinberg@compulab.co.il>
utp
Robert Winkler 2013-06-17 11:31:30 -07:00 committed by Anatolij Gustschin
parent dd4425e852
commit 59b1592211
3 changed files with 12 additions and 17 deletions
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8
README
View File

@ -1642,14 +1642,6 @@ CBFS (Coreboot Filesystem) support
=> vertically centered image
at x = dspWidth - bmpWidth - 9
CONFIG_SPLASH_SCREEN_PREPARE
If this option is set then the board_splash_screen_prepare()
function, which must be defined in your code, is called as part
of the splash screen display sequence. It gives the board an
opportunity to prepare the splash image data before it is
processed and sent to the frame buffer by U-Boot.
- Gzip compressed BMP image support: CONFIG_VIDEO_BMP_GZIP
If this option is set, additionally to standard BMP

13
common/splash.c
View File

@ -21,16 +21,11 @@
*/
#include <splash.h>
#include <config.h>
#ifdef CONFIG_SPLASH_SCREEN_PREPARE
int splash_screen_prepare(void)
{
return board_splash_screen_prepare();
}
#else
int splash_screen_prepare(void)
int __splash_screen_prepare(void)
{
return 0;
}
#endif
int splash_screen_prepare(void)
__attribute__ ((weak, alias("__splash_screen_prepare")));

8
doc/README.splashprepare 100644
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@ -0,0 +1,8 @@
---------------------------------------------------------------------
Splash Screen
---------------------------------------------------------------------
The splash_screen_prepare() function is a weak function defined in
common/splash.c. It is called as part of the splash screen display
sequence. It gives the board an opportunity to prepare the splash
image data before it is processed and sent to the frame buffer by
U-Boot. Define your own version to use this feature.