video: cfb_console: add weak default video_set_lut()

[karo-tx-uboot.git] / drivers / video / cfb_console.c

diff --git a/drivers/video/cfb_console.c b/drivers/video/cfb_console.c
index d1f47c9157130a20678199d72e30a4c1c57c3004..96d52fbaea1c1bd299e8b4bc8a813d15669e6796 100644 (file)
--- a/drivers/video/cfb_console.c
+++ b/drivers/video/cfb_console.c
@@ -749,6 +749,18 @@ void video_puts (const char *s)
 
 /*****************************************************************************/
 
+/*
+ * Do not enforce drivers (or board code) to provide empty
+ * video_set_lut() if they do not support 8 bpp format.
+ * Implement weak default function instead.
+ */
+void __video_set_lut (unsigned int index, unsigned char r,
+                     unsigned char g, unsigned char b)
+{
+}
+void video_set_lut (unsigned int, unsigned char, unsigned char, unsigned char)
+                       __attribute__((weak, alias("__video_set_lut")));
+
 #if defined(CONFIG_CMD_BMP) || defined(CONFIG_SPLASH_SCREEN)
 
 #define FILL_8BIT_332RGB(r,g,b)        {                       \