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-rw-r--r--minui/graphics.c10
-rw-r--r--minui/minui.h3
2 files changed, 13 insertions, 0 deletions
diff --git a/minui/graphics.c b/minui/graphics.c
index 57ca810f0..fa8e5109a 100644
--- a/minui/graphics.c
+++ b/minui/graphics.c
@@ -14,6 +14,7 @@
* limitations under the License.
*/
+#include <stdbool.h>
#include <stdlib.h>
#include <unistd.h>
@@ -364,3 +365,12 @@ gr_pixel *gr_fb_data(void)
{
return (unsigned short *) gr_mem_surface.data;
}
+
+void gr_fb_blank(bool blank)
+{
+ int ret;
+
+ ret = ioctl(gr_fb_fd, FBIOBLANK, blank ? FB_BLANK_POWERDOWN : FB_BLANK_UNBLANK);
+ if (ret < 0)
+ perror("ioctl(): blank");
+}
diff --git a/minui/minui.h b/minui/minui.h
index 5496b0903..2284a3374 100644
--- a/minui/minui.h
+++ b/minui/minui.h
@@ -17,6 +17,8 @@
#ifndef _MINUI_H_
#define _MINUI_H_
+#include <stdbool.h>
+
typedef void* gr_surface;
typedef unsigned short gr_pixel;
@@ -27,6 +29,7 @@ int gr_fb_width(void);
int gr_fb_height(void);
gr_pixel *gr_fb_data(void);
void gr_flip(void);
+void gr_fb_blank(bool blank);
void gr_color(unsigned char r, unsigned char g, unsigned char b, unsigned char a);
void gr_fill(int x, int y, int w, int h);