From 7f0df40a68cbd7f4b319bf334f16e2c3c344dc59 Mon Sep 17 00:00:00 2001
From: Grazvydas Ignotas <notasas@gmail.com>
Date: Fri, 18 Jan 2013 01:48:36 +0200
Subject: [PATCH] op_runfbapp: handle scaler layer on minimize

Fixes minimize for Temper.
---
 op_runfbapp.c | 66 +++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 66 insertions(+)

diff --git a/op_runfbapp.c b/op_runfbapp.c
index 2226827..4a5abb3 100644
--- a/op_runfbapp.c
+++ b/op_runfbapp.c
@@ -43,6 +43,9 @@
 #include <signal.h>
 #include <linux/kd.h>
 
+#define __user
+#include "omapfb.h"
+
 #define PFX "op_runfbapp: "
 
 static struct termios g_kbd_termios_saved;
@@ -92,6 +95,63 @@ static void x11h_wait_vmstate(Display *display)
 	fprintf(stderr, "timeout waiting for wm_state change\n");
 }
 
+static struct omapfb_plane_info omap_pi;
+
+static int hide_omap_layer(void)
+{
+	int retval = -1;
+	int ret;
+	int fd;
+
+	fd = open("/dev/fb1", O_RDWR);
+	if (fd == -1) {
+		perror("open(/dev/fb1)");
+		return -1;
+	}
+
+	ret = ioctl(fd, OMAPFB_QUERY_PLANE, &omap_pi);
+	if (ret != 0) {
+		perror("QUERY_PLANE");
+		goto out;
+	}
+
+	if (omap_pi.enabled) {
+		omap_pi.enabled = 0;
+		ret = ioctl(fd, OMAPFB_SETUP_PLANE, &omap_pi);
+		if (ret != 0) {
+			perror("SETUP_PLANE");
+			goto out;
+		}
+		retval = 1;
+	}
+	else {
+		retval = 0;
+	}
+
+out:
+	close(fd);
+	return retval;
+}
+
+static void show_omap_layer(void)
+{
+	int ret;
+	int fd;
+
+	fd = open("/dev/fb1", O_RDWR);
+	if (fd == -1) {
+		perror("open(/dev/fb1)");
+		return;
+	}
+
+	omap_pi.enabled = 1;
+	ret = ioctl(fd, OMAPFB_SETUP_PLANE, &omap_pi);
+	if (ret != 0)
+		perror("SETUP_PLANE");
+
+	close(fd);
+}
+
 static int x11h_minimize(Display *display, Window window)
 {
 	XSetWindowAttributes attributes;
@@ -158,6 +218,7 @@ static void *x11_handler(void *arg)
 	XEvent evt;
 	Display *display;
 	int screen;
+	int ret;
 
 	display = XOpenDisplay(NULL);
 	if (display == NULL)
@@ -207,7 +268,12 @@ static void *x11_handler(void *arg)
 			if (XLookupKeysym(&evt.xkey, 0) == XF86XK_MenuKB
 			    && g_child_pid != 0) {
 				kill(g_child_pid, SIGSTOP);
+
+				ret = hide_omap_layer();
 				x11h_minimize(display, win);
+				if (ret > 0)
+					show_omap_layer();
+
 				kill(g_child_pid, SIGCONT);
 			}
 			break;
-- 
2.39.2