From cbb594dcbc64d4e91304e500524b59bc5e2ee44d Mon Sep 17 00:00:00 2001
From: wangbowen6 <wangbowen6@xiaomi.com>
Date: Mon, 10 Apr 2023 10:57:57 +0800
Subject: [PATCH] sim: add set/get_power for sim_framebuffer.c

add set/get_power operation for sim_framebuffer to avoid assert
in fb_ioctl(cmd= FBIOSET_POWER/FBIOGET_POWER)

Signed-off-by: wangbowen6 <wangbowen6@xiaomi.com>
---
 arch/sim/src/sim/sim_framebuffer.c | 36 ++++++++++++++++++++++++++++++
 1 file changed, 36 insertions(+)

diff --git a/arch/sim/src/sim/sim_framebuffer.c b/arch/sim/src/sim/sim_framebuffer.c
index 66c2784164..6ed5234c09 100644
--- a/arch/sim/src/sim/sim_framebuffer.c
+++ b/arch/sim/src/sim/sim_framebuffer.c
@@ -100,6 +100,11 @@ static int sim_setcursor(struct fb_vtable_s *vtable,
 static int sim_openwindow(struct fb_vtable_s *vtable);
 static int sim_closewindow(struct fb_vtable_s *vtable);
 
+/* Get/set the panel power status (0: full off). */
+
+static int sim_getpower(struct fb_vtable_s *vtable);
+static int sim_setpower(struct fb_vtable_s *vtable, int power);
+
 /****************************************************************************
  * Private Data
  ****************************************************************************/
@@ -110,6 +115,8 @@ static int sim_closewindow(struct fb_vtable_s *vtable);
 static uint8_t g_fb[FB_SIZE];
 #endif
 
+static int g_fb_power = 100;
+
 /* This structure describes the simulated video controller */
 
 static const struct fb_videoinfo_s g_videoinfo =
@@ -168,6 +175,8 @@ static struct fb_vtable_s g_fbobject =
 
   .open          = sim_openwindow,
   .close         = sim_closewindow,
+  .getpower      = sim_getpower,
+  .setpower      = sim_setpower,
 };
 
 /****************************************************************************
@@ -372,6 +381,33 @@ static int sim_setcursor(struct fb_vtable_s *vtable,
 }
 #endif
 
+/****************************************************************************
+ * Name: sim_getpower
+ ****************************************************************************/
+
+static int sim_getpower(struct fb_vtable_s *vtable)
+{
+  ginfo("vtable=%p power=%d\n", vtable, g_fb_power);
+  return g_fb_power;
+}
+
+/****************************************************************************
+ * Name: sim_setpower
+ ****************************************************************************/
+
+static int sim_setpower(struct fb_vtable_s *vtable, int power)
+{
+  ginfo("vtable=%p power=%d\n", vtable, power);
+  if (power < 0)
+    {
+      gerr("ERROR: power=%d < 0\n", power);
+      return -EINVAL;
+    }
+
+  g_fb_power = power;
+  return OK;
+}
+
 /****************************************************************************
  * Public Functions
  ****************************************************************************/