From 6ea05b93ab7286d3d19f14bcd3aba571acb9c10b Mon Sep 17 00:00:00 2001
From: Dan Nixon <dan@dan-nixon.com>
Date: Fri, 9 Jun 2017 12:46:34 +0100
Subject: [PATCH] Add setting of MAX7456 image options

---
 src/main/drivers/display.h        | 3 +++
 src/main/fc/settings.c            | 3 +++
 src/main/io/displayport_max7456.c | 4 ++++
 3 files changed, 10 insertions(+)

diff --git a/src/main/drivers/display.h b/src/main/drivers/display.h
index cadf31f615..1cecb77ca7 100644
--- a/src/main/drivers/display.h
+++ b/src/main/drivers/display.h
@@ -46,6 +46,9 @@ typedef struct displayPortVTable_s {
 typedef struct displayPortProfile_s {
     int8_t colAdjust;
     int8_t rowAdjust;
+    bool invert;
+    uint8_t blackBrightness;
+    uint8_t whiteBrightness;
 } displayPortProfile_t;
 
 void displayGrab(displayPort_t *instance);
diff --git a/src/main/fc/settings.c b/src/main/fc/settings.c
index a1cfb2d0ed..d1542a23d6 100644
--- a/src/main/fc/settings.c
+++ b/src/main/fc/settings.c
@@ -700,6 +700,9 @@ const clivalue_t valueTable[] = {
 #ifdef USE_MAX7456
     { "displayport_max7456_col_adjust", VAR_INT8| MASTER_VALUE, .config.minmax = { -6, 0 }, PG_DISPLAY_PORT_MAX7456_CONFIG, offsetof(displayPortProfile_t, colAdjust) },
     { "displayport_max7456_row_adjust", VAR_INT8| MASTER_VALUE, .config.minmax = { -3, 0 }, PG_DISPLAY_PORT_MAX7456_CONFIG, offsetof(displayPortProfile_t, rowAdjust) },
+    { "displayport_max7456_inv",        VAR_UINT8| MASTER_VALUE | MODE_LOOKUP, .config.lookup = { TABLE_OFF_ON }, PG_DISPLAY_PORT_MAX7456_CONFIG, offsetof(displayPortProfile_t, invert) },
+    { "displayport_max7456_blk",        VAR_UINT8| MASTER_VALUE, .config.minmax = { 0, 3 }, PG_DISPLAY_PORT_MAX7456_CONFIG, offsetof(displayPortProfile_t, blackBrightness) },
+    { "displayport_max7456_wht",        VAR_UINT8| MASTER_VALUE, .config.minmax = { 0, 3 }, PG_DISPLAY_PORT_MAX7456_CONFIG, offsetof(displayPortProfile_t, whiteBrightness) },
 #endif
 
 #ifdef USE_ESC_SENSOR
diff --git a/src/main/io/displayport_max7456.c b/src/main/io/displayport_max7456.c
index a62eff6031..895169807c 100644
--- a/src/main/io/displayport_max7456.c
+++ b/src/main/io/displayport_max7456.c
@@ -62,6 +62,10 @@ static int release(displayPort_t *displayPort)
 static int clearScreen(displayPort_t *displayPort)
 {
     UNUSED(displayPort);
+
+    max7456Invert(displayPortProfileMax7456()->invert);
+    max7456Brightness(displayPortProfileMax7456()->blackBrightness, displayPortProfileMax7456()->whiteBrightness);
+
     max7456ClearScreen();
 
     return 0;