Fix dotted image -- with fixed blinking

hardware/nvidia-spiri/platform/t18x/common/kernel-dts/t18x-common-platforms/tegra186-tx2-spiri-camera.dtsi

@@ -100,11 +100,11 @@ i2c8 = "/i2c@31e0000";
 
         gain_factor = "3";
         framerate_factor = "1000000";
-        exposure_factor = "1000000"; //"1000000";
-        min_gain_val = "100";
-        max_gain_val = "762";
+        exposure_factor = "1000000";
+        min_gain_val = "102";
+        max_gain_val = "160";
         step_gain_val = "1";
-				default_gain = "100";
+        default_gain = "102";
 				min_hdr_ratio = "1";
 				max_hdr_ratio = "1";
 
@@ -113,10 +113,10 @@ i2c8 = "/i2c@31e0000";
 				step_framerate = "1";
         default_framerate = "60000000"; // 60.0 fps
 
-        min_exp_time = "23000"; // us
-        max_exp_time = "1000000"; // us
+        min_exp_time = "24000"; // us
+        max_exp_time = "74000"; // us
         step_exp_time = "1";
-        default_exp_time = "40000"; // us
+        default_exp_time = "50000"; // us
 			};
 			ports {  
 				#address-cells = <0x1>;
@@ -188,10 +188,10 @@ i2c8 = "/i2c@31e0000";
         gain_factor = "3";
         framerate_factor = "1000000";
         exposure_factor = "1000000";
-        min_gain_val = "100";
-        max_gain_val = "762";
+        min_gain_val = "102";
+        max_gain_val = "160" ; //"762";
         step_gain_val = "1";
-				default_gain = "100";
+        default_gain = "102";
 				min_hdr_ratio = "1";
 				max_hdr_ratio = "1";
 
@@ -200,10 +200,10 @@ i2c8 = "/i2c@31e0000";
 				step_framerate = "1";
         default_framerate = "60000000"; // 60.0 fps
 
-        min_exp_time = "23000"; // us
-        max_exp_time = "1000000"; // us
+        min_exp_time = "24000"; // us
+        max_exp_time = "74000"; // us
         step_exp_time = "1";
-        default_exp_time = "40000"; // us
+        default_exp_time = "50000"; // us
 			};
 			ports {  
 				#address-cells = <0x1>;

kernel/nvidia-spiri/drivers/media/i2c/mt9m021.c

@@ -439,7 +439,6 @@ static int mt9m021_set_gain(struct tegracam_device *tc_dev, s64 val)
       ((gain_mul << MT9M021_ANALOG_GAIN_SHIFT) &
        MT9M021_ANALOG_GAIN_MASK);
   err = mt9m021_write_reg16(s_data, MT9M021_DIGITAL_TEST, reg16);
-//  msleep(10);
   if (err)
     goto exit;
 
@@ -454,6 +453,8 @@ static int mt9m021_set_gain(struct tegracam_device *tc_dev, s64 val)
 	if (err)
 		goto exit;
 
+//  usleep_range(1000, 1500);
+
 	return 0;
 
 exit: