Fix dotted image

Reviewed-on: #7

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

@@ -98,13 +98,13 @@ i2c8 = "/i2c@31e0000";
 				inherent_gain = "1";
 				pix_clk_hz = "74250000";
 
-			        gain_factor = "3125";
+        gain_factor = "3";
         framerate_factor = "1000000";
-				exposure_factor = "1000000";
-				min_gain_val = "100000";
-        max_gain_val = "796000";
+        exposure_factor = "1000000"; //"1000000";
+        min_gain_val = "100";
+        max_gain_val = "762";
         step_gain_val = "1";
-				default_gain = "100000";
+				default_gain = "100";
 				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 = "500"; // us
-				max_exp_time = "16000"; // us
+        min_exp_time = "23000"; // us
+        max_exp_time = "1000000"; // us
 				step_exp_time = "1";
-        default_exp_time = "12000"; // us
+        default_exp_time = "40000"; // us
 			};
 			ports {  
 				#address-cells = <0x1>;
@@ -185,13 +185,13 @@ i2c8 = "/i2c@31e0000";
 				inherent_gain = "1";
 				pix_clk_hz = "74250000";
 
-			        gain_factor = "3125";
+        gain_factor = "3";
         framerate_factor = "1000000";
         exposure_factor = "1000000";
-				min_gain_val = "100000";
-        max_gain_val = "796000";
+        min_gain_val = "100";
+        max_gain_val = "762";
         step_gain_val = "1";
-			        default_gain = "100000";
+				default_gain = "100";
 				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 = "500"; // us
-				max_exp_time = "16000"; // us
+        min_exp_time = "23000"; // us
+        max_exp_time = "1000000"; // us
 				step_exp_time = "1";
-              default_exp_time = "12000"; // us
+        default_exp_time = "40000"; // us
 			};
 			ports {  
 				#address-cells = <0x1>;

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

@@ -135,8 +135,8 @@
 #define MT9M021_ANALOG_GAIN_SHIFT       4
 #define MT9M021_ANALOG_GAIN_MASK        0x0030
 
-#define MT9M021_GLOBAL_GAIN_MIN         100000
-#define MT9M021_GLOBAL_GAIN_MAX         796000
+#define MT9M021_GLOBAL_GAIN_MIN         100
+#define MT9M021_GLOBAL_GAIN_MAX         762
 #define MT9M021_GLOBAL_GAIN_DEF         100
 
 #define MT9M021_COARSE_INT_TIME_MIN     0x0001
@@ -420,15 +420,15 @@ static int mt9m021_set_gain(struct tegracam_device *tc_dev, s64 val)
    *  GAIN: VAL / STEPS;
    *  STEPS: 1/32
    *
-   *  SCALE FACTOR = 100.000
+   *  SCALE FACTOR = 32
    *
-   *  min_gain_val = 100.000
-   *  max_gain_val = 797.000
-   *  gain_factor = 3125
+   *  min_gain_val = 100
+   *  max_gain_val = 762
+   *  gain_factor = 3
    *
    *  gain maps to range 32 - 255
    */
-  gain = val / 3125;
+  gain = val / 3;
 
   /* Update analog gain multiplier */
   err = mt9m021_read_reg16(s_data, MT9M021_DIGITAL_TEST, &reg16);