From 1abb19916d3824827e7cf6edc55da0e8a3fa45ee Mon Sep 17 00:00:00 2001
From: Francescodario Cuzzocrea <bosconovic@gmail.com>
Date: Mon, 6 Jan 2020 08:33:56 +0100
Subject: [PATCH] msm8226-common: camera: add support for galaxy tab4 devices

Change-Id: I349ff302765a47d4b188d8deb0bfd88959da9c61
---
 camera/CameraWrapper.cpp | 96 ++++++++++++++++++++++++++++++++++------
 1 file changed, 82 insertions(+), 14 deletions(-)

diff --git a/camera/CameraWrapper.cpp b/camera/CameraWrapper.cpp
index 7b447f3..e30a133 100644
--- a/camera/CameraWrapper.cpp
+++ b/camera/CameraWrapper.cpp
@@ -27,6 +27,7 @@
 #define LOG_TAG "CameraWrapper"
 #include <cutils/log.h>
 
+#include <android-base/properties.h>
 #include <utils/threads.h>
 #include <utils/String8.h>
 #include <hardware/hardware.h>
@@ -41,6 +42,18 @@
 #define OPEN_RETRY_MSEC 40
 
 using namespace android;
+using android::base::GetProperty;
+
+enum {
+    UNKNOWN = -1,
+    S3VE3G,
+    KMINI3G,
+    MS01,
+    MATISSE,
+    MILLET,
+};
+
+static int product_device = UNKNOWN;
 
 const char KEY_SUPPORTED_ISO_MODES[] = "iso-values";
 const char KEY_SAMSUNG_CAMERA_MODE[] = "cam_mode";
@@ -95,6 +108,43 @@ camera_module_t HAL_MODULE_INFO_SYM = {
     .reserved = {0},            /* remove compilation warnings */
 };
 
+static int get_product_device()
+{
+    if (product_device != UNKNOWN)
+        return product_device;
+
+    std::string device = GetProperty("ro.product.device", "");
+
+    if (device == "s3ve3gxx")
+        product_device = S3VE3G;
+    else if (device == "s3ve3gjv")
+        product_device = S3VE3G;
+    else if (device == "kmini3g")
+        product_device = KMINI3G;
+    else if (device == "ms013g")
+        product_device = MS01;
+    else if (device == "ms013lte")
+        product_device = MS01;
+    else if (device == "matissewifi")
+        product_device = MATISSE;
+    else if (device == "matisse3g")
+        product_device = MATISSE;
+    else if (device == "matisselte")
+        product_device = MATISSE;
+    else if (device == "milletwifi")
+        product_device = MILLET;
+    else if (device == "millet3g")
+        product_device = MILLET;
+    else if (device == "milletlte")
+        product_device = MILLET;
+    else if (device == "milletltetmo")
+        product_device = MILLET;
+    else
+        product_device = UNKNOWN;
+
+    return product_device;
+}
+
 typedef struct wrapper_camera_device {
     camera_device_t base;
     int camera_released;
@@ -166,27 +216,45 @@ static char* camera_fixup_getparams(int id, const char* settings) {
 #endif
 
     params.set(KEY_SUPPORTED_ISO_MODES, iso_values[id]);
-    params.set(CameraParameters::KEY_PREFERRED_PREVIEW_SIZE_FOR_VIDEO, "1280x720");
-    params.set(CameraParameters::KEY_SUPPORTED_SCENE_MODES,
-               "auto,asd,action,portrait,landscape,night,night-portrait,theatre,beach,snow,sunset,"
-               "steadyphoto,fireworks,sports,party,candlelight,backlight,flowers,AR");
-    
+    if (get_product_device() == S3VE3G || get_product_device() == MS01 || get_product_device() == KMINI3G) {
+        params.set(CameraParameters::KEY_PREFERRED_PREVIEW_SIZE_FOR_VIDEO, "1280x720");
+        params.set(CameraParameters::KEY_SUPPORTED_SCENE_MODES,
+                       "auto,asd,action,portrait,landscape,night,night-portrait,theatre,beach,snow,sunset,"
+                       "steadyphoto,fireworks,sports,party,candlelight,backlight,flowers,AR");
+    }
+
+    if (( get_product_device() == MATISSE) || ( get_product_device() == MILLET)) {
+        params.set(CameraParameters::KEY_PREFERRED_PREVIEW_SIZE_FOR_VIDEO, "640x480" );
+    }
 
     /* If the vendor has HFR values but doesn't also expose that
      * this can be turned off, fixup the params to tell the Camera
      * that it really is okay to turn it off.
      */
-    const char *hfrModeValues = params.get(KEY_VIDEO_HFR_VALUES);
-    if (hfrModeValues && !strstr(hfrModeValues, "off")) {
-        char hfrModes[strlen(hfrModeValues) + 4 + 1];
-        sprintf(hfrModes, "%s,off", hfrModeValues);
-        params.set(KEY_VIDEO_HFR_VALUES, hfrModes);
+    if (get_product_device() == S3VE3G || get_product_device() == MS01 || get_product_device() == KMINI3G) {
+	    const char *hfrModeValues = params.get(KEY_VIDEO_HFR_VALUES);
+	    if (hfrModeValues && !strstr(hfrModeValues, "off")) {
+		char hfrModes[strlen(hfrModeValues) + 4 + 1];
+		sprintf(hfrModes, "%s,off", hfrModeValues);
+		params.set(KEY_VIDEO_HFR_VALUES, hfrModes);
+	    }
     }
         
-    if (id == BACK_CAMERA_ID) {
-        params.set(CameraParameters::KEY_SUPPORTED_FLASH_MODES, "auto,on,off,torch");
-        params.set(KEY_SUPPORTED_HFR_SIZES, "1280x720,720x480");
-        params.set(KEY_SUPPORTED_VIDEO_HIGH_FRAME_RATE_MODES, "60,off");
+    if (( get_product_device() == MATISSE) || ( get_product_device() == MILLET)) {
+        params.set(KEY_VIDEO_HFR_VALUES, "off");
+    }
+	if (id == BACK_CAMERA_ID) {
+		if (get_product_device() == S3VE3G || get_product_device() == MS01 || get_product_device() == KMINI3G) {
+			params.set(CameraParameters::KEY_SUPPORTED_FLASH_MODES, "auto,on,off,torch");
+			params.set(KEY_SUPPORTED_HFR_SIZES, "1280x720,720x480");
+			params.set(KEY_SUPPORTED_VIDEO_HIGH_FRAME_RATE_MODES, "60,off");
+		}
+	}
+    if (( get_product_device() == MATISSE) || ( get_product_device() == MILLET)) {
+        params.set(CameraParameters::KEY_EXPOSURE_COMPENSATION_STEP, "0.5");
+        params.set(CameraParameters::KEY_MIN_EXPOSURE_COMPENSATION, "-4");
+        params.set(CameraParameters::KEY_MAX_EXPOSURE_COMPENSATION, "4");
+        params.set(CameraParameters::KEY_SUPPORTED_PREVIEW_SIZES, "640x360,640x480,352x288,320x240,176x144");
     }
         
 #if !LOG_NDEBUG