From 4740deddfa4cb5717058c8eba48077e0a1da83e9 Mon Sep 17 00:00:00 2001
From: jt1134 <jt1134@gmail.com>
Date: Mon, 17 Sep 2012 01:06:37 -0500
Subject: libcamera: allow changing of ISO modes

Patch-set2: make code not suck as much

Patch-set3: add BOARD_CAMERA_HAVE_ISO

Patch-set4: actually include BoardConfig change

Change-Id: Id452c079c7dbb7ece4a68f27aa82c14463b5db2e
---
 BoardConfigCommon.mk               |  1 +
 libcamera/SecCameraHWInterface.cpp | 39 +++++++++++++++++++++++++++++++++++++-
 2 files changed, 39 insertions(+), 1 deletion(-)

diff --git a/BoardConfigCommon.mk b/BoardConfigCommon.mk
index f3992d8..30058de 100644
--- a/BoardConfigCommon.mk
+++ b/BoardConfigCommon.mk
@@ -50,6 +50,7 @@ USE_CAMERA_STUB := false
 ifeq ($(USE_CAMERA_STUB),false)
 BOARD_CAMERA_LIBRARIES := libcamera
 endif
+BOARD_CAMERA_HAVE_ISO := true
 
 # Bluetooth
 BOARD_HAVE_BLUETOOTH := true
diff --git a/libcamera/SecCameraHWInterface.cpp b/libcamera/SecCameraHWInterface.cpp
index 161daf0..d66f12f 100755
--- a/libcamera/SecCameraHWInterface.cpp
+++ b/libcamera/SecCameraHWInterface.cpp
@@ -339,7 +339,6 @@ void CameraHardwareSec::initDefaultParameters(int cameraId)
     ip.set("sharpness", SHARPNESS_DEFAULT);
     ip.set("contrast", CONTRAST_DEFAULT);
     ip.set("saturation", SATURATION_DEFAULT);
-    ip.set("iso", "auto");
     ip.set("metering", "center");
 
     ip.set("wdr", 0);
@@ -349,6 +348,9 @@ void CameraHardwareSec::initDefaultParameters(int cameraId)
         ip.set("blur", 0);
     }
 
+    p.set("iso-values", "auto,ISO50,ISO100,ISO200,ISO400,ISO800,ISO1600");
+    p.set("iso", "auto");
+
     p.set(CameraParameters::KEY_HORIZONTAL_VIEW_ANGLE, "51.2");
     p.set(CameraParameters::KEY_VERTICAL_VIEW_ANGLE, "39.4");
 
@@ -1562,6 +1564,41 @@ status_t CameraHardwareSec::setParameters(const CameraParameters& params)
         }
     }
 
+    // ISO
+    const char *new_iso_str = params.get("iso");
+    ALOGV("%s : new_iso_str %s", __func__, new_iso_str);
+    if (new_iso_str != NULL) {
+        int new_iso = -1;
+
+        if (!strcmp(new_iso_str, "auto")) {
+            new_iso = ISO_AUTO;
+        } else if (!strcmp(new_iso_str, "ISO50")) {
+            new_iso = ISO_50;
+        } else if (!strcmp(new_iso_str, "ISO100")) {
+            new_iso = ISO_100;
+        } else if (!strcmp(new_iso_str, "ISO200")) {
+            new_iso = ISO_200;
+        } else if (!strcmp(new_iso_str, "ISO400")) {
+            new_iso = ISO_400;
+        } else if (!strcmp(new_iso_str, "ISO800")) {
+            new_iso = ISO_800;
+        } else if (!strcmp(new_iso_str, "ISO1600")) {
+            new_iso = ISO_1600;
+        } else {
+            ALOGE("ERR(%s):Invalid iso value(%s)", __func__, new_iso_str);
+            ret = UNKNOWN_ERROR;
+        }
+
+        if (0 <= new_iso) {
+            if (mSecCamera->setISO(new_iso) < 0) {
+                ALOGE("ERR(%s):Fail on mSecCamera->setISO(new_iso(%d))", __func__, new_iso);
+                ret = UNKNOWN_ERROR;
+            } else {
+                mParameters.set("iso", new_iso_str);
+            }
+        }
+    }
+
     // whitebalance
     const char *new_white_str = params.get(CameraParameters::KEY_WHITE_BALANCE);
     ALOGV("%s : new_white_str %s", __func__, new_white_str);
-- 
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