From 98d50c6ba12aab110fddb9bbcc97bc3d2d1dd34b Mon Sep 17 00:00:00 2001
From: Javier Ferrer <javi.f.o@gmail.com>
Date: Tue, 17 Sep 2013 23:49:39 +0200
Subject: camera: add image-stabilization parameter

Focal will find it and will enable it before taking shot, disabling it after the shot is taken.

Change-Id: I476f2d13e6662f211d395d432c855d70ba53d61f
---
 camera/exynos_camera.c | 32 ++++++++++++++++++++++++++++++++
 camera/exynos_camera.h |  4 ++++
 2 files changed, 36 insertions(+)

(limited to 'camera')

diff --git a/camera/exynos_camera.c b/camera/exynos_camera.c
index a6c6d19..0c840dd 100644
--- a/camera/exynos_camera.c
+++ b/camera/exynos_camera.c
@@ -135,6 +135,9 @@ struct exynos_camera_preset exynos_camera_presets_smdk4x12[] = {
 
 			.iso = "auto",
 			.iso_values = "auto,ISO100,ISO200,ISO400,ISO800",
+
+			.image_stabilization = "off",
+			.image_stabilization_values = "on,off",
 		},
 		.mbus_resolutions = NULL,
 		.mbus_resolutions_count = 0,
@@ -210,6 +213,9 @@ struct exynos_camera_preset exynos_camera_presets_smdk4x12[] = {
 
 			.iso = "auto",
 			.iso_values = "auto",
+
+			.image_stabilization = "off",
+			.image_stabilization_values = "off",
 		},
 		.mbus_resolutions = (struct exynos_camera_mbus_resolution *) &exynos_camera_mbus_resolutions_s5k6a3_smdk4x12,
 		.mbus_resolutions_count = 8,
@@ -523,6 +529,13 @@ int exynos_camera_params_init(struct exynos_camera *exynos_camera, int id)
 	exynos_param_string_set(exynos_camera, "iso-values",
 		exynos_camera->config->presets[id].params.iso_values);
 
+	// Image stabilization (Anti-shake)
+
+	exynos_param_string_set(exynos_camera, "image-stabilization",
+	exynos_camera->config->presets[id].params.image_stabilization);
+	exynos_param_string_set(exynos_camera, "image-stabilization-values",
+	exynos_camera->config->presets[id].params.image_stabilization_values);
+
 	// Camera
 
 	exynos_param_float_set(exynos_camera, "focal-length",
@@ -604,6 +617,9 @@ int exynos_camera_params_apply(struct exynos_camera *exynos_camera, int force)
 	char *iso_string;
 	int iso;
 
+	char *image_stabilization_string;
+	int image_stabilization;
+
 	int w, h;
 	char *k;
 	int rc;
@@ -1072,6 +1088,22 @@ int exynos_camera_params_apply(struct exynos_camera *exynos_camera, int force)
 		}
 	}
 
+	// Image stabilization (Anti-shake)
+
+	image_stabilization_string = exynos_param_string_get(exynos_camera, "image-stabilization");
+	if (image_stabilization_string != NULL) {
+		if (strcmp(image_stabilization_string, "on") == 0)
+			image_stabilization = ANTI_SHAKE_STILL_ON;
+		else
+			image_stabilization = ANTI_SHAKE_OFF;
+
+		if (image_stabilization != exynos_camera->image_stabilization || force) {
+			exynos_camera->image_stabilization = image_stabilization;
+			rc = exynos_v4l2_s_ctrl(exynos_camera, 0, V4L2_CID_CAMERA_ANTI_SHAKE, image_stabilization);
+			if (rc < 0)
+				ALOGE("%s: Unable to set image-stabilization", __func__);
+		}
+	}
 	ALOGD("%s: Preview size: %dx%d, picture size: %dx%d, recording size: %dx%d", __func__, preview_width, preview_height, picture_width, picture_height, recording_width, recording_height);
 
 	return 0;
diff --git a/camera/exynos_camera.h b/camera/exynos_camera.h
index 9db8dfb..547b90f 100644
--- a/camera/exynos_camera.h
+++ b/camera/exynos_camera.h
@@ -172,6 +172,9 @@ struct exynos_camera_params {
 
 	char *iso;
 	char *iso_values;
+
+	char *image_stabilization; // Anti-shake
+	char *image_stabilization_values;
 };
 
 struct exynos_camera_preset {
@@ -417,6 +420,7 @@ struct exynos_camera {
 	int effect;
 	int iso;
 	int metering;
+	int image_stabilization;
 };
 
 struct exynos_camera_addrs {
-- 
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