camera: fine-tune parameters

Speeds up the preview and makes video recording possible in case the
proprietary mfc firmware is in place.

Signed-off-by: Wolfgang Wiedmeyer <wolfgit@wiedmeyer.de>

camera/exynos_camera.c

@@ -58,8 +58,8 @@ struct exynos_camera_preset exynos_camera_presets_galaxys2[] = {
 		.vertical_view_angle = 47.1f,
 		.metering = METERING_CENTER,
 		.params = {
-			.preview_size_values = "1280x720,800x480,720x480,640x480,352x288,320x240,176x144",
-			.preview_size = "1280x720",
+			.preview_size_values = "800x480,720x480,640x480,352x288,320x240,176x144",
+			.preview_size = "800x480",
 			.preview_format_values = "yuv420sp,yuv420p,rgb565",
 			.preview_format = "rgb565",
 			.preview_frame_rate_values = "30,25,20,15,10,7",
@@ -81,7 +81,7 @@ struct exynos_camera_preset exynos_camera_presets_galaxys2[] = {
 			.full_video_snap_supported = 0,
 
 			.recording_size = "1280x720",
-			.recording_size_values = "1920x1080,1280x720,800x480,720x480,640x480,352x288,320x240,176x144",
+			.recording_size_values = "1280x720,800x480,720x480,640x480,352x288,320x240,176x144",
 			.recording_format = "yuv420sp",
 
 			.focus_mode = "auto",