csc: recognize custom ARGB_8888 pixel format

Map to V4L2 RGB32 which the gsc kernel driver interprets as XRGB

Change-Id: I28fa1db0b882bab120254337f40b3172074d4eca
Signed-off-by: Greg Hackmann <ghackmann@google.com>
diff --git a/libexynosutils/exynos5_format_v4l2.c b/libexynosutils/exynos5_format_v4l2.c
index 8b05717..824f133 100644
--- a/libexynosutils/exynos5_format_v4l2.c
+++ b/libexynosutils/exynos5_format_v4l2.c
@@ -52,6 +52,7 @@
     switch (hal_pixel_format) {
     case HAL_PIXEL_FORMAT_RGBA_8888:
     case HAL_PIXEL_FORMAT_RGBX_8888:
+    case HAL_PIXEL_FORMAT_CUSTOM_ARGB_8888:
         v4l2_pixel_format = V4L2_PIX_FMT_RGB32;
         break;
 
@@ -281,6 +282,7 @@
     case HAL_PIXEL_FORMAT_RGBA_8888:
     case HAL_PIXEL_FORMAT_BGRA_8888:
     case HAL_PIXEL_FORMAT_RGBX_8888:
+    case HAL_PIXEL_FORMAT_CUSTOM_ARGB_8888:
         frame_size = GET_32BPP_FRAME_SIZE(width, height);
         break;