Add zoom control

The icon was imported from gnome icon set
(https://github.com/GNOME/gnome-icon-theme) before changeset
e4fc9dade2d6411173bb84c0f1064eeac0b6a5fb, to ensure that it
matches the license of camorama project (GPL 2).

Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>

1 files changed, 8 insertions, 0 deletions

diff --git a/src/v4l.c b/src/v4l.c
index c5aa797..10c4494 100644
--- a/src/v4l.c
+++ b/src/v4l.c
@@ -297,6 +297,14 @@ void get_pic_info(cam_t *cam)
     } else {
         cam->colour = -1;
     }
+    i = v4l2_get_control(cam->dev, V4L2_CID_ZOOM_ABSOLUTE);
+    if (i >= 0) {
+        cam->zoom = i;
+        if (cam->debug == TRUE)
+            printf("zoom = %d\n", cam->zoom);
+    } else {
+        cam->zoom = -1;
+    }
     i = v4l2_get_control(cam->dev, V4L2_CID_CONTRAST);
     if (i >= 0) {
         cam->contrast = i;