[media] m5mols: Change auto exposure control default value to AUTO

Enabling automatic exposure yields better image quality. With this setting
the anti-flicker algorithm is also enabled in automatic frequency detection
mode which effectively eliminates distortion from fluctuations of light
intensity at power line frequency.

Acked-by: HeungJun Kim <riverful.kim@samsung.com>
Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

drivers/media/video/m5mols/m5mols_core.c

@@ -834,7 +834,7 @@ static int m5mols_init_controls(struct m5mols_info *info)
 			4, (1 << V4L2_COLORFX_BW), V4L2_COLORFX_NONE);
 	info->autoexposure = v4l2_ctrl_new_std_menu(&info->handle,
 			&m5mols_ctrl_ops, V4L2_CID_EXPOSURE_AUTO,
-			1, 0, V4L2_EXPOSURE_MANUAL);
+			1, 0, V4L2_EXPOSURE_AUTO);
 
 	sd->ctrl_handler = &info->handle;
 	if (info->handle.error) {