BCM2835-V4L2: Increase minimum resolution to 32x32

raspberrypi/linux#1498 showed
up that 16x16 is failing to work on the GPU for some reason.

GPU bug being tracked on
raspberrypi/firmware#607
Workaround here by increasing minimum resolution via V4L2
to 32x32.

Signed-off-by: Dave Stevenson <[email protected]>

Author: 6by9

drivers/media/platform/bcm2835/bcm2835-camera.c

@@ -36,8 +36,8 @@
 
 #define BM2835_MMAL_VERSION "0.0.2"
 #define BM2835_MMAL_MODULE_NAME "bcm2835-v4l2"
-#define MIN_WIDTH 16
-#define MIN_HEIGHT 16
+#define MIN_WIDTH 32
+#define MIN_HEIGHT 32
 #define MIN_BUFFER_SIZE (80*1024)
 
 #define MAX_VIDEO_MODE_WIDTH 1280