Hi,
On 23.12.2016 13:42, Pavel Machek wrote:
Hi!
[...]
static int isp_subdev_notifier_bound(struct v4l2_async_notifier *async,
diff --git a/drivers/media/platform/video-bus-switch.c b/drivers/media/platform/video-bus-switch.c
index 1a5d944..3a2d442 100644
--- a/drivers/media/platform/video-bus-switch.c
+++ b/drivers/media/platform/video-bus-switch.c
@@ -247,12 +247,21 @@ static int vbs_s_stream(struct v4l2_subdev *sd, int enable)
{
struct v4l2_subdev *subdev = vbs_get_remote_subdev(sd);
+ /* FIXME: we need to set the GPIO here */
+
The gpio is set when the pad is selected, so no need to do it again.
The gpio selection actually works with your branch (assuming its
based on Ivo's).
Yes. I did not notice... is there actually some interface to select
the camera from userland?
When you construct the pipeline, you enable the port you need in vbs, so
the camera is selected.
I used (similar to)this by the time I played with cameras:
front:
export LD_LIBRARY_PATH=./
./media-ctl -r
./media-ctl -l '"vs6555 binner 2-0010":1 -> "video-bus-switch":2 [1]'
./media-ctl -l '"video-bus-switch":0 -> "OMAP3 ISP CCP2":0 [1]'
./media-ctl -l '"OMAP3 ISP CCP2":1 -> "OMAP3 ISP CCDC":0 [1]'
./media-ctl -l '"OMAP3 ISP CCDC":2 -> "OMAP3 ISP preview":0 [1]'
./media-ctl -l '"OMAP3 ISP preview":1 -> "OMAP3 ISP resizer":0 [1]'
./media-ctl -l '"OMAP3 ISP resizer":1 -> "OMAP3 ISP resizer output":0 [1]'
./media-ctl -V '"vs6555 pixel array 2-0010":0 [SGRBG10/648x488
(0,0)/648x488 (0,0)/648x488]'
./media-ctl -V '"vs6555 binner 2-0010":1 [SGRBG10/648x488 (0,0)/648x488
(0,0)/648x488]'
./media-ctl -V '"OMAP3 ISP CCP2":0 [SGRBG10 648x488]'
./media-ctl -V '"OMAP3 ISP CCP2":1 [SGRBG10 648x488]'
./media-ctl -V '"OMAP3 ISP CCDC":2 [SGRBG10 648x488]'
./media-ctl -V '"OMAP3 ISP preview":1 [UYVY 648x488]'
./media-ctl -V '"OMAP3 ISP resizer":1 [UYVY 656x488]'
mplayer -tv
driver=v4l2:width=656:height=488:outfmt=uyvy:device=/dev/video6 -vo xv
-vf screenshot tv://
back:
export LD_LIBRARY_PATH=./
./media-ctl -r
./media-ctl -l '"et8ek8 3-003e":0 -> "video-bus-switch":1 [1]'
./media-ctl -l '"video-bus-switch":0 -> "OMAP3 ISP CCP2":0 [1]'
./media-ctl -l '"OMAP3 ISP CCP2":1 -> "OMAP3 ISP CCDC":0 [1]'
./media-ctl -l '"OMAP3 ISP CCDC":2 -> "OMAP3 ISP preview":0 [1]'
./media-ctl -l '"OMAP3 ISP preview":1 -> "OMAP3 ISP resizer":0 [1]'
./media-ctl -l '"OMAP3 ISP resizer":1 -> "OMAP3 ISP resizer output":0 [1]'
./media-ctl -V '"et8ek8 3-003e":0 [SGRBG10 864x656]'
./media-ctl -V '"OMAP3 ISP CCP2":0 [SGRBG10 864x656]'
./media-ctl -V '"OMAP3 ISP CCP2":1 [SGRBG10 864x656]'
./media-ctl -V '"OMAP3 ISP CCDC":2 [SGRBG10 864x656]'
./media-ctl -V '"OMAP3 ISP preview":1 [UYVY 864x656]'
./media-ctl -V '"OMAP3 ISP resizer":1 [UYVY 800x480]'
mplayer -tv
driver=v4l2:width=800:height=480:outfmt=uyvy:device=/dev/video6 -vo xv
-vf screenshot tv://
or IOW:
./media-ctl -l '"vs6555 binner 2-0010":1 -> "video-bus-switch":2 [1]'
switches GPIO to use front camera
and
./media-ctl -l '"video-bus-switch":0 -> "OMAP3 ISP CCP2":0 [1]'
for back camera
Ivo
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