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authorGuennadi Liakhovetski <g.liakhovetski@gmx.de>2011-09-07 14:59:47 (GMT)
committerMauro Carvalho Chehab <mchehab@redhat.com>2011-11-03 20:28:42 (GMT)
commit489759c0ca26bcd405c82966bdce7ff7fec5a110 (patch)
tree910708097438650aa42c442450c64818be64a36f /drivers/media/video
parent7ae77ee92fea7c115324096372a2a125d8bc26d7 (diff)
downloadlinux-fsl-qoriq-489759c0ca26bcd405c82966bdce7ff7fec5a110.tar.xz
[media] V4L: sh_mobile_ceu_camera: the host shall configure the pipeline
It is a task of the host / bridge driver to bind single subdevices into a pipeline, not of respective subdevices. Eventually this might be handled by the Media Controller API. Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'drivers/media/video')
-rw-r--r--drivers/media/video/sh_mobile_ceu_camera.c20
1 files changed, 15 insertions, 5 deletions
diff --git a/drivers/media/video/sh_mobile_ceu_camera.c b/drivers/media/video/sh_mobile_ceu_camera.c
index a3153ca..f390682 100644
--- a/drivers/media/video/sh_mobile_ceu_camera.c
+++ b/drivers/media/video/sh_mobile_ceu_camera.c
@@ -566,16 +566,24 @@ static int sh_mobile_ceu_add_device(struct soc_camera_device *icd)
ret = sh_mobile_ceu_soft_reset(pcdev);
csi2_sd = find_csi2(pcdev);
+ if (csi2_sd)
+ csi2_sd->grp_id = (long)icd;
ret = v4l2_subdev_call(csi2_sd, core, s_power, 1);
- if (ret != -ENODEV && ret != -ENOIOCTLCMD && ret < 0) {
+ if (ret < 0 && ret != -ENOIOCTLCMD && ret != -ENODEV) {
pm_runtime_put_sync(ici->v4l2_dev.dev);
- } else {
- pcdev->icd = icd;
- ret = 0;
+ return ret;
}
- return ret;
+ /*
+ * -ENODEV is special: either csi2_sd == NULL or the CSI-2 driver
+ * has not found this soc-camera device among its clients
+ */
+ if (ret == -ENODEV && csi2_sd)
+ csi2_sd->grp_id = 0;
+ pcdev->icd = icd;
+
+ return 0;
}
/* Called with .video_lock held */
@@ -588,6 +596,8 @@ static void sh_mobile_ceu_remove_device(struct soc_camera_device *icd)
BUG_ON(icd != pcdev->icd);
v4l2_subdev_call(csi2_sd, core, s_power, 0);
+ if (csi2_sd)
+ csi2_sd->grp_id = 0;
/* disable capture, disable interrupts */
ceu_write(pcdev, CEIER, 0);
sh_mobile_ceu_soft_reset(pcdev);