diff options
| author | Guennadi Liakhovetski <g.liakhovetski@gmx.de> | 2011-09-07 18:59:47 +0400 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@redhat.com> | 2011-11-04 00:28:42 +0400 |
| commit | 489759c0ca26bcd405c82966bdce7ff7fec5a110 (patch) | |
| tree | 910708097438650aa42c442450c64818be64a36f /drivers/media | |
| parent | 7ae77ee92fea7c115324096372a2a125d8bc26d7 (diff) | |
| download | linux-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')
| -rw-r--r-- | drivers/media/video/sh_mobile_ceu_camera.c | 20 |
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 a3153ca14089..f390682629cf 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); |