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[media] V4L: sh-mobile-ceu-camera: fix mixed CSI2 & parallel camera case 

The current sh_mobile_ceu_camera driver can cause an Oops, if a CSI2 and a
parallel camera are registered on the same CEU. Fix it by making CSI2
association with a camera more targeted.

Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
This commit is contained in:
Guennadi Liakhovetski 2011-08-22 12:35:09 -03:00 committed by Mauro Carvalho Chehab
parent 377c9ba772
commit 6ac939c06f
1 changed files with 6 additions and 3 deletions
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9
drivers/media/video/sh_mobile_ceu_camera.c
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@ -717,10 +717,13 @@ static void capture_restore(struct sh_mobile_ceu_dev *pcdev, u32 capsr)
static struct v4l2_subdev *find_bus_subdev(struct sh_mobile_ceu_dev *pcdev,
struct soc_camera_device *icd)
{
if (!pcdev->csi2_pdev)
return soc_camera_to_subdev(icd);
if (pcdev->csi2_pdev) {
struct v4l2_subdev *csi2_sd = find_csi2(pcdev);
if (csi2_sd && csi2_sd->grp_id == (u32)icd)
return csi2_sd;
}
return find_csi2(pcdev);
return soc_camera_to_subdev(icd);
}
#define CEU_BUS_FLAGS (V4L2_MBUS_MASTER | \