openkylin
/
linux
mirror of https://gitee.com/openkylin/linux.git
9
0
Fork 0
Code Issues Projects Releases Wiki Activity

[media] soc_camera: error dev remove and v4l2 call 

in soc_camera_close(), if ici->ops->remove() removes device firstly,
and then call __soc_camera_power_off(), it has logic error. Since
if remove device, it should disable subdev clk. but in __soc_camera_
power_off(), it will callback v4l2 s_power function which will
read/write subdev registers to control power by i2c. and then
i2c read/write will fail because of clk disable.
So suggest to re-sequence two functions call.
Change-Id: Iee7a6d4fc7c7c1addb5d342621eb8dcd00fa2745

Signed-off-by: Wenbing Wang <wangwb@marvell.com>
Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
This commit is contained in:
Wenbing Wang 2013-06-05 06:37:14 -03:00 committed by Mauro Carvalho Chehab
parent 697a6d2387
commit af44ad5edd
1 changed files with 2 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
drivers/media/platform/soc_camera/soc_camera.c
View File

@ -643,9 +643,9 @@ static int soc_camera_close(struct file *file)
if (ici->ops->init_videobuf2)
vb2_queue_release(&icd->vb2_vidq);
ici->ops->remove(icd);
__soc_camera_power_off(icd);
ici->ops->remove(icd);
}
if (icd->streamer == file)