[media] v4l: vsp1: Fix Suspend-to-RAM

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Fix Suspend-to-RAM so that VSP1 driver continues to work after resuming.

In detail,
  - Fix the judgment of ref count in resuming.
  - Add stopping VSP1 during suspend.

[Refactor the suspend and resume code to lower suspend delay]

Signed-off-by: Sei Fumizono <sei.fumizono.jw@hitachi-solutions.com>
Signed-off-by: Yoshifumi Hosoya <yoshifumi.hosoya.wj@renesas.com>
Signed-off-by: Yoshihiro Kaneko <ykaneko0929@gmail.com>
Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>

...

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Sei Fumizono 2015-03-15 11:33:07 -03:00 • committed by Mauro Carvalho Chehab

parent 45008ee929

commit 139c92866e

3 changed files with 83 additions and 5 deletions

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13

drivers/media/platform/vsp1/vsp1_drv.c

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70

drivers/media/platform/vsp1/vsp1_video.c

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5

drivers/media/platform/vsp1/vsp1_video.h

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