The .stop_streaming() videobuf2 operation has to be implemented to guarantee, that video buffers are not written to after a STREAMOFF.
Signed-off-by: Guennadi Liakhovetski <[email protected]> --- for 2.6.40 drivers/media/video/sh_mobile_ceu_camera.c | 21 +++++++++++++++++++++ 1 files changed, 21 insertions(+), 0 deletions(-) diff --git a/drivers/media/video/sh_mobile_ceu_camera.c b/drivers/media/video/sh_mobile_ceu_camera.c index 61f3701..0a75a4c 100644 --- a/drivers/media/video/sh_mobile_ceu_camera.c +++ b/drivers/media/video/sh_mobile_ceu_camera.c @@ -429,6 +429,26 @@ static int sh_mobile_ceu_videobuf_init(struct vb2_buffer *vb) return 0; } +static int sh_mobile_ceu_stop_streaming(struct vb2_queue *q) +{ + struct soc_camera_device *icd = container_of(q, struct soc_camera_device, vb2_vidq); + struct soc_camera_host *ici = to_soc_camera_host(icd->dev.parent); + struct sh_mobile_ceu_dev *pcdev = ici->priv; + struct list_head *buf_head, *tmp; + unsigned long flags; + + spin_lock_irqsave(&pcdev->lock, flags); + + pcdev->active = NULL; + + list_for_each_safe(buf_head, tmp, &pcdev->capture) + list_del_init(buf_head); + + spin_unlock_irqrestore(&pcdev->lock, flags); + + return sh_mobile_ceu_soft_reset(pcdev); +} + static struct vb2_ops sh_mobile_ceu_videobuf_ops = { .queue_setup = sh_mobile_ceu_videobuf_setup, .buf_prepare = sh_mobile_ceu_videobuf_prepare, @@ -437,6 +457,7 @@ static struct vb2_ops sh_mobile_ceu_videobuf_ops = { .buf_init = sh_mobile_ceu_videobuf_init, .wait_prepare = soc_camera_unlock, .wait_finish = soc_camera_lock, + .stop_streaming = sh_mobile_ceu_stop_streaming, }; static irqreturn_t sh_mobile_ceu_irq(int irq, void *data) -- 1.7.2.5 -- To unsubscribe from this list: send the line "unsubscribe linux-media" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
