[media] v4l: atmel-isi: Reset the ISI when starting the stream

The queue setup operation isn't the right place to reset the ISI. Move
the reset call to the start streaming operation.

Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Acked-by: Josh Wu <josh.wu@atmel.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>

diff --git a/drivers/media/platform/soc_camera/atmel-isi.c b/drivers/media/platform/soc_camera/atmel-isi.c
index ea8816c..ae2c8c1 100644 (file)
--- a/drivers/media/platform/soc_camera/atmel-isi.c
+++ b/drivers/media/platform/soc_camera/atmel-isi.c
@@ -241,16 +241,6 @@ static int queue_setup(struct vb2_queue *vq, const struct v4l2_format *fmt,
        struct soc_camera_host *ici = to_soc_camera_host(icd->parent);
        struct atmel_isi *isi = ici->priv;
        unsigned long size;
-       int ret;
-
-       /* Reset ISI */
-       ret = atmel_isi_wait_status(isi, WAIT_ISI_RESET);
-       if (ret < 0) {
-               dev_err(icd->parent, "Reset ISI timed out\n");
-               return ret;
-       }
-       /* Disable all interrupts */
-       isi_writel(isi, ISI_INTDIS, ~0UL);
 
        size = icd->sizeimage;
 
@@ -390,6 +380,16 @@ static int start_streaming(struct vb2_queue *vq, unsigned int count)
        struct soc_camera_host *ici = to_soc_camera_host(icd->parent);
        struct atmel_isi *isi = ici->priv;
        u32 sr = 0;
+       int ret;
+
+       /* Reset ISI */
+       ret = atmel_isi_wait_status(isi, WAIT_ISI_RESET);
+       if (ret < 0) {
+               dev_err(icd->parent, "Reset ISI timed out\n");
+               return ret;
+       }
+       /* Disable all interrupts */
+       isi_writel(isi, ISI_INTDIS, ~0UL);
 
        spin_lock_irq(&isi->lock);
        /* Clear any pending interrupt */