[media] media: davinci: vpif_capture: use vb2_fop_mmap/poll

No need to reinvent the wheel. Just use the already existing
functions for that.

Signed-off-by: Lad, Prabhakar <prabhakar.csengg@gmail.com>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>

diff --git a/drivers/media/platform/davinci/vpif_capture.c b/drivers/media/platform/davinci/vpif_capture.c
index 58dddf6..a50e392 100644 (file)
--- a/drivers/media/platform/davinci/vpif_capture.c
+++ b/drivers/media/platform/davinci/vpif_capture.c
@@ -751,50 +751,6 @@ static void vpif_config_addr(struct channel_obj *ch, int muxmode)
 }
 
 /**
- * vpif_mmap : It is used to map kernel space buffers into user spaces
- * @filep: file pointer
- * @vma: ptr to vm_area_struct
- */
-static int vpif_mmap(struct file *filep, struct vm_area_struct *vma)
-{
-       /* Get the channel object and file handle object */
-       struct vpif_fh *fh = filep->private_data;
-       struct channel_obj *ch = fh->channel;
-       struct common_obj *common = &(ch->common[VPIF_VIDEO_INDEX]);
-       int ret;
-
-       vpif_dbg(2, debug, "vpif_mmap\n");
-
-       if (mutex_lock_interruptible(&common->lock))
-               return -ERESTARTSYS;
-       ret = vb2_mmap(&common->buffer_queue, vma);
-       mutex_unlock(&common->lock);
-       return ret;
-}
-
-/**
- * vpif_poll: It is used for select/poll system call
- * @filep: file pointer
- * @wait: poll table to wait
- */
-static unsigned int vpif_poll(struct file *filep, poll_table * wait)
-{
-       struct vpif_fh *fh = filep->private_data;
-       struct channel_obj *channel = fh->channel;
-       struct common_obj *common = &(channel->common[VPIF_VIDEO_INDEX]);
-       unsigned int res = 0;
-
-       vpif_dbg(2, debug, "vpif_poll\n");
-
-       if (common->started) {
-               mutex_lock(&common->lock);
-               res = vb2_poll(&common->buffer_queue, filep, wait);
-               mutex_unlock(&common->lock);
-       }
-       return res;
-}
-
-/**
  * vpif_open : vpif open handler
  * @filep: file ptr
  *
@@ -1797,8 +1753,8 @@ static struct v4l2_file_operations vpif_fops = {
        .open = vpif_open,
        .release = vpif_release,
        .unlocked_ioctl = video_ioctl2,
-       .mmap = vpif_mmap,
-       .poll = vpif_poll
+       .mmap = vb2_fop_mmap,
+       .poll = vb2_fop_poll
 };
 
 /* vpif video template */
@@ -1884,6 +1840,7 @@ static int vpif_async_bound(struct v4l2_async_notifier *notifier,
 static int vpif_probe_complete(void)
 {
        struct common_obj *common;
+       struct video_device *vdev;
        struct channel_obj *ch;
        struct vb2_queue *q;
        int i, j, err, k;
@@ -1931,7 +1888,9 @@ static int vpif_probe_complete(void)
 
                INIT_LIST_HEAD(&common->dma_queue);
 
-               err = video_register_device(ch->video_dev,
+               vdev = ch->video_dev;
+               vdev->queue = q;
+               err = video_register_device(vdev,
                                            VFL_TYPE_GRABBER, (j ? 1 : 0));
                if (err)
                        goto probe_out;