[media] vpif_cap/disp: Cleanup, improved comments
Signed-off-by: Mats Randgaard <mats.randgaard@cisco.com>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Acked-by: Murali Karicheri <mkaricheri@gmail.com>
Acked-by: Vaibhav Hiremath <hvaibhav@ti.com>
Acked-by: Manjunath Hadli <manjunath.hadli@ti.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
diff --git a/drivers/media/video/davinci/vpif_display.c b/drivers/media/video/davinci/vpif_display.c
index 44a8858..7cb70d9 100644
--- a/drivers/media/video/davinci/vpif_display.c
+++ b/drivers/media/video/davinci/vpif_display.c
@@ -580,7 +580,10 @@
static int vpif_mmap(struct file *filep, struct vm_area_struct *vma)
{
struct vpif_fh *fh = filep->private_data;
- struct common_obj *common = &fh->channel->common[VPIF_VIDEO_INDEX];
+ struct channel_obj *ch = fh->channel;
+ struct common_obj *common = &(ch->common[VPIF_VIDEO_INDEX]);
+
+ vpif_dbg(2, debug, "vpif_mmap\n");
return videobuf_mmap_mapper(&common->buffer_queue, vma);
}
@@ -692,7 +695,12 @@
}
/* functions implementing ioctls */
-
+/**
+ * vpif_querycap() - QUERYCAP handler
+ * @file: file ptr
+ * @priv: file handle
+ * @cap: ptr to v4l2_capability structure
+ */
static int vpif_querycap(struct file *file, void *priv,
struct v4l2_capability *cap)
{
@@ -1106,7 +1114,7 @@
if (ret < 0)
return ret;
- /* Call videobuf_streamon to start streaming in videobuf */
+ /* Call videobuf_streamon to start streaming in videobuf */
ret = videobuf_streamon(&common->buffer_queue);
if (ret < 0) {
vpif_err("videobuf_streamon\n");
@@ -1873,6 +1881,8 @@
vpif_obj.sd[i]->grp_id = 1 << i;
}
+ v4l2_info(&vpif_obj.v4l2_dev,
+ "DM646x VPIF display driver initialized\n");
return 0;
probe_subdev_out: