[media] soc_camera: Use soc_camera_device::sizeimage to compute buffer sizes

Instead of computing the buffer size manually in the videobuf queue
setup and buffer prepare callbacks, use the previously negotiated
soc_camera_device::sizeimage value.

Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

1 files changed, 2 insertions, 12 deletions

diff --git a/drivers/media/video/pxa_camera.c b/drivers/media/video/pxa_camera.c
index 5a413f4427e0..6130abe31c43 100644
--- a/drivers/media/video/pxa_camera.c
+++ b/drivers/media/video/pxa_camera.c
@@ -241,15 +241,10 @@ static int pxa_videobuf_setup(struct videobuf_queue *vq, unsigned int *count,
                               unsigned int *size)
 {
         struct soc_camera_device *icd = vq->priv_data;
-        int bytes_per_line = soc_mbus_bytes_per_line(icd->user_width,
-                                                icd->current_fmt->host_fmt);
-
-        if (bytes_per_line < 0)
-                return bytes_per_line;
 
         dev_dbg(icd->parent, "count=%d, size=%d\n", *count, *size);
 
-        *size = bytes_per_line * icd->user_height;
+        *size = icd->sizeimage;
 
         if (0 == *count)
                 *count = 32;
@@ -435,11 +430,6 @@ static int pxa_videobuf_prepare(struct videobuf_queue *vq,
         struct pxa_buffer *buf = container_of(vb, struct pxa_buffer, vb);
         int ret;
         int size_y, size_u = 0, size_v = 0;
-        int bytes_per_line = soc_mbus_bytes_per_line(icd->user_width,
-                                                icd->current_fmt->host_fmt);
-
-        if (bytes_per_line < 0)
-                return bytes_per_line;
 
         dev_dbg(dev, "%s (vb=0x%p) 0x%08lx %d\n", __func__,
                 vb, vb->baddr, vb->bsize);
@@ -474,7 +464,7 @@ static int pxa_videobuf_prepare(struct videobuf_queue *vq,
                 vb->state       = VIDEOBUF_NEEDS_INIT;
         }
 
-        vb->size = bytes_per_line * vb->height;
+        vb->size = icd->sizeimage;
         if (0 != vb->baddr && vb->bsize < vb->size) {
                 ret = -EINVAL;
                 goto out;