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authorLaurent Pinchart <laurent.pinchart@ideasonboard.com>2012-03-21 08:03:21 -0300
committerMauro Carvalho Chehab <mchehab@redhat.com>2012-05-15 16:08:22 -0300
commit2b61d46e2c44568886bc099f8085aefc7107e372 (patch)
treee948595df69c6e9ad5c22a3bc00e93fb0a8ef93d /drivers/media/video/mx1_camera.c
parent584943aa0692fea9ec3356c7d4677dd7a225cdef (diff)
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[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>
Diffstat (limited to 'drivers/media/video/mx1_camera.c')
-rw-r--r--drivers/media/video/mx1_camera.c14
1 files changed, 2 insertions, 12 deletions
diff --git a/drivers/media/video/mx1_camera.c b/drivers/media/video/mx1_camera.c
index 055d11ddb038..4296a8350298 100644
--- a/drivers/media/video/mx1_camera.c
+++ b/drivers/media/video/mx1_camera.c
@@ -126,13 +126,8 @@ static int mx1_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;
-
- *size = bytes_per_line * icd->user_height;
+ *size = icd->sizeimage;
if (!*count)
*count = 32;
@@ -171,11 +166,6 @@ static int mx1_videobuf_prepare(struct videobuf_queue *vq,
struct soc_camera_device *icd = vq->priv_data;
struct mx1_buffer *buf = container_of(vb, struct mx1_buffer, vb);
int ret;
- 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, "%s (vb=0x%p) 0x%08lx %d\n", __func__,
vb, vb->baddr, vb->bsize);
@@ -202,7 +192,7 @@ static int mx1_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;