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media: videobuf2-v4l2: replace if by switch in __fill_vb2_buffer()

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Replace 'if' statements by a switch in __fill_vb2_buffer()
in preparation of the next patch.

No other changes.

Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Reviewed-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
This commit is contained in:
Hans Verkuil 2018-08-14 05:29:40 -04:00 committed by Mauro Carvalho Chehab
parent 5f89ec80f1
commit 0af4e80bf2
1 changed files with 14 additions and 7 deletions
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21
drivers/media/common/videobuf2/videobuf2-v4l2.c
View file

@ -190,21 +190,25 @@ static int __fill_vb2_buffer(struct vb2_buffer *vb,
vbuf->sequence = 0;
if (V4L2_TYPE_IS_MULTIPLANAR(b->type)) {
if (b->memory == VB2_MEMORY_USERPTR) {
switch (b->memory) {
case VB2_MEMORY_USERPTR:
for (plane = 0; plane < vb->num_planes; ++plane) {
planes[plane].m.userptr =
b->m.planes[plane].m.userptr;
planes[plane].length =
b->m.planes[plane].length;
}
}
if (b->memory == VB2_MEMORY_DMABUF) {
break;
case VB2_MEMORY_DMABUF:
for (plane = 0; plane < vb->num_planes; ++plane) {
planes[plane].m.fd =
b->m.planes[plane].m.fd;
planes[plane].length =
b->m.planes[plane].length;
}
break;
default:
break;
}
/* Fill in driver-provided information for OUTPUT types */
@ -255,14 +259,17 @@ static int __fill_vb2_buffer(struct vb2_buffer *vb,
* the driver should use the allow_zero_bytesused flag to keep
* old userspace applications working.
*/
if (b->memory == VB2_MEMORY_USERPTR) {
switch (b->memory) {
case VB2_MEMORY_USERPTR:
planes[0].m.userptr = b->m.userptr;
planes[0].length = b->length;
}
if (b->memory == VB2_MEMORY_DMABUF) {
break;
case VB2_MEMORY_DMABUF:
planes[0].m.fd = b->m.fd;
planes[0].length = b->length;
break;
default:
break;
}
if (V4L2_TYPE_IS_OUTPUT(b->type)) {