diff options
| author |   Libin Yang <lbyang@marvell.com> | 2013-07-03 01:56:01 -0300 |
|---|---|---|
| committer |   Mauro Carvalho Chehab <m.chehab@samsung.com> | 2013-07-26 13:24:53 -0300 |
| commit | 1d3953fb16c6d0c6ea099b6cfece08d19e6b1c51 (patch) | |
| tree | 2cb12c7abe013ce38d45527e4cb3a2575da1df84 /drivers/media/platform/marvell-ccic | |
| parent | [media] marvell-ccic: reset ccic phy when stop streaming for stability (diff) | |
| download | linux-dev-1d3953fb16c6d0c6ea099b6cfece08d19e6b1c51.tar.xz linux-dev-1d3953fb16c6d0c6ea099b6cfece08d19e6b1c51.zip | |
[media] marvell-ccic: refine mcam_set_contig_buffer function
This patch refines mcam_set_contig_buffer() in mcam core.
It can remove redundant code line and enhance readability.
Signed-off-by: Albert Wang <twang13@marvell.com>
Signed-off-by: Libin Yang <lbyang@marvell.com>
Acked-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Acked-by: Jonathan Corbet <corbet@lwn.net>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
Diffstat (limited to 'drivers/media/platform/marvell-ccic')
| -rw-r--r-- | drivers/media/platform/marvell-ccic/mcam-core.c | 21 |
1 files changed, 10 insertions, 11 deletions
diff --git a/drivers/media/platform/marvell-ccic/mcam-core.c b/drivers/media/platform/marvell-ccic/mcam-core.c index 56d489bab39b..b0f7e2303ed8 100644 --- a/drivers/media/platform/marvell-ccic/mcam-core.c +++ b/drivers/media/platform/marvell-ccic/mcam-core.c @@ -481,22 +481,21 @@ static void mcam_set_contig_buffer(struct mcam_camera *cam, int frame) */ if (list_empty(&cam->buffers)) { buf = cam->vb_bufs[frame ^ 0x1]; - cam->vb_bufs[frame] = buf; - mcam_reg_write(cam, frame == 0 ? REG_Y0BAR : REG_Y1BAR, - vb2_dma_contig_plane_dma_addr(&buf->vb_buf, 0)); set_bit(CF_SINGLE_BUFFER, &cam->flags); cam->frame_state.singles++; - return; + } else { + /* + * OK, we have a buffer we can use. + */ + buf = list_first_entry(&cam->buffers, struct mcam_vb_buffer, + queue); + list_del_init(&buf->queue); + clear_bit(CF_SINGLE_BUFFER, &cam->flags); } - /* - * OK, we have a buffer we can use. - */ - buf = list_first_entry(&cam->buffers, struct mcam_vb_buffer, queue); - list_del_init(&buf->queue); + + cam->vb_bufs[frame] = buf; mcam_reg_write(cam, frame == 0 ? REG_Y0BAR : REG_Y1BAR, vb2_dma_contig_plane_dma_addr(&buf->vb_buf, 0)); - cam->vb_bufs[frame] = buf; - clear_bit(CF_SINGLE_BUFFER, &cam->flags); } /* |