diff options
author | Todor Tomov <todor.tomov@linaro.org> | 2018-07-25 12:38:22 -0400 |
---|---|---|
committer | Mauro Carvalho Chehab <mchehab+samsung@kernel.org> | 2018-08-02 06:15:55 -0400 |
commit | a93e5f4fc8dfecd15df51ae176a77ce5b0db82b1 (patch) | |
tree | 50dd5031dbfc8921c1f8eb52dff05749495cf8e6 /drivers/media/platform | |
parent | c9896b655177892cfaed2c0910fd55f44772ecad (diff) |
media: camss: vfe: Get line pointer as container of video_out
Simplify getting of the line pointer by using the container_of
macro instead of traversing media controller links.
Signed-off-by: Todor Tomov <todor.tomov@linaro.org>
Signed-off-by: Hans Verkuil <hansverk@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
Diffstat (limited to 'drivers/media/platform')
-rw-r--r-- | drivers/media/platform/qcom/camss/camss-vfe.c | 38 |
1 files changed, 4 insertions, 34 deletions
diff --git a/drivers/media/platform/qcom/camss/camss-vfe.c b/drivers/media/platform/qcom/camss/camss-vfe.c index 51ad3f8ce73d..77167f11b655 100644 --- a/drivers/media/platform/qcom/camss/camss-vfe.c +++ b/drivers/media/platform/qcom/camss/camss-vfe.c @@ -2038,26 +2038,6 @@ exit: } /* - * vfe_video_pad_to_line - Get pointer to VFE line by media pad - * @pad: Media pad - * - * Return pointer to vfe line structure - */ -static struct vfe_line *vfe_video_pad_to_line(struct media_pad *pad) -{ - struct media_pad *vfe_pad; - struct v4l2_subdev *subdev; - - vfe_pad = media_entity_remote_pad(pad); - if (vfe_pad == NULL) - return NULL; - - subdev = media_entity_to_v4l2_subdev(vfe_pad->entity); - - return container_of(subdev, struct vfe_line, subdev); -} - -/* * vfe_queue_buffer - Add empty buffer * @vid: Video device structure * @buf: Buffer to be enqueued @@ -2070,16 +2050,11 @@ static struct vfe_line *vfe_video_pad_to_line(struct media_pad *pad) static int vfe_queue_buffer(struct camss_video *vid, struct camss_buffer *buf) { - struct vfe_device *vfe = &vid->camss->vfe; - struct vfe_line *line; + struct vfe_line *line = container_of(vid, struct vfe_line, video_out); + struct vfe_device *vfe = to_vfe(line); struct vfe_output *output; unsigned long flags; - line = vfe_video_pad_to_line(&vid->pad); - if (!line) { - dev_err(to_device(vfe), "Can not queue buffer\n"); - return -1; - } output = &line->output; spin_lock_irqsave(&vfe->output_lock, flags); @@ -2104,16 +2079,11 @@ static int vfe_queue_buffer(struct camss_video *vid, static int vfe_flush_buffers(struct camss_video *vid, enum vb2_buffer_state state) { - struct vfe_device *vfe = &vid->camss->vfe; - struct vfe_line *line; + struct vfe_line *line = container_of(vid, struct vfe_line, video_out); + struct vfe_device *vfe = to_vfe(line); struct vfe_output *output; unsigned long flags; - line = vfe_video_pad_to_line(&vid->pad); - if (!line) { - dev_err(to_device(vfe), "Can not flush buffers\n"); - return -1; - } output = &line->output; spin_lock_irqsave(&vfe->output_lock, flags); |