[PATCH v2] media: vimc: implement basic v4l2-ctrls

Guilherme Gallo
2018-09-04T06:09:02Z

Add brightness, contrast, hue and saturation controls in vimc-sensor

Signed-off-by: Guilherme Alcarde Gallo <gagallo7@gmail.com>
Signed-off-by: Guilherme Gallo <gagallo7@gmail.com>
---
drivers/media/platform/vimc/vimc-sensor.c | 20 ++++++++++++++++++++
1 file changed, 20 insertions(+)

diff --git a/drivers/media/platform/vimc/vimc-sensor.c b/drivers/media/platform/vimc/vimc-sensor.c
index b2b89315e7ba..edf4c85ae63d 100644
--- a/drivers/media/platform/vimc/vimc-sensor.c
+++ b/drivers/media/platform/vimc/vimc-sensor.c
@@ -317,6 +317,18 @@ static int vimc_sen_s_ctrl(struct v4l2_ctrl *ctrl)
case V4L2_CID_VFLIP:
tpg_s_vflip(&vsen->tpg, ctrl->val);
break;
+ case V4L2_CID_BRIGHTNESS:
+ tpg_s_brightness(&vsen->tpg, ctrl->val);
+ break;
+ case V4L2_CID_CONTRAST:
+ tpg_s_contrast(&vsen->tpg, ctrl->val);
+ break;
+ case V4L2_CID_HUE:
+ tpg_s_hue(&vsen->tpg, ctrl->val);
+ break;
+ case V4L2_CID_SATURATION:
+ tpg_s_saturation(&vsen->tpg, ctrl->val);
+ break;
default:
return -EINVAL;
}
@@ -378,6 +390,14 @@ static int vimc_sen_comp_bind(struct device *comp, struct device *master,
V4L2_CID_VFLIP, 0, 1, 1, 0);
v4l2_ctrl_new_std(&vsen->hdl, &vimc_sen_ctrl_ops,
V4L2_CID_HFLIP, 0, 1, 1, 0);
+ v4l2_ctrl_new_std(&vsen->hdl, &vimc_sen_ctrl_ops,
+ V4L2_CID_BRIGHTNESS, 0, 255, 1, 128);
+ v4l2_ctrl_new_std(&vsen->hdl, &vimc_sen_ctrl_ops,
+ V4L2_CID_CONTRAST, 0, 255, 1, 128);
+ v4l2_ctrl_new_std(&vsen->hdl, &vimc_sen_ctrl_ops,
+ V4L2_CID_HUE, -128, 127, 1, 0);
+ v4l2_ctrl_new_std(&vsen->hdl, &vimc_sen_ctrl_ops,
+ V4L2_CID_SATURATION, 0, 255, 1, 128);
vsen->sd.ctrl_handler = &vsen->hdl;
if (vsen->hdl.error) {
ret = vsen->hdl.error;
--
2.13.6

Changes in v2:
- Added brightness, hue and saturation controls.
- Fixed the standard values for hue control.