Skip to contentSkip to conversation

media: vimc: implement basic v4l2-ctrls

PATCH Superseded Guilherme Gallo 2 participants 2 messages Aug 22, 2018 Media (V4L/DVB)

v1 of 2 Superseded Latest is v2 →

lore
Share & tools
lore
#0 lore raw

PATCH 1/1 media: vimc: implement basic v4l2-ctrls

Implement brightness, contrast and hue controls in vimc-sensor

---
 drivers/media/platform/vimc/vimc-sensor.c | 15 +++++++++++++++
 1 file changed, 15 insertions(+)
drivers/media/platform/vimc/vimc-sensor.c +15 -0
index 605e2a2d5dd5..ecc82cd60900 100644
@@ -316,6 +316,15 @@ 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;
 	default:
 		return -EINVAL;
 	}
@@ -377,6 +386,12 @@ 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, 0, 255, 1, 128);
 	vsen->sd.ctrl_handler = &vsen->hdl;
 	if (vsen->hdl.error) {
 		ret = vsen->hdl.error;
Signature · 1 line
2.13.6
#1 lore raw

Hi Guilherme,

Thank you for your patch. It looks good, but can you add support for V4L2_CID_SATURATION as well? The TPG supports that as well, so there is no reason to leave that out.

Thank you!

Hans

Quoted 41 lines · Guilherme Gallo

Implement brightness, contrast and hue controls in vimc-sensor

---
 drivers/media/platform/vimc/vimc-sensor.c | 15 +++++++++++++++
 1 file changed, 15 insertions(+)
drivers/media/platform/vimc/vimc-sensor.c +15 -0
index 605e2a2d5dd5..ecc82cd60900 100644
@@ -316,6 +316,15 @@ 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;
 	default:
 		return -EINVAL;
 	}
@@ -377,6 +386,12 @@ 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, 0, 255, 1, 128);
 	vsen->sd.ctrl_handler = &vsen->hdl;
 	if (vsen->hdl.error) {
 		ret = vsen->hdl.error;