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From 6c0c041b3bbfec436e96fe09fdbf5072688b7ad2 Mon Sep 17 00:00:00 2001
From: Vladimir Barinov <vladimir.barinov@cogentembedded.com>
Date: Wed, 12 Feb 2020 01:24:14 +0300
Subject: [PATCH] media: i2c: soc_camera: add V4L2_CID_MIN_BUFFERS_FOR_CAPTURE
Add V4L2_CID_MIN_BUFFERS_FOR_CAPTURE for isx016 and ap0101
Signed-off-by: Vladimir Barinov <vladimir.barinov@cogentembedded.com>
---
drivers/media/i2c/soc_camera/ap0101_ar014x.c | 8 ++++++++
drivers/media/i2c/soc_camera/isx016.c | 8 ++++++++
2 files changed, 16 insertions(+)
diff --git a/drivers/media/i2c/soc_camera/ap0101_ar014x.c b/drivers/media/i2c/soc_camera/ap0101_ar014x.c
index 4df5793..c458044 100644
--- a/drivers/media/i2c/soc_camera/ap0101_ar014x.c
+++ b/drivers/media/i2c/soc_camera/ap0101_ar014x.c
@@ -347,6 +347,9 @@ static int ap0101_s_ctrl(struct v4l2_ctrl *ctrl)
reg16_write16(client, 0xfc00, 0x2800);
ret = reg16_write16(client, 0x0040, 0x8100);
break;
+ case V4L2_CID_MIN_BUFFERS_FOR_CAPTURE:
+ ret = 0;
+ break;
}
return ret;
@@ -552,6 +555,7 @@ static int ap0101_probe(struct i2c_client *client,
const struct i2c_device_id *did)
{
struct ap0101_priv *priv;
+ struct v4l2_ctrl *ctrl;
int ret;
priv = devm_kzalloc(&client->dev, sizeof(*priv), GFP_KERNEL);
@@ -587,6 +591,10 @@ static int ap0101_probe(struct i2c_client *client,
V4L2_CID_HFLIP, 0, 1, 1, 1);
v4l2_ctrl_new_std(&priv->hdl, &ap0101_ctrl_ops,
V4L2_CID_VFLIP, 0, 1, 1, 1);
+ ctrl = v4l2_ctrl_new_std(&priv->hdl, &ov490_ctrl_ops,
+ V4L2_CID_MIN_BUFFERS_FOR_CAPTURE, 1, 32, 1, 9);
+ if (ctrl)
+ ctrl->flags &= ~V4L2_CTRL_FLAG_READ_ONLY;
priv->sd.ctrl_handler = &priv->hdl;
ret = priv->hdl.error;
diff --git a/drivers/media/i2c/soc_camera/isx016.c b/drivers/media/i2c/soc_camera/isx016.c
index a9f137c..3001df9 100644
--- a/drivers/media/i2c/soc_camera/isx016.c
+++ b/drivers/media/i2c/soc_camera/isx016.c
@@ -319,6 +319,9 @@ static int isx016_s_ctrl(struct v4l2_ctrl *ctrl)
case V4L2_CID_HFLIP:
case V4L2_CID_VFLIP:
break;
+ case V4L2_CID_MIN_BUFFERS_FOR_CAPTURE:
+ ret = 0;
+ break;
}
return ret;
@@ -519,6 +522,7 @@ static int isx016_probe(struct i2c_client *client,
const struct i2c_device_id *did)
{
struct isx016_priv *priv;
+ struct v4l2_ctrl *ctrl;
int ret;
priv = devm_kzalloc(&client->dev, sizeof(*priv), GFP_KERNEL);
@@ -554,6 +558,10 @@ static int isx016_probe(struct i2c_client *client,
V4L2_CID_HFLIP, 0, 1, 1, 1);
v4l2_ctrl_new_std(&priv->hdl, &isx016_ctrl_ops,
V4L2_CID_VFLIP, 0, 1, 1, 0);
+ ctrl = v4l2_ctrl_new_std(&priv->hdl, &ov490_ctrl_ops,
+ V4L2_CID_MIN_BUFFERS_FOR_CAPTURE, 1, 32, 1, 9);
+ if (ctrl)
+ ctrl->flags &= ~V4L2_CTRL_FLAG_READ_ONLY;
priv->sd.ctrl_handler = &priv->hdl;
ret = priv->hdl.error;
--
2.7.4
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