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From 2fa25532f64b6c7706b523476316490c60384db2 Mon Sep 17 00:00:00 2001
From: Vladimir Barinov <vladimir.barinov@cogentembedded.com>
Date: Tue, 2 Jul 2019 15:49:39 +0300
Subject: [PATCH] media: i2c: ap0101: add V/H flip
This adds image mirror and flip
Signed-off-by: Vladimir Barinov <vladimir.barinov@cogentembedded.com>
---
drivers/media/i2c/soc_camera/ap0101_ar014x.c | 21 ++++++++++++++++++++-
1 file changed, 20 insertions(+), 1 deletion(-)
diff --git a/drivers/media/i2c/soc_camera/ap0101_ar014x.c b/drivers/media/i2c/soc_camera/ap0101_ar014x.c
index e4f2bda..03b50e9 100644
--- a/drivers/media/i2c/soc_camera/ap0101_ar014x.c
+++ b/drivers/media/i2c/soc_camera/ap0101_ar014x.c
@@ -306,6 +306,7 @@ static int ap0101_s_ctrl(struct v4l2_ctrl *ctrl)
struct i2c_client *client = v4l2_get_subdevdata(sd);
struct ap0101_priv *priv = to_ap0101(client);
int ret = -EINVAL;
+ u16 val = 0;
if (!priv->init_complete)
return 0;
@@ -320,8 +321,26 @@ static int ap0101_s_ctrl(struct v4l2_ctrl *ctrl)
case V4L2_CID_AUTOGAIN:
case V4L2_CID_GAIN:
case V4L2_CID_EXPOSURE:
+ break;
case V4L2_CID_HFLIP:
+ reg16_read16(client, 0xc846, &val);
+ if (ctrl->val)
+ val |= 0x01;
+ else
+ val &= ~0x01;
+ reg16_write16(client, 0xc846, val);
+ reg16_write16(client, 0xfc00, 0x2800);
+ ret = reg16_write16(client, 0x0040, 0x8100);
+ break;
case V4L2_CID_VFLIP:
+ reg16_read16(client, 0xc846, &val);
+ if (ctrl->val)
+ val |= 0x02;
+ else
+ val &= ~0x02;
+ reg16_write16(client, 0xc846, val);
+ reg16_write16(client, 0xfc00, 0x2800);
+ ret = reg16_write16(client, 0x0040, 0x8100);
break;
}
@@ -558,7 +577,7 @@ static int ap0101_probe(struct i2c_client *client,
v4l2_ctrl_new_std(&priv->hdl, &ap0101_ctrl_ops,
V4L2_CID_HFLIP, 0, 1, 1, 1);
v4l2_ctrl_new_std(&priv->hdl, &ap0101_ctrl_ops,
- V4L2_CID_VFLIP, 0, 1, 1, 0);
+ V4L2_CID_VFLIP, 0, 1, 1, 1);
priv->sd.ctrl_handler = &priv->hdl;
ret = priv->hdl.error;
--
2.7.4
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