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authorJacopo Mondi <jacopo@jmondi.org>2022-11-24 09:41:56 +0100
committerJacopo Mondi <jacopo@jmondi.org>2022-12-01 11:26:44 +0100
commit869dea59a3f135d076a6c14e0d90674ef60be529 (patch)
treebe21a16509cf6ad37c9884b0419bc33835c167ea /src
parent206f5cb5259a15038090b66b109d5e6abd776fe5 (diff)
libcamera: camera_sensor: Verify flips support
During the camera sensor driver validation, verify if the sensor supports horizontal and vertical flips and store a flag as CameraSensor::supportFlips_ class member. The flag will be later inspected when applying flips. Signed-off-by: Jacopo Mondi <jacopo@jmondi.org>
Diffstat (limited to 'src')
-rw-r--r--src/libcamera/camera_sensor.cpp15
1 files changed, 14 insertions, 1 deletions
diff --git a/src/libcamera/camera_sensor.cpp b/src/libcamera/camera_sensor.cpp
index e4a3684a..3ca9d1c7 100644
--- a/src/libcamera/camera_sensor.cpp
+++ b/src/libcamera/camera_sensor.cpp
@@ -57,7 +57,8 @@ LOG_DEFINE_CATEGORY(CameraSensor)
*/
CameraSensor::CameraSensor(const MediaEntity *entity)
: entity_(entity), pad_(UINT_MAX), staticProps_(nullptr),
- bayerFormat_(nullptr), properties_(properties::properties)
+ bayerFormat_(nullptr), supportFlips_(false),
+ properties_(properties::properties)
{
}
@@ -276,6 +277,18 @@ int CameraSensor::validateSensorDriver()
}
}
+ /* Verify if sensor supports horizontal/vertical flips. */
+ const struct v4l2_query_ext_ctrl *hflipInfo = subdev_->controlInfo(V4L2_CID_HFLIP);
+ const struct v4l2_query_ext_ctrl *vflipInfo = subdev_->controlInfo(V4L2_CID_VFLIP);
+ if (hflipInfo && vflipInfo &&
+ !(hflipInfo->flags & V4L2_CTRL_FLAG_READ_ONLY) &&
+ !(vflipInfo->flags & V4L2_CTRL_FLAG_READ_ONLY))
+ supportFlips_ = true;
+
+ if (!supportFlips_)
+ LOG(CameraSensor, Warning)
+ << "Camera sensor does not support horizontal/vertical flip";
+
/*
* Make sure the required selection targets are supported.
*