[libcamera-devel,v2,8/9] libcamera: camera_sensor: Register static properties
diff mbox series

Message ID 20201218164754.81422-9-jacopo@jmondi.org
State Superseded
Delegated to: Jacopo Mondi
Headers show
Series
  • libcamera: Introduce sensor database
Related show

Commit Message

Jacopo Mondi Dec. 18, 2020, 4:47 p.m. UTC
Register static properties, retrieved inspecting the sensor
database, in the CameraSensor class.

Static properties are overridden by properties retrieved from
the kernel interface at run-time if any overlap between the two
sets occurs.

Signed-off-by: Jacopo Mondi <jacopo@jmondi.org>
---
 include/libcamera/internal/camera_sensor.h |  1 +
 src/libcamera/camera_sensor.cpp            | 21 ++++++++++++++++++++-
 2 files changed, 21 insertions(+), 1 deletion(-)

Comments

Laurent Pinchart Dec. 23, 2020, 5:24 a.m. UTC | #1
Hi Jacopo,

Thank you for the patch.

On Fri, Dec 18, 2020 at 05:47:53PM +0100, Jacopo Mondi wrote:
> Register static properties, retrieved inspecting the sensor
> database, in the CameraSensor class.
> 
> Static properties are overridden by properties retrieved from
> the kernel interface at run-time if any overlap between the two
> sets occurs.
> 
> Signed-off-by: Jacopo Mondi <jacopo@jmondi.org>
> ---
>  include/libcamera/internal/camera_sensor.h |  1 +
>  src/libcamera/camera_sensor.cpp            | 21 ++++++++++++++++++++-
>  2 files changed, 21 insertions(+), 1 deletion(-)
> 
> diff --git a/include/libcamera/internal/camera_sensor.h b/include/libcamera/internal/camera_sensor.h
> index f80d836161a5..1b3a17f2ce77 100644
> --- a/include/libcamera/internal/camera_sensor.h
> +++ b/include/libcamera/internal/camera_sensor.h
> @@ -69,6 +69,7 @@ protected:
>  
>  private:
>  	int generateId();
> +	void initStaticProperties();
>  	int initProperties();
>  
>  	const MediaEntity *entity_;
> diff --git a/src/libcamera/camera_sensor.cpp b/src/libcamera/camera_sensor.cpp
> index 2b78eb4cb530..18079da2e4b5 100644
> --- a/src/libcamera/camera_sensor.cpp
> +++ b/src/libcamera/camera_sensor.cpp
> @@ -19,6 +19,7 @@
>  
>  #include "libcamera/internal/bayer_format.h"
>  #include "libcamera/internal/formats.h"
> +#include "libcamera/internal/sensor_database.h"
>  #include "libcamera/internal/sysfs.h"
>  #include "libcamera/internal/utils.h"
>  
> @@ -214,6 +215,21 @@ int CameraSensor::init()
>  	return 0;
>  }
>  
> +void CameraSensor::initStaticProperties()
> +{
> +	if (!sensorDatabase.contains(model_)) {
> +		LOG(CameraSensor, Info)
> +			<< "No static properties available for '" << model_ << "'";
> +		LOG(CameraSensor, Info)
> +			<< "Please consider updating the sensor database";

I'd upgrade this to a warning at least.

Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>

> +		return;
> +	}
> +
> +	const ControlList &staticProperties = sensorDatabase.properties(model_);
> +	for (const auto &prop : staticProperties)
> +		properties_.set(prop.first, prop.second);
> +}
> +
>  int CameraSensor::initProperties()
>  {
>  	/*
> @@ -251,7 +267,10 @@ int CameraSensor::initProperties()
>  	if (ret)
>  		return ret;
>  
> -	/* Retrieve and store the camera sensor properties. */
> +	/* Initialize the static properties from the sensor database. */
> +	initStaticProperties();
> +
> +	/* Retrieve and register properties from the kernel interface. */
>  	const ControlInfoMap &controls = subdev_->controls();
>  	int32_t propertyValue;
>

Patch
diff mbox series

diff --git a/include/libcamera/internal/camera_sensor.h b/include/libcamera/internal/camera_sensor.h
index f80d836161a5..1b3a17f2ce77 100644
--- a/include/libcamera/internal/camera_sensor.h
+++ b/include/libcamera/internal/camera_sensor.h
@@ -69,6 +69,7 @@  protected:
 
 private:
 	int generateId();
+	void initStaticProperties();
 	int initProperties();
 
 	const MediaEntity *entity_;
diff --git a/src/libcamera/camera_sensor.cpp b/src/libcamera/camera_sensor.cpp
index 2b78eb4cb530..18079da2e4b5 100644
--- a/src/libcamera/camera_sensor.cpp
+++ b/src/libcamera/camera_sensor.cpp
@@ -19,6 +19,7 @@ 
 
 #include "libcamera/internal/bayer_format.h"
 #include "libcamera/internal/formats.h"
+#include "libcamera/internal/sensor_database.h"
 #include "libcamera/internal/sysfs.h"
 #include "libcamera/internal/utils.h"
 
@@ -214,6 +215,21 @@  int CameraSensor::init()
 	return 0;
 }
 
+void CameraSensor::initStaticProperties()
+{
+	if (!sensorDatabase.contains(model_)) {
+		LOG(CameraSensor, Info)
+			<< "No static properties available for '" << model_ << "'";
+		LOG(CameraSensor, Info)
+			<< "Please consider updating the sensor database";
+		return;
+	}
+
+	const ControlList &staticProperties = sensorDatabase.properties(model_);
+	for (const auto &prop : staticProperties)
+		properties_.set(prop.first, prop.second);
+}
+
 int CameraSensor::initProperties()
 {
 	/*
@@ -251,7 +267,10 @@  int CameraSensor::initProperties()
 	if (ret)
 		return ret;
 
-	/* Retrieve and store the camera sensor properties. */
+	/* Initialize the static properties from the sensor database. */
+	initStaticProperties();
+
+	/* Retrieve and register properties from the kernel interface. */
 	const ControlInfoMap &controls = subdev_->controls();
 	int32_t propertyValue;