libcamera: Rename 'method' to 'function'

Usage of 'method' to refer to member functions comes from Java. The C++
standard uses the term 'function' only. Replace 'method' with 'function'
or 'member function' through the whole code base and documentation.
While at it, fix two typos (s/backeng/backend/).

The BoundMethod and Object::invokeMethod() are left as-is here, and will
be addressed separately.

Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Paul Elder <paul.elder@ideasonboard.com>
Acked-by: Kieran Bingham <kieran.bingham@ideasonboard.com>

7 files changed, 16 insertions, 16 deletions

diff --git a/src/ipa/raspberrypi/cam_helper.cpp b/src/ipa/raspberrypi/cam_helper.cpp
index 8f64e014..74179399 100644
--- a/src/ipa/raspberrypi/cam_helper.cpp
+++ b/src/ipa/raspberrypi/cam_helper.cpp
@@ -117,7 +117,7 @@ void CamHelper::GetDelays(int &exposure_delay, int &gain_delay,
 {
 	/*
 	 * These values are correct for many sensors. Other sensors will
-	 * need to over-ride this method.
+	 * need to over-ride this function.
 	 */
 	exposure_delay = 2;
 	gain_delay = 1;
@@ -133,7 +133,7 @@ double CamHelper::GetModeSensitivity([[maybe_unused]] const CameraMode &mode) co
 {
 	/*
 	 * Most sensors have the same sensitivity in every mode, but this
-	 * method can be overridden for those that do not. Note that it is
+	 * function can be overridden for those that do not. Note that it is
 	 * called before mode_ is set, so it must return the sensitivity
 	 * of the mode that is passed in.
 	 */
diff --git a/src/ipa/raspberrypi/cam_helper.hpp b/src/ipa/raspberrypi/cam_helper.hpp
index 0643b77a..a776153f 100644
--- a/src/ipa/raspberrypi/cam_helper.hpp
+++ b/src/ipa/raspberrypi/cam_helper.hpp
@@ -34,25 +34,25 @@ namespace RPiController {
 // exposure time, and to convert between the sensor's gain codes and actual
 // gains.
 //
-// A method to return the number of frames of delay between updating exposure,
+// A function to return the number of frames of delay between updating exposure,
 // analogue gain and vblanking, and for the changes to take effect. For many
 // sensors these take the values 2, 1 and 2 respectively, but sensors that are
-// different will need to over-ride the default method provided.
+// different will need to over-ride the default function provided.
 //
-// A method to query if the sensor outputs embedded data that can be parsed.
+// A function to query if the sensor outputs embedded data that can be parsed.
 //
-// A method to return the sensitivity of a given camera mode.
+// A function to return the sensitivity of a given camera mode.
 //
 // A parser to parse the embedded data buffers provided by some sensors (for
 // example, the imx219 does; the ov5647 doesn't). This allows us to know for
 // sure the exposure and gain of the frame we're looking at. CamHelper
-// provides methods for converting analogue gains to and from the sensor's
+// provides functions for converting analogue gains to and from the sensor's
 // native gain codes.
 //
-// Finally, a set of methods that determine how to handle the vagaries of
+// Finally, a set of functions that determine how to handle the vagaries of
 // different camera modules on start-up or when switching modes. Some
 // modules may produce one or more frames that are not yet correctly exposed,
-// or where the metadata may be suspect. We have the following methods:
+// or where the metadata may be suspect. We have the following functions:
 // HideFramesStartup(): Tell the pipeline handler not to return this many
 //     frames at start-up. This can also be used to hide initial frames
 //     while the AGC and other algorithms are sorting themselves out.
diff --git a/src/ipa/raspberrypi/controller/controller.hpp b/src/ipa/raspberrypi/controller/controller.hpp
index 49b1a551..3b50ae77 100644
--- a/src/ipa/raspberrypi/controller/controller.hpp
+++ b/src/ipa/raspberrypi/controller/controller.hpp
@@ -27,8 +27,8 @@ typedef std::shared_ptr<bcm2835_isp_stats> StatisticsPtr;
 
 // The Controller holds a pointer to some global_metadata, which is how
 // different controllers and control algorithms within them can exchange
-// information. The Prepare method returns a pointer to metadata for this
-// specific image, and which should be passed on to the Process method.
+// information. The Prepare function returns a pointer to metadata for this
+// specific image, and which should be passed on to the Process function.
 
 class Controller
 {
diff --git a/src/ipa/raspberrypi/controller/rpi/alsc.hpp b/src/ipa/raspberrypi/controller/rpi/alsc.hpp
index 13d1ba54..9616b99e 100644
--- a/src/ipa/raspberrypi/controller/rpi/alsc.hpp
+++ b/src/ipa/raspberrypi/controller/rpi/alsc.hpp
@@ -82,7 +82,7 @@ private:
 	int frame_phase_;
 	// counts up to startup_frames
 	int frame_count_;
-	// counts up to startup_frames for Process method
+	// counts up to startup_frames for Process function
 	int frame_count2_;
 	double sync_results_[3][ALSC_CELLS_Y][ALSC_CELLS_X];
 	double prev_sync_results_[3][ALSC_CELLS_Y][ALSC_CELLS_X];
diff --git a/src/ipa/raspberrypi/controller/rpi/sharpen.cpp b/src/ipa/raspberrypi/controller/rpi/sharpen.cpp
index b0c2e00a..18825a43 100644
--- a/src/ipa/raspberrypi/controller/rpi/sharpen.cpp
+++ b/src/ipa/raspberrypi/controller/rpi/sharpen.cpp
@@ -50,7 +50,7 @@ void Sharpen::Read(boost::property_tree::ptree const &params)
 
 void Sharpen::SetStrength(double strength)
 {
-	// Note that this method is how an application sets the overall
+	// Note that this function is how an application sets the overall
 	// sharpening "strength". We call this the "user strength" field
 	// as there already is a strength_ field - being an internal gain
 	// parameter that gets passed to the ISP control code. Negative
diff --git a/src/ipa/raspberrypi/md_parser.hpp b/src/ipa/raspberrypi/md_parser.hpp
index e3e27385..d32d0f54 100644
--- a/src/ipa/raspberrypi/md_parser.hpp
+++ b/src/ipa/raspberrypi/md_parser.hpp
@@ -113,8 +113,8 @@ protected:
 
 /*
  * This isn't a full implementation of a metadata parser for SMIA sensors,
- * however, it does provide the findRegs method which will prove useful and make
- * it easier to implement parsers for other SMIA-like sensors (see
+ * however, it does provide the findRegs function which will prove useful and
+ * make it easier to implement parsers for other SMIA-like sensors (see
  * md_parser_imx219.cpp for an example).
  */
 
diff --git a/src/ipa/raspberrypi/raspberrypi.cpp b/src/ipa/raspberrypi/raspberrypi.cpp
index 48e11c69..69d36b7d 100644
--- a/src/ipa/raspberrypi/raspberrypi.cpp
+++ b/src/ipa/raspberrypi/raspberrypi.cpp
@@ -741,7 +741,7 @@ void IPARPi::queueRequest(const ControlList &controls)
 			}
 
 			/*
-			 * The SetEv() method takes in a direct exposure multiplier.
+			 * The SetEv() function takes in a direct exposure multiplier.
 			 * So convert to 2^EV
 			 */
 			double ev = pow(2.0, ctrl.second.get<float>());