video: stm32: dcmipp: make isp handling depends on pixel pipes

ISP is part of the pixel pipes hence it doesn't make any sense to
try to call ISP external handlers if the DCMIPP doesn't have pixel
pipes available.

Signed-off-by: Alain Volmat <[email protected]>

Author: Alain Volmat

drivers/video/video_stm32_dcmipp.c

@@ -34,6 +34,7 @@
 #define STM32_DCMIPP_HAS_PIXEL_PIPES
 #endif
 
+#if defined(STM32_DCMIPP_HAS_PIXEL_PIPES)
 /* Weak function declaration in order to interface with external ISP handler */
 void __weak stm32_dcmipp_isp_vsync_update(DCMIPP_HandleTypeDef *hdcmipp, uint32_t Pipe)
 {
@@ -53,6 +54,7 @@ int __weak stm32_dcmipp_isp_stop(void)
 {
 	return 0;
 }
+#endif
 
 LOG_MODULE_REGISTER(stm32_dcmipp, CONFIG_VIDEO_LOG_LEVEL);
 
@@ -171,11 +173,13 @@ void HAL_DCMIPP_PIPE_VsyncEventCallback(DCMIPP_HandleTypeDef *hdcmipp, uint32_t
 	struct stm32_dcmipp_pipe_data *pipe = dcmipp->pipe[Pipe];
 	int ret;
 
+#if defined(STM32_DCMIPP_HAS_PIXEL_PIPES)
 	/*
 	 * Let the external ISP handler know that a VSYNC happened a new statistics are
 	 * thus available
 	 */
 	stm32_dcmipp_isp_vsync_update(hdcmipp, Pipe);
+#endif
 
 	if (pipe->state != STM32_DCMIPP_RUNNING) {
 		return;
@@ -1029,13 +1033,13 @@ static int stm32_dcmipp_stream_enable(const struct device *dev)
 			goto out;
 		}
 	}
-#endif
 
 	/* Initialize the external ISP handling stack */
 	ret = stm32_dcmipp_isp_init(&dcmipp->hdcmipp, config->source_dev);
 	if (ret < 0) {
 		goto out;
 	}
+#endif
 
 	/* Enable the DCMIPP Pipeline */
 	if (config->bus_type == VIDEO_BUS_TYPE_PARALLEL) {
@@ -1082,11 +1086,13 @@ static int stm32_dcmipp_stream_enable(const struct device *dev)
 		}
 	}
 
+#if defined(STM32_DCMIPP_HAS_PIXEL_PIPES)
 	/* Start the external ISP handling */
 	ret = stm32_dcmipp_isp_start();
 	if (ret < 0) {
 		goto out;
 	}
+#endif
 
 	pipe->state = STM32_DCMIPP_RUNNING;
 	pipe->is_streaming = true;
@@ -1112,11 +1118,13 @@ static int stm32_dcmipp_stream_disable(const struct device *dev)
 		goto out;
 	}
 
+#if defined(STM32_DCMIPP_HAS_PIXEL_PIPES)
 	/* Stop the external ISP handling */
 	ret = stm32_dcmipp_isp_stop();
 	if (ret < 0) {
 		goto out;
 	}
+#endif
 
 	/* Disable the DCMIPP Pipeline */
 	if (config->bus_type == VIDEO_BUS_TYPE_PARALLEL) {