drivers: video: Rename signal variables to avoid compliance violation

Rename signal variables to sig to be compliant with code rule 21.2

Signed-off-by: Phi Bang Nguyen <phibang.nguyen@nxp.com>

Author: ngphibang

drivers/video/video_mcux_csi.c

@@ -32,7 +32,7 @@ struct video_mcux_csi_data {
 	csi_handle_t csi_handle;
 	struct k_fifo fifo_in;
 	struct k_fifo fifo_out;
-	struct k_poll_signal *signal;
+	struct k_poll_signal *sig;
 };
 
 static void __frame_done_cb(CSI_Type *base, csi_handle_t *handle, status_t status, void *user_data)
@@ -92,8 +92,8 @@ static void __frame_done_cb(CSI_Type *base, csi_handle_t *handle, status_t statu
 
 done:
 	/* Trigger Event */
-	if (IS_ENABLED(CONFIG_POLL) && data->signal) {
-		k_poll_signal_raise(data->signal, result);
+	if (IS_ENABLED(CONFIG_POLL) && data->sig) {
+		k_poll_signal_raise(data->sig, result);
 	}
 
 	return;
@@ -246,8 +246,8 @@ static int video_mcux_csi_flush(const struct device *dev, bool cancel)
 
 		while ((vbuf = k_fifo_get(&data->fifo_in, K_NO_WAIT))) {
 			k_fifo_put(&data->fifo_out, vbuf);
-			if (IS_ENABLED(CONFIG_POLL) && data->signal) {
-				k_poll_signal_raise(data->signal, VIDEO_BUF_ABORTED);
+			if (IS_ENABLED(CONFIG_POLL) && data->sig) {
+				k_poll_signal_raise(data->sig, VIDEO_BUF_ABORTED);
 			}
 		}
 	}
@@ -371,15 +371,15 @@ static int video_mcux_csi_init(const struct device *dev)
 }
 
 #ifdef CONFIG_POLL
-static int video_mcux_csi_set_signal(const struct device *dev, struct k_poll_signal *signal)
+static int video_mcux_csi_set_signal(const struct device *dev, struct k_poll_signal *sig)
 {
 	struct video_mcux_csi_data *data = dev->data;
 
-	if (data->signal && signal != NULL) {
+	if (data->sig && sig != NULL) {
 		return -EALREADY;
 	}
 
-	data->signal = signal;
+	data->sig = sig;
 
 	return 0;
 }

drivers/video/video_sw_generator.c

@@ -40,7 +40,7 @@ struct video_sw_generator_data {
 	struct k_work_delayable buf_work;
 	struct k_work_sync work_sync;
 	int pattern;
-	struct k_poll_signal *signal;
+	struct k_poll_signal *sig;
 	uint32_t frame_rate;
 };
 
@@ -163,8 +163,8 @@ static void __buffer_work(struct k_work *work)
 
 	k_fifo_put(&data->fifo_out, vbuf);
 
-	if (IS_ENABLED(CONFIG_POLL) && data->signal) {
-		k_poll_signal_raise(data->signal, VIDEO_BUF_DONE);
+	if (IS_ENABLED(CONFIG_POLL) && data->sig) {
+		k_poll_signal_raise(data->sig, VIDEO_BUF_DONE);
 	}
 
 	k_yield();
@@ -205,8 +205,8 @@ static int video_sw_generator_flush(const struct device *dev, bool cancel)
 	} else {
 		while ((vbuf = k_fifo_get(&data->fifo_in, K_NO_WAIT))) {
 			k_fifo_put(&data->fifo_out, vbuf);
-			if (IS_ENABLED(CONFIG_POLL) && data->signal) {
-				k_poll_signal_raise(data->signal, VIDEO_BUF_ABORTED);
+			if (IS_ENABLED(CONFIG_POLL) && data->sig) {
+				k_poll_signal_raise(data->sig, VIDEO_BUF_ABORTED);
 			}
 		}
 	}
@@ -226,15 +226,15 @@ static int video_sw_generator_get_caps(const struct device *dev, struct video_ca
 }
 
 #ifdef CONFIG_POLL
-static int video_sw_generator_set_signal(const struct device *dev, struct k_poll_signal *signal)
+static int video_sw_generator_set_signal(const struct device *dev, struct k_poll_signal *sig)
 {
 	struct video_sw_generator_data *data = dev->data;
 
-	if (data->signal && signal != NULL) {
+	if (data->sig && sig != NULL) {
 		return -EALREADY;
 	}
 
-	data->signal = signal;
+	data->sig = sig;
 
 	return 0;
 }

include/zephyr/drivers/video.h

@@ -341,7 +341,7 @@ typedef int (*video_api_get_caps_t)(const struct device *dev, struct video_caps
  *
  * See video_set_signal() for argument descriptions.
  */
-typedef int (*video_api_set_signal_t)(const struct device *dev, struct k_poll_signal *signal);
+typedef int (*video_api_set_signal_t)(const struct device *dev, struct k_poll_signal *sig);
 
 __subsystem struct video_driver_api {
 	/* mandatory callbacks */
@@ -706,19 +706,19 @@ void video_print_ctrl(const struct device *const dev, const struct video_ctrl_qu
  * unregisters any previously registered signal.
  *
  * @param dev Pointer to the device structure for the driver instance.
- * @param signal Pointer to k_poll_signal
+ * @param sig Pointer to k_poll_signal
  *
  * @retval 0 Is successful, -ERRNO code otherwise.
  */
-static inline int video_set_signal(const struct device *dev, struct k_poll_signal *signal)
+static inline int video_set_signal(const struct device *dev, struct k_poll_signal *sig)
 {
 	const struct video_driver_api *api = (const struct video_driver_api *)dev->api;
 
 	if (api->set_signal == NULL) {
 		return -ENOSYS;
 	}
 
-	return api->set_signal(dev, signal);
+	return api->set_signal(dev, sig);
 }
 
 /**