osc: Identify iio_device by label 1st, name 2nd, id 3rd

These changes help when multiple instances of the same type of driver exist. Otherwise we end up with mutiple iio_device with the same name.

Signed-off-by: Dan <[email protected]>

Author: dNechita

Diff for: osc.c

@@ -449,7 +449,8 @@ static const char * device_name_check(const char *name)
 	if (!dev)
 		return NULL;
 
-	return iio_device_get_name(dev) ?: iio_device_get_id(dev);
+	return iio_device_get_label(dev) ?:
+		(iio_device_get_name(dev) ?: iio_device_get_id(dev));
 }
 
 /*
@@ -1511,7 +1512,10 @@ static int capture_setup(void)
 				min_timeout = timeout;
 		}
 
-		rx_update_device_sampling_freq(iio_device_get_id(dev), freq);
+		rx_update_device_sampling_freq(
+			iio_device_get_label(dev) ?:
+				(iio_device_get_name(dev) ?: iio_device_get_id(dev)),
+			freq);
 	}
 
 	if (ctx)
@@ -1818,8 +1822,10 @@ static void init_device_list(struct iio_context *_ctx)
 			iio_channel_set_data(ch, info);
 		}
 
-		rx_update_device_sampling_freq(iio_device_get_name(dev) ?:
-			iio_device_get_id(dev), USE_INTERN_SAMPLING_FREQ);
+		rx_update_device_sampling_freq(
+			iio_device_get_label(dev) ?:
+				(iio_device_get_name(dev) ?: iio_device_get_id(dev)),
+			USE_INTERN_SAMPLING_FREQ);
 	}
 }
 

Diff for: oscplot.c

@@ -646,8 +646,8 @@ const char * osc_plot_get_active_device (OscPlot *plot)
 	while (next_iter) {
 		gtk_tree_model_get(model, &iter, ELEMENT_REFERENCE, &dev, DEVICE_ACTIVE, &active, -1);
 		if (active)
-			return iio_device_get_name(dev) ?:
-				iio_device_get_id(dev);
+			return iio_device_get_label(dev) ?:
+				(iio_device_get_name(dev) ?: iio_device_get_id(dev));
 		next_iter = gtk_tree_model_iter_next(model, &iter);
 	}
 
@@ -2362,8 +2362,8 @@ static int plot_get_sample_count_for_transform(OscPlot *plot, Transform *transfo
 		iio_dev = priv->current_device;
 
 	return plot_get_sample_count_of_device(plot,
-			iio_device_get_name(iio_dev) ?:
-			iio_device_get_id(iio_dev));
+		iio_device_get_label(iio_dev) ?:
+			(iio_device_get_name(iio_dev) ?: iio_device_get_id(iio_dev)));
 }
 
 static void notebook_info_set_page_visibility(GtkNotebook *nb, int page, bool visbl)
@@ -2750,7 +2750,8 @@ static void collect_parameters_from_plot(OscPlot *plot)
 	for (i = 0; i < iio_context_get_devices_count(ctx); i++) {
 		struct iio_device *dev = iio_context_get_device(ctx, i);
 		struct extra_dev_info *info = iio_device_get_data(dev);
-		const char *dev_name = iio_device_get_name(dev) ?: iio_device_get_id(dev);
+		const char *dev_name = iio_device_get_label(dev) ?:
+			(iio_device_get_name(dev) ?: iio_device_get_id(dev));
 
 		if (info->input_device == false)
 			continue;
@@ -2998,7 +2999,8 @@ static void device_rx_info_update(OscPlotPrivate *priv)
 
 	for (i = 0; i < num_devices; i++) {
 		struct iio_device *dev = iio_context_get_device(priv->ctx, i);
-		const char *name = iio_device_get_name(dev) ?: iio_device_get_id(dev);
+		const char *name = iio_device_get_label(dev) ?:
+			(iio_device_get_name(dev) ?: iio_device_get_id(dev));
 		struct extra_dev_info *dev_info = iio_device_get_data(dev);
 		double freq, percent, seconds;
 		char freq_prefix, sec_prefix;
@@ -3479,7 +3481,8 @@ static bool comboboxtext_input_devices_fill(struct iio_context *iio_ctx, GtkComb
 		if (dev_info->input_device == false)
 			continue;
 
-		name = iio_device_get_name(dev) ?: iio_device_get_id(dev);
+		name = iio_device_get_label(dev) ?:
+			(iio_device_get_name(dev) ?: iio_device_get_id(dev));
 		gtk_combo_box_text_append_text(GTK_COMBO_BOX_TEXT(box), name);
 	}
 
@@ -3919,8 +3922,8 @@ static void device_list_treeview_init(OscPlot *plot)
 	for (i = 0; i < iio_context_get_devices_count(ctx); i++) {
 		struct iio_device *dev = iio_context_get_device(ctx, i);
 		struct extra_dev_info *dev_info = iio_device_get_data(dev);
-		const char *dev_name = iio_device_get_name(dev) ?:
-			iio_device_get_id(dev);
+		const char *dev_name = iio_device_get_label(dev) ?:
+			(iio_device_get_name(dev) ?: iio_device_get_id(dev));
 
 		if (dev_info->input_device == false)
 			continue;
@@ -4029,8 +4032,8 @@ static void saveas_channels_list_fill(OscPlot *plot)
 
 	for (i = 0; i < num_devices; i++) {
 		struct iio_device *dev = iio_context_get_device(priv->ctx, i);
-		const char *name = iio_device_get_name(dev) ?:
-			iio_device_get_id(dev);
+		const char *name = iio_device_get_label(dev) ?:
+			(iio_device_get_name(dev) ?: iio_device_get_id(dev));
 		struct extra_dev_info *dev_info = iio_device_get_data(dev);
 
 		if (dev_info->input_device == false)
@@ -4722,8 +4725,8 @@ static void save_as(OscPlot *plot, const char *filename, int type)
 
 			dev = iio_context_get_device(ctx, d);
 			dev_info = iio_device_get_data(dev);
-			dev_name = iio_device_get_name(dev) ?:
-				iio_device_get_id(dev);
+			dev_name = iio_device_get_label(dev) ?:
+				(iio_device_get_name(dev) ?: iio_device_get_id(dev));
 
 			/* Find which channel need to be saved */
 			save_channels_mask = get_user_saveas_channel_selection(plot, &nb_channels);
@@ -5228,8 +5231,8 @@ static int device_find_by_name(struct iio_context *ctx, const char *name)
 
 	for (i = 0; i < num_devices; i++) {
 		struct iio_device *dev = iio_context_get_device(ctx, i);
-		const char *id = iio_device_get_name(dev) ?:
-			iio_device_get_id(dev);
+		const char *id = iio_device_get_label(dev) ?:
+				(iio_device_get_name(dev) ?: iio_device_get_id(dev));
 		if (!strcmp(id, name))
 			return i;
 	}