48  * @channels:		the channel info array
49  * @num_channels:	number of channels
51  * Has the side effect of filling the channels[i].location values used
54 static unsigned int size_from_channelarray(struct iio_channel_info *channels, int num_channels)  in size_from_channelarray()  argument
61 		if (channels[i].bytes > max)  in size_from_channelarray()
62 			max = channels[i].bytes;  in size_from_channelarray()
63 		if (bytes % channels[i].bytes == 0)  in size_from_channelarray()
64 			channels[i].location = bytes;  in size_from_channelarray()
66 			channels[i].location = bytes - bytes % channels[i].bytes  in size_from_channelarray()
67 					       + channels[i].bytes;  in size_from_channelarray()
69 		bytes = channels[i].location + channels[i].bytes;  in size_from_channelarray()
178  * @channels:		information about the channels.
181  * @num_channels:	number of channels
183 static void process_scan(char *data, struct iio_channel_info *channels,  in process_scan()  argument
189 		switch (channels[k].bytes) {  in process_scan()
192 			print1byte(*(uint8_t *)(data + channels[k].location),  in process_scan()
193 				   &channels[k]);  in process_scan()
196 			print2byte(*(uint16_t *)(data + channels[k].location),  in process_scan()
197 				   &channels[k]);  in process_scan()
200 			print4byte(*(uint32_t *)(data + channels[k].location),  in process_scan()
201 				   &channels[k]);  in process_scan()
204 			print8byte(*(uint64_t *)(data + channels[k].location),  in process_scan()
205 				   &channels[k]);  in process_scan()
226 		fprintf(stderr, "Enabling/disabling channels: can't open %s\n",  in enable_disable_all_channels()
246 		perror("Enabling/disabling channels: "  in enable_disable_all_channels()
257 		"  -a         Auto-activate all available channels\n"  in print_usage()
258 		"  -A         Force-activate ALL channels\n"  in print_usage()
302 	/* Disable channels if auto-enabled */  in cleanup()
306 			fprintf(stderr, "Failed to disable all channels\n");  in cleanup()
368 	struct iio_channel_info *channels = NULL;  in main()  local
552 	 * Parse the files in scan_elements to identify what channels are  in main()
555 	ret = build_channel_array(dev_dir_name, buffer_idx, &channels, &num_channels);  in main()
563 		fprintf(stderr, "Auto-channels selected but some channels "  in main()
565 		fprintf(stderr, "Proceeding without activating any channels\n");  in main()
570 		fprintf(stderr, "Enabling all channels\n");  in main()
574 			fprintf(stderr, "Failed to enable all channels\n");  in main()
578 		/* This flags that we need to disable the channels again */  in main()
581 		ret = build_channel_array(dev_dir_name, buffer_idx, &channels,  in main()
590 			fprintf(stderr, "Still no channels after "  in main()
598 			"No channels are enabled, we have nothing to scan.\n");  in main()
599 		fprintf(stderr, "Enable channels manually in "  in main()
601 			"/*_en or pass -a to autoenable channels and "  in main()
691 	scan_size = size_from_channelarray(channels, num_channels);  in main()
758 			process_scan(data + scan_size * i, channels,  in main()
773 		free(channels[i].name);  in main()
774 		free(channels[i].generic_name);  in main()
776 	free(channels);  in main()