151 static bool configure_streams(const struct device *i2s_dev_rx,  in configure_streams()  argument
157 	if (i2s_dev_rx == i2s_dev_tx) {  in configure_streams()
158 		ret = i2s_configure(i2s_dev_rx, I2S_DIR_BOTH, config);  in configure_streams()
171 	ret = i2s_configure(i2s_dev_rx, I2S_DIR_RX, config);  in configure_streams()
186 static bool prepare_transfer(const struct device *i2s_dev_rx,  in prepare_transfer()  argument
212 static bool trigger_command(const struct device *i2s_dev_rx,  in trigger_command()  argument
218 	if (i2s_dev_rx == i2s_dev_tx) {  in trigger_command()
219 		ret = i2s_trigger(i2s_dev_rx, I2S_DIR_BOTH, cmd);  in trigger_command()
232 	ret = i2s_trigger(i2s_dev_rx, I2S_DIR_RX, cmd);  in trigger_command()
249 	const struct device *const i2s_dev_rx = DEVICE_DT_GET(I2S_RX_NODE);  in main()  local
265 	if (!device_is_ready(i2s_dev_rx)) {  in main()
266 		printk("%s is not ready\n", i2s_dev_rx->name);  in main()
270 	if (i2s_dev_rx != i2s_dev_tx && !device_is_ready(i2s_dev_tx)) {  in main()
283 	if (!configure_streams(i2s_dev_rx, i2s_dev_tx, &config)) {  in main()
290 		if (!prepare_transfer(i2s_dev_rx, i2s_dev_tx)) {  in main()
294 		if (!trigger_command(i2s_dev_rx, i2s_dev_tx,  in main()
306 			ret = i2s_read(i2s_dev_rx, &mem_block, &block_size);  in main()
321 		if (!trigger_command(i2s_dev_rx, i2s_dev_tx,  in main()