284 static int snd_mpu401_uart_input_open(struct snd_rawmidi_substream *substream)  in snd_mpu401_uart_input_open()  argument
289 	mpu = substream->rmidi->private_data;  in snd_mpu401_uart_input_open()
296 	mpu->substream_input = substream;  in snd_mpu401_uart_input_open()
306 static int snd_mpu401_uart_output_open(struct snd_rawmidi_substream *substream)  in snd_mpu401_uart_output_open()  argument
311 	mpu = substream->rmidi->private_data;  in snd_mpu401_uart_output_open()
318 	mpu->substream_output = substream;  in snd_mpu401_uart_output_open()
328 static int snd_mpu401_uart_input_close(struct snd_rawmidi_substream *substream)  in snd_mpu401_uart_input_close()  argument
333 	mpu = substream->rmidi->private_data;  in snd_mpu401_uart_input_close()
345 static int snd_mpu401_uart_output_close(struct snd_rawmidi_substream *substream)  in snd_mpu401_uart_output_close()  argument
350 	mpu = substream->rmidi->private_data;  in snd_mpu401_uart_output_close()
366 snd_mpu401_uart_input_trigger(struct snd_rawmidi_substream *substream, int up)  in snd_mpu401_uart_input_trigger()  argument
372 	mpu = substream->rmidi->private_data;  in snd_mpu401_uart_input_trigger()
453 snd_mpu401_uart_output_trigger(struct snd_rawmidi_substream *substream, int up)  in snd_mpu401_uart_output_trigger()  argument
458 	mpu = substream->rmidi->private_data;  in snd_mpu401_uart_output_trigger()