firewire/bebob/bebob_yamaha_terratec.c

1 // SPDX-License-Identifier: GPL-2.0-only
3  * bebob_yamaha.c - a part of driver for BeBoB based devices
5  * Copyright (c) 2013-2014 Takashi Sakamoto
12  * Yamaha GO44 is not designed to be used as stand-alone mixer. So any streams
16  * way to recover this state. GO46 is better for stand-alone mixer.
19  * At 192.0kHz, the device reports 4 PCM-in, 1 MIDI-in, 6 PCM-out, 1 MIDI-out.
20  * But Yamaha's driver reduce 2 PCM-in, 1 MIDI-in, 2 PCM-out, 1 MIDI-out to use
21  * 'Extended Stream Format Information Command - Single Request' in 'Additional
25  * Unfortunately current 'ffado-mixer' generated many asynchronous transaction
27  * recommend users to close ffado-mixer at 192.0kHz if mixer is needless.
29  * Terratec PHASE 24 FW and PHASE X24 FW are internally the same as
42 	err = avc_audio_get_selector(bebob->unit, 0, 4, id);  in clk_src_get()
47 		return -EIO;  in clk_src_get()