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| author | Clemens Ladisch <clemens@ladisch.de> | 2013-03-31 23:43:12 +0200 |
|---|---|---|
| committer | Clemens Ladisch <clemens@ladisch.de> | 2013-06-27 21:59:48 +0200 |
| commit | aafe77cc45a595ca1d4536f2412ddf671ea9108c (patch) | |
| tree | f21cc9256d40ece84da14b0c10d097fe859d4cdb /sound/usb/stream.c | |
| parent | ALSA: usb-audio: detect implicit feedback on Roland devices (diff) | |
| download | linux-aafe77cc45a595ca1d4536f2412ddf671ea9108c.tar.xz linux-aafe77cc45a595ca1d4536f2412ddf671ea9108c.zip | |
ALSA: usb-audio: add support for many Roland/Yamaha devices
Add quirks to detect the various vendor-specific descriptors used by
Roland and Yamaha in most of their recent USB audio and MIDI devices.
Together with the previous patch, this should add audio/MIDI support for
the following USB devices:
- Edirol motion dive .tokyo performance package
- Roland MC-808 Synthesizer
- Roland BK-7m Synthesizer
- Roland VIMA JM-5/8 Synthesizer
- Roland SP-555 Sequencer
- Roland V-Synth GT Synthesizer
- Roland Music Atelier AT-75/100/300/350C/500/800/900/900C Organ
- Edirol V-Mixer M-200i/300/380/400/480/R-1000
- BOSS GT-10B Effects Processor
- Roland Fantom G6/G7/G8 Keyboard
- Cakewalk Sonar V-Studio 20/100/700 Audio Interface
- Roland GW-8 Keyboard
- Roland AX-Synth Keyboard
- Roland JUNO-Di/STAGE/Gi Keyboard
- Roland VB-99 Effects Processor
- Cakewalk UM-2G MIDI Interface
- Roland A-500S Keyboard
- Roland SD-50 Synthesizer
- Roland OCTAPAD SPD-30 Controller
- Roland Lucina AX-09 Synthesizer
- BOSS BR-800 Digital Recorder
- Roland DUO/TRI-CAPTURE (EX) Audio Interface
- BOSS RC-300 Loop Station
- Roland JUPITER-50/80 Keyboard
- Roland R-26 Recorder
- Roland SPD-SX Controller
- BOSS JS-10 Audio Player
- Roland TD-11/15/30 Drum Module
- Roland A-49/88 Keyboard
- Roland INTEGRA-7 Synthesizer
- Roland R-88 Recorder
Signed-off-by: Clemens Ladisch <clemens@ladisch.de>
Diffstat (limited to 'sound/usb/stream.c')
| -rw-r--r-- | sound/usb/stream.c | 15 |
1 files changed, 12 insertions, 3 deletions
diff --git a/sound/usb/stream.c b/sound/usb/stream.c index 1ea5871cb980..c4339f97226b 100644 --- a/sound/usb/stream.c +++ b/sound/usb/stream.c @@ -493,10 +493,10 @@ int snd_usb_parse_audio_interface(struct snd_usb_audio *chip, int iface_no) altsd = get_iface_desc(alts); protocol = altsd->bInterfaceProtocol; /* skip invalid one */ - if ((altsd->bInterfaceClass != USB_CLASS_AUDIO && + if (((altsd->bInterfaceClass != USB_CLASS_AUDIO || + (altsd->bInterfaceSubClass != USB_SUBCLASS_AUDIOSTREAMING && + altsd->bInterfaceSubClass != USB_SUBCLASS_VENDOR_SPEC)) && altsd->bInterfaceClass != USB_CLASS_VENDOR_SPEC) || - (altsd->bInterfaceSubClass != USB_SUBCLASS_AUDIOSTREAMING && - altsd->bInterfaceSubClass != USB_SUBCLASS_VENDOR_SPEC) || altsd->bNumEndpoints < 1 || le16_to_cpu(get_endpoint(alts, 0)->wMaxPacketSize) == 0) continue; @@ -512,6 +512,15 @@ int snd_usb_parse_audio_interface(struct snd_usb_audio *chip, int iface_no) if (snd_usb_apply_interface_quirk(chip, iface_no, altno)) continue; + /* + * Roland audio streaming interfaces are marked with protocols + * 0/1/2, but are UAC 1 compatible. + */ + if (USB_ID_VENDOR(chip->usb_id) == 0x0582 && + altsd->bInterfaceClass == USB_CLASS_VENDOR_SPEC && + protocol <= 2) + protocol = UAC_VERSION_1; + chconfig = 0; /* get audio formats */ switch (protocol) { |