/* * tascam-midi.c - a part of driver for TASCAM FireWire series * * Copyright (c) 2015 Takashi Sakamoto * * Licensed under the terms of the GNU General Public License, version 2. */ #include "tascam.h" static int midi_capture_open(struct snd_rawmidi_substream *substream) { /* Do nothing. */ return 0; } static int midi_playback_open(struct snd_rawmidi_substream *substream) { struct snd_tscm *tscm = substream->rmidi->private_data; /* Initialize internal status. */ tscm->running_status[substream->number] = 0; tscm->on_sysex[substream->number] = 0; return 0; } static int midi_capture_close(struct snd_rawmidi_substream *substream) { /* Do nothing. */ return 0; } static int midi_playback_close(struct snd_rawmidi_substream *substream) { struct snd_tscm *tscm = substream->rmidi->private_data; snd_fw_async_midi_port_finish(&tscm->out_ports[substream->number]); return 0; } static void midi_capture_trigger(struct snd_rawmidi_substream *substrm, int up) { struct snd_tscm *tscm = substrm->rmidi->private_data; unsigned long flags; spin_lock_irqsave(&tscm->lock, flags); if (up) tscm->tx_midi_substreams[substrm->number] = substrm; else tscm->tx_midi_substreams[substrm->number] = NULL; spin_unlock_irqrestore(&tscm->lock, flags); } static void midi_playback_trigger(struct snd_rawmidi_substream *substrm, int up) { struct snd_tscm *tscm = substrm->rmidi->private_data; unsigned long flags; spin_lock_irqsave(&tscm->lock, flags); if (up) snd_fw_async_midi_port_run(&tscm->out_ports[substrm->number], substrm); spin_unlock_irqrestore(&tscm->lock, flags); } static struct snd_rawmidi_ops midi_capture_ops = { .open = midi_capture_open, .close = midi_capture_close, .trigger = midi_capture_trigger, }; static struct snd_rawmidi_ops midi_playback_ops = { .open = midi_playback_open, .close = midi_playback_close, .trigger = midi_playback_trigger, }; int snd_tscm_create_midi_devices(struct snd_tscm *tscm) { struct snd_rawmidi *rmidi; struct snd_rawmidi_str *stream; struct snd_rawmidi_substream *subs; int err; err = snd_rawmidi_new(tscm->card, tscm->card->driver, 0, tscm->spec->midi_playback_ports, tscm->spec->midi_capture_ports, &rmidi); if (err < 0) return err; snprintf(rmidi->name, sizeof(rmidi->name), "%s MIDI", tscm->card->shortname); rmidi->private_data = tscm; rmidi->info_flags |= SNDRV_RAWMIDI_INFO_INPUT; snd_rawmidi_set_ops(rmidi, SNDRV_RAWMIDI_STREAM_INPUT, &midi_capture_ops); stream = &rmidi->streams[SNDRV_RAWMIDI_STREAM_INPUT]; /* Set port names for MIDI input. */ list_for_each_entry(subs, &stream->substreams, list) { /* TODO: support virtual MIDI ports. */ if (subs->number < tscm->spec->midi_capture_ports) { /* Hardware MIDI ports. */ snprintf(subs->name, sizeof(subs->name), "%s MIDI %d", tscm->card->shortname, subs->number + 1); } } rmidi->info_flags |= SNDRV_RAWMIDI_INFO_OUTPUT; snd_rawmidi_set_ops(rmidi, SNDRV_RAWMIDI_STREAM_OUTPUT, &midi_playback_ops); stream = &rmidi->streams[SNDRV_RAWMIDI_STREAM_OUTPUT]; /* Set port names for MIDI ourput. */ list_for_each_entry(subs, &stream->substreams, list) { if (subs->number < tscm->spec->midi_playback_ports) { /* Hardware MIDI ports only. */ snprintf(subs->name, sizeof(subs->name), "%s MIDI %d", tscm->card->shortname, subs->number + 1); } } rmidi->info_flags |= SNDRV_RAWMIDI_INFO_DUPLEX; return 0; } '>includemode:
authorLinus Torvalds <torvalds@linux-foundation.org>2017-01-05 23:17:41 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2017-01-05 23:17:41 -0800
commit88ba6cae15e38f609aba4f3881e1c404c432596c (patch)
tree86f767c79ebd6a4dad60daebf33fdc6b67c8aa8e
parent6989606a7224a2d5a925df22a49e4f7a0bfed0d6 (diff)
parenta608a9d52fa4168efd478d684039ed545a69dbcd (diff)
Merge tag 'platform-drivers-x86-v4.10-3' of git://git.infradead.org/users/dvhart/linux-platform-drivers-x86
Pull x86 platform driver fixes from Darren Hart: "Just two small fixes for platform drivers x86: - use brightness_set_blocking for LED-setting callbacks on Fujitsu laptops - fix surface3_button build errors" * tag 'platform-drivers-x86-v4.10-3' of git://git.infradead.org/users/dvhart/linux-platform-drivers-x86: platform/x86: fujitsu-laptop: use brightness_set_blocking for LED-setting callbacks platform/x86: fix surface3_button build errors
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