/* Read data from MIDI buffer and transmit them via USB. */ static void line6_midi_transmit(struct snd_rawmidi_substream *substream) { struct usb_line6 *line6 = line6_rawmidi_substream_midi(substream)->line6; struct snd_line6_midi *line6midi = line6->line6midi; struct MidiBuffer *mb = &line6midi->midibuf_out; unsigned long flags; unsigned char chunk[line6->max_packet_size]; int req, done; spin_lock_irqsave(&line6->line6midi->midi_transmit_lock, flags); for (;;) { req = min(line6_midibuf_bytes_free(mb), line6->max_packet_size); done = snd_rawmidi_transmit_peek(substream, chunk, req); if (done == 0) break; line6_midibuf_write(mb, chunk, done); snd_rawmidi_transmit_ack(substream, done); } for (;;) { done = line6_midibuf_read(mb, chunk, line6->max_packet_size); if (done == 0) break; send_midi_async(line6, chunk, done); } spin_unlock_irqrestore(&line6->line6midi->midi_transmit_lock, flags); }
/* Read data from MIDI buffer and transmit them via USB. */ static void line6_midi_transmit(struct snd_rawmidi_substream *substream) { struct usb_line6 *line6 = line6_rawmidi_substream_midi(substream)->line6; struct snd_line6_midi *line6midi = line6->line6midi; struct midi_buffer *mb = &line6midi->midibuf_out; unsigned char chunk[LINE6_FALLBACK_MAXPACKETSIZE]; int req, done; for (;;) { req = min(line6_midibuf_bytes_free(mb), line6->max_packet_size); done = snd_rawmidi_transmit_peek(substream, chunk, req); if (done == 0) break; line6_midibuf_write(mb, chunk, done); snd_rawmidi_transmit_ack(substream, done); } for (;;) { done = line6_midibuf_read(mb, chunk, LINE6_FALLBACK_MAXPACKETSIZE); if (done == 0) break; send_midi_async(line6, chunk, done); } }
/* Read data from MIDI buffer and transmit them via USB. */ static void line6_midi_transmit(struct snd_rawmidi_substream *substream) { struct usb_line6 *line6 = line6_rawmidi_substream_midi(substream)->line6; struct snd_line6_midi *line6midi = line6->line6midi; struct MidiBuffer *mb = &line6midi->midibuf_out; unsigned long flags; unsigned char chunk[line6->max_packet_size]; int req, done; spin_lock_irqsave(&line6->line6midi->midi_transmit_lock, flags); for (;;) { req = min(line6_midibuf_bytes_free(mb), line6->max_packet_size); done = snd_rawmidi_transmit_peek(substream, chunk, req); if (done == 0) break; #ifdef CONFIG_LINE6_USB_DUMP_MIDI line6_write_hexdump(line6, 's', chunk, done); #endif line6_midibuf_write(mb, chunk, done); snd_rawmidi_transmit_ack(substream, done); } for (;;) { done = line6_midibuf_read(mb, chunk, line6->max_packet_size); if (done == 0) break; if (line6_midibuf_skip_message (mb, line6midi->midi_mask_transmit)) continue; send_midi_async(line6, chunk, done); } spin_unlock_irqrestore(&line6->line6midi->midi_transmit_lock, flags); }