1SND_RAWMIDI_TRANSMIT(9)            MIDI API            SND_RAWMIDI_TRANSMIT(9)
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NAME

6       snd_rawmidi_transmit_peek - copy data from the internal buffer
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SYNOPSIS

9       int snd_rawmidi_transmit_peek(struct snd_rawmidi_substream * substream,
10                                     unsigned char * buffer, int count);
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ARGUMENTS

13       substream
14           the rawmidi substream
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16       buffer
17           the buffer pointer
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19       count
20           data size to transfer
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DESCRIPTION

23       Copies data from the internal output buffer to the given buffer.
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25       Call this in the interrupt handler when the midi output is ready, and
26       call snd_rawmidi_transmit_ack after the transmission is finished.
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RETURN

29       The size of copied data, or a negative error code on failure.
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32Kernel Hackers Manual 3.10         June 2019           SND_RAWMIDI_TRANSMIT(9)
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