'\" t
.\"     Title: snd_rawmidi_transmit_peek
.\"    Author: [FIXME: author] [see http://docbook.sf.net/el/author]
.\" Generator: DocBook XSL Stylesheets v1.78.1 <http://docbook.sf.net/>
.\"      Date: May 2018
.\"    Manual: Sound Devices
.\"    Source: Kernel Hackers Manual 3.16.56
.\"  Language: English
.\"
.TH "SND_RAWMIDI_TRANSMIT" "9" "May 2018" "Kernel Hackers Manual 3\&.16\&" "Sound Devices"
.\" -----------------------------------------------------------------
.\" * Define some portability stuff
.\" -----------------------------------------------------------------
.\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
.\" http://bugs.debian.org/507673
.\" http://lists.gnu.org/archive/html/groff/2009-02/msg00013.html
.\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
.ie \n(.g .ds Aq \(aq
.el       .ds Aq '
.\" -----------------------------------------------------------------
.\" * set default formatting
.\" -----------------------------------------------------------------
.\" disable hyphenation
.nh
.\" disable justification (adjust text to left margin only)
.ad l
.\" -----------------------------------------------------------------
.\" * MAIN CONTENT STARTS HERE *
.\" -----------------------------------------------------------------
.SH "NAME"
snd_rawmidi_transmit_peek \- copy data from the internal buffer
.SH "SYNOPSIS"
.HP \w'int\ snd_rawmidi_transmit_peek('u
.BI "int snd_rawmidi_transmit_peek(struct\ snd_rawmidi_substream\ *\ " "substream" ", unsigned\ char\ *\ " "buffer" ", int\ " "count" ");"
.SH "ARGUMENTS"
.PP
\fIsubstream\fR
.RS 4
the rawmidi substream
.RE
.PP
\fIbuffer\fR
.RS 4
the buffer pointer
.RE
.PP
\fIcount\fR
.RS 4
data size to transfer
.RE
.SH "DESCRIPTION"
.PP
Copies data from the internal output buffer to the given buffer\&.
.PP
Call this in the interrupt handler when the midi output is ready, and call
\fBsnd_rawmidi_transmit_ack\fR
after the transmission is finished\&.
.SH "RETURN"
.PP
The size of copied data, or a negative error code on failure\&.
.SH "COPYRIGHT"
.br