'\" t .\" Title: snd_pcm_trigger_done .\" Author: [FIXME: author] [see http://docbook.sf.net/el/author] .\" Generator: DocBook XSL Stylesheets v1.79.1 .\" Date: January 2017 .\" Manual: PCM API .\" Source: Kernel Hackers Manual 4.8.15 .\" Language: English .\" .TH "SND_PCM_TRIGGER_DONE" "9" "January 2017" "Kernel Hackers Manual 4\&.8\&." "PCM API" .\" ----------------------------------------------------------------- .\" * 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_pcm_trigger_done \- Mark the master substream .SH "SYNOPSIS" .HP \w'void\ snd_pcm_trigger_done('u .BI "void snd_pcm_trigger_done(struct\ snd_pcm_substream\ *\ " "substream" ", struct\ snd_pcm_substream\ *\ " "master" ");" .SH "ARGUMENTS" .PP \fIsubstream\fR .RS 4 the pcm substream instance .RE .PP \fImaster\fR .RS 4 the linked master substream .RE .SH "DESCRIPTION" .PP When multiple substreams of the same card are linked and the hardware supports the single\-shot operation, the driver calls this in the loop in \fBsnd_pcm_group_for_each_entry\fR for marking the substream as \(lqdone\(rq\&. Then most of trigger operations are performed only to the given master substream\&. .PP The trigger_master mark is cleared at timestamp updates at the end of trigger operations\&. .SH "COPYRIGHT" .br