'\" t
.\"     Title: write_zsreg
.\"    Author: 
.\" Generator: DocBook XSL Stylesheets v1.79.1 <http://docbook.sf.net/>
.\"      Date: July 2017
.\"    Manual: Internal Functions
.\"    Source: Kernel Hackers Manual 4.12.2
.\"  Language: English
.\"
.TH "WRITE_ZSREG" "9" "July 2017" "Kernel Hackers Manual 4\&.12\&" "Internal Functions"
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.SH "NAME"
write_zsreg \- Write to a Z8530 channel register
.SH "SYNOPSIS"
.HP \w'void\ write_zsreg('u
.BI "void write_zsreg(struct\ z8530_channel\ *\ " "c" ", u8\ " "reg" ", u8\ " "val" ");"
.SH "ARGUMENTS"
.PP
\fIstruct z8530_channel * c\fR
.RS 4
The Z8530 channel
.RE
.PP
\fIu8 reg\fR
.RS 4
Register number
.RE
.PP
\fIu8 val\fR
.RS 4
Value to write
.RE
.SH "DESCRIPTION"
.PP
Write a value to an indexed register\&. The caller must hold the lock to honour the irritating delay rules\&. We know about register 0 being fast to access\&.
.PP
Assumes c\->lock is held\&.
.SH "AUTHOR"
.PP
\fBAlan Cox\fR <\&alan@lxorguk.ukuu.org.uk\&>
.RS 4
Author.
.RE
.SH "COPYRIGHT"
.br