'\" t
.\"     Title: cmf_read
.\"    Author: 
.\" Generator: DocBook XSL Stylesheets v1.79.1 <http://docbook.sf.net/>
.\"      Date: July 2017
.\"    Manual: The ccw bus
.\"    Source: Kernel Hackers Manual 4.11.6
.\"  Language: English
.\"
.TH "CMF_READ" "9" "July 2017" "Kernel Hackers Manual 4\&.11\&" "The ccw bus"
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.SH "NAME"
cmf_read \- read one value from the current channel measurement block
.SH "SYNOPSIS"
.HP \w'u64\ cmf_read('u
.BI "u64 cmf_read(struct\ ccw_device\ *\ " "cdev" ", int\ " "index" ");"
.SH "ARGUMENTS"
.PP
\fIstruct ccw_device * cdev\fR
.RS 4
the channel to be read
.RE
.PP
\fIint index\fR
.RS 4
the index of the value to be read
.RE
.SH "DESCRIPTION"
.PP
Returns the value read or
\fB0\fR
if the value cannot be read\&.
.SH "CONTEXT"
.PP
any
.SH "AUTHOR"
.PP
\fBCornelia Huck\fR <\&cornelia.huck@de.ibm.com\&>
.RS 4
Author.
.RE
.SH "COPYRIGHT"
.br