1<html><head><meta http-equiv="Content-Type" content="text/html; charset=ANSI_X3.4-1968"><title>create_pnp_modalias</title><meta name="generator" content="DocBook XSL Stylesheets V1.78.1"><link rel="home" href="index.html" title="Linux Device Drivers"><link rel="up" href="ch02s05.html" title="Device Drivers ACPI Support"><link rel="prev" href="API-acpi-bus-trim.html" title="acpi_bus_trim"><link rel="next" href="API-create-of-modalias.html" title="create_of_modalias"></head><body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF"><div class="navheader"><table width="100%" summary="Navigation header"><tr><th colspan="3" align="center"><span class="phrase">create_pnp_modalias</span></th></tr><tr><td width="20%" align="left"><a accesskey="p" href="API-acpi-bus-trim.html">Prev</a>&#160;</td><th width="60%" align="center">Device Drivers ACPI Support</th><td width="20%" align="right">&#160;<a accesskey="n" href="API-create-of-modalias.html">Next</a></td></tr></table><hr></div><div class="refentry"><a name="API-create-pnp-modalias"></a><div class="titlepage"></div><div class="refnamediv"><h2>Name</h2><p>create_pnp_modalias &#8212; 
2  Create hid/cid(s) string for modalias and uevent
3 </p></div><div class="refsynopsisdiv"><h2>Synopsis</h2><div class="funcsynopsis"><table border="0" class="funcprototype-table" summary="Function synopsis" style="cellspacing: 0; cellpadding: 0;"><tr><td><code class="funcdef">int <b class="fsfunc">create_pnp_modalias </b>(</code></td><td>struct acpi_device * <var class="pdparam">acpi_dev</var>, </td></tr><tr><td>&#160;</td><td>char * <var class="pdparam">modalias</var>, </td></tr><tr><td>&#160;</td><td>int <var class="pdparam">size</var><code>)</code>;</td></tr></table><div class="funcprototype-spacer">&#160;</div></div></div><div class="refsect1"><a name="idp1110706196"></a><h2>Arguments</h2><div class="variablelist"><dl class="variablelist"><dt><span class="term"><em class="parameter"><code>acpi_dev</code></em></span></dt><dd><p>
4     ACPI device object.
5    </p></dd><dt><span class="term"><em class="parameter"><code>modalias</code></em></span></dt><dd><p>
6     Buffer to print into.
7    </p></dd><dt><span class="term"><em class="parameter"><code>size</code></em></span></dt><dd><p>
8     Size of the buffer.
9    </p></dd></dl></div></div><div class="refsect1"><a name="idp1110709860"></a><h2>Description</h2><p>
10   Creates hid/cid(s) string needed for modalias and uevent
11   e.g. on a device with hid:IBM0001 and cid:ACPI0001 you get:
12</p></div><div class="refsect1"><a name="idp1110710588"></a><h2>modalias</h2><p>
13   "acpi:IBM0001:ACPI0001"
14</p></div><div class="refsect1"><a name="idp1110711220"></a><h2>Return</h2><p>
15   0: no _HID and no _CID
16   -EINVAL: output error
17   -ENOMEM: output is truncated
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