Date: Mon, 06 Jun 2016 11:40:13 -0700 From: John Baldwin <jhb@freebsd.org> To: Adrian Chadd <adrian@freebsd.org> Cc: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: Re: svn commit: r301418 - head/sys/dev/acpica Message-ID: <8356745.ppeTABNDIP@ralph.baldwin.cx> In-Reply-To: <201606050202.u5522pKu051460@repo.freebsd.org> References: <201606050202.u5522pKu051460@repo.freebsd.org>
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On Sunday, June 05, 2016 02:02:51 AM Adrian Chadd wrote: > Author: adrian > Date: Sun Jun 5 02:02:51 2016 > New Revision: 301418 > URL: https://svnweb.freebsd.org/changeset/base/301418 > > Log: > [acpi] graphics drivers want access to acpi lid handle > > the graphics drivers can benefit from access to the lid handle for querying and getting notifications > > Submitted by: kmacy > Differential Revision: https://reviews.freebsd.org/D6643 One could have done this without exposing a global variable: device_t dev; dev = devclass_get_device(devclass_find("acpi_lid"), 0); handle = acpi_get_handle(dev); Alternatively, we could provide a function locate an ACPI handle by _HID similar to pci_get_class(). -- John Baldwin
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