2019-05-26 23:55:06 -07:00
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// SPDX-License-Identifier: GPL-2.0-or-later
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2005-04-16 15:20:36 -07:00
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/*
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* blacklist.c
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*
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* Check to see if the given machine has a known bad ACPI BIOS
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* or if the BIOS is too old.
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2016-05-03 01:49:01 -07:00
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* Check given machine against acpi_rev_dmi_table[].
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2005-04-16 15:20:36 -07:00
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*
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* Copyright (C) 2004 Len Brown <len.brown@intel.com>
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* Copyright (C) 2002 Andy Grover <andrew.grover@intel.com>
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*/
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2021-06-02 01:54:24 -07:00
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#define pr_fmt(fmt) "ACPI: " fmt
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2005-04-16 15:20:36 -07:00
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#include <linux/kernel.h>
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#include <linux/init.h>
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#include <linux/acpi.h>
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#include <linux/dmi.h>
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2024-04-04 11:23:41 -07:00
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#include "../internal.h"
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2009-07-28 13:45:54 -07:00
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2019-07-10 06:05:43 -07:00
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#ifdef CONFIG_DMI
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2017-09-14 02:59:30 -07:00
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static const struct dmi_system_id acpi_rev_dmi_table[] __initconst;
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2019-07-10 06:05:43 -07:00
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#endif
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2008-01-23 18:50:56 -07:00
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2005-04-16 15:20:36 -07:00
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/*
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* POLICY: If *anything* doesn't work, put it on the blacklist.
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* If they are critical errors, mark it critical, and abort driver load.
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*/
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2017-08-23 15:54:43 -07:00
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static struct acpi_platform_list acpi_blacklist[] __initdata = {
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2005-04-16 15:20:36 -07:00
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/* Compaq Presario 1700 */
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2007-02-02 09:48:19 -07:00
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{"PTLTD ", " DSDT ", 0x06040000, ACPI_SIG_DSDT, less_than_or_equal,
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2005-08-04 21:44:28 -07:00
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"Multiple problems", 1},
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2005-04-16 15:20:36 -07:00
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/* Sony FX120, FX140, FX150? */
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2007-02-02 09:48:19 -07:00
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{"SONY ", "U0 ", 0x20010313, ACPI_SIG_DSDT, less_than_or_equal,
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2005-08-04 21:44:28 -07:00
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"ACPI driver problem", 1},
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2005-04-16 15:20:36 -07:00
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/* Compaq Presario 800, Insyde BIOS */
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2007-02-02 09:48:19 -07:00
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{"INT440", "SYSFexxx", 0x00001001, ACPI_SIG_DSDT, less_than_or_equal,
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2005-08-04 21:44:28 -07:00
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"Does not use _REG to protect EC OpRegions", 1},
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2005-04-16 15:20:36 -07:00
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/* IBM 600E - _ADR should return 7, but it returns 1 */
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2007-02-02 09:48:19 -07:00
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{"IBM ", "TP600E ", 0x00000105, ACPI_SIG_DSDT, less_than_or_equal,
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2005-08-04 21:44:28 -07:00
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"Incorrect _ADR", 1},
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2005-04-16 15:20:36 -07:00
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2017-08-23 15:54:43 -07:00
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{ }
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2005-04-16 15:20:36 -07:00
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};
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2005-08-04 21:44:28 -07:00
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int __init acpi_blacklisted(void)
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2005-04-16 15:20:36 -07:00
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{
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2017-08-23 15:54:43 -07:00
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int i;
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2005-04-16 15:20:36 -07:00
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int blacklisted = 0;
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2005-08-04 21:44:28 -07:00
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2017-08-23 15:54:43 -07:00
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i = acpi_match_platform_list(acpi_blacklist);
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if (i >= 0) {
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2021-06-02 01:54:24 -07:00
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pr_err("Vendor \"%6.6s\" System \"%8.8s\" Revision 0x%x has a known ACPI BIOS problem.\n",
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2017-08-23 15:54:43 -07:00
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acpi_blacklist[i].oem_id,
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acpi_blacklist[i].oem_table_id,
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acpi_blacklist[i].oem_revision);
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2005-08-04 21:44:28 -07:00
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2021-06-02 01:54:24 -07:00
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pr_err("Reason: %s. This is a %s error\n",
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2017-08-23 15:54:43 -07:00
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acpi_blacklist[i].reason,
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(acpi_blacklist[i].data ?
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"non-recoverable" : "recoverable"));
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2005-04-16 15:20:36 -07:00
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2017-08-23 15:54:43 -07:00
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blacklisted = acpi_blacklist[i].data;
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2005-04-16 15:20:36 -07:00
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}
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2016-05-03 01:49:01 -07:00
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(void)early_acpi_osi_init();
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2019-07-10 06:05:43 -07:00
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#ifdef CONFIG_DMI
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2016-05-03 01:49:01 -07:00
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dmi_check_system(acpi_rev_dmi_table);
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2019-07-10 06:05:43 -07:00
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#endif
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2008-01-23 18:50:56 -07:00
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2005-04-16 15:20:36 -07:00
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return blacklisted;
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}
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2008-01-23 18:50:56 -07:00
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#ifdef CONFIG_DMI
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2015-07-02 16:06:00 -07:00
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#ifdef CONFIG_ACPI_REV_OVERRIDE_POSSIBLE
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static int __init dmi_enable_rev_override(const struct dmi_system_id *d)
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{
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2021-06-02 01:54:24 -07:00
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pr_notice("DMI detected: %s (force ACPI _REV to 5)\n", d->ident);
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2015-07-02 16:06:00 -07:00
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acpi_rev_override_setup(NULL);
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return 0;
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}
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#endif
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2008-01-23 19:19:27 -07:00
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2017-09-14 02:59:30 -07:00
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static const struct dmi_system_id acpi_rev_dmi_table[] __initconst = {
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2015-07-02 16:06:00 -07:00
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#ifdef CONFIG_ACPI_REV_OVERRIDE_POSSIBLE
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/*
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* DELL XPS 13 (2015) switches sound between HDA and I2S
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* depending on the ACPI _REV callback. If userspace supports
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* I2S sufficiently (or if you do not care about sound), you
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* can safely disable this quirk.
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*/
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{
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.callback = dmi_enable_rev_override,
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.ident = "DELL XPS 13 (2015)",
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.matches = {
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DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
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DMI_MATCH(DMI_PRODUCT_NAME, "XPS 13 9343"),
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},
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},
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2016-10-28 11:54:04 -07:00
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{
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.callback = dmi_enable_rev_override,
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.ident = "DELL Precision 5520",
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.matches = {
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DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
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DMI_MATCH(DMI_PRODUCT_NAME, "Precision 5520"),
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},
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},
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{
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.callback = dmi_enable_rev_override,
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.ident = "DELL Precision 3520",
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.matches = {
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DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
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DMI_MATCH(DMI_PRODUCT_NAME, "Precision 3520"),
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},
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},
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2016-11-11 20:29:14 -07:00
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/*
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* Resolves a quirk with the Dell Latitude 3350 that
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* causes the ethernet adapter to not function.
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*/
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{
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.callback = dmi_enable_rev_override,
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.ident = "DELL Latitude 3350",
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.matches = {
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DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
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DMI_MATCH(DMI_PRODUCT_NAME, "Latitude 3350"),
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},
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},
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2017-04-12 01:12:45 -07:00
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{
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.callback = dmi_enable_rev_override,
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.ident = "DELL Inspiron 7537",
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.matches = {
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DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
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DMI_MATCH(DMI_PRODUCT_NAME, "Inspiron 7537"),
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},
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},
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2015-07-02 16:06:00 -07:00
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#endif
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2008-01-23 18:50:56 -07:00
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{}
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};
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#endif /* CONFIG_DMI */
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