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55 lines
1.0 KiB
C
55 lines
1.0 KiB
C
/*
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* Copyright (C) 2020 Richard Hughes <richard@hughsie.com>
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*
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* SPDX-License-Identifier: LGPL-2.1+
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*/
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#include "config.h"
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#include <string.h>
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#include "fu-common.h"
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#include "fu-acpi-facp.h"
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struct _FuAcpiFacp {
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GObject parent_instance;
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gboolean get_s2i;
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};
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G_DEFINE_TYPE (FuAcpiFacp, fu_acpi_facp, G_TYPE_OBJECT)
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#define LOW_POWER_S0_IDLE_CAPABLE (1 << 21)
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FuAcpiFacp *
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fu_acpi_facp_new (GBytes *blob, GError **error)
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{
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FuAcpiFacp *self = g_object_new (FU_TYPE_ACPI_FACP, NULL);
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gsize bufsz = 0;
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guint32 flags = 0;
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const guint8 *buf = g_bytes_get_data (blob, &bufsz);
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/* parse table */
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if (!fu_common_read_uint32_safe (buf, bufsz, 0x70, &flags, G_LITTLE_ENDIAN, error))
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return NULL;
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g_debug ("Flags: 0x%04x", flags);
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self->get_s2i = (flags & LOW_POWER_S0_IDLE_CAPABLE) > 0;
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return self;
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}
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gboolean
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fu_acpi_facp_get_s2i (FuAcpiFacp *self)
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{
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g_return_val_if_fail (FU_IS_ACPI_FACP (self), FALSE);
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return self->get_s2i;
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}
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static void
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fu_acpi_facp_class_init (FuAcpiFacpClass *klass)
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{
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}
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static void
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fu_acpi_facp_init (FuAcpiFacp *self)
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{
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}
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