[PATCH 1/2] lib: fwts_acpi_tables: add a function to get FADT versions

[Alex Hung]

Signed-off-by: Alex Hung <alex.hung at canonical.com>
---
 src/lib/include/fwts_acpi_tables.h |  1 +
 src/lib/src/fwts_acpi_tables.c     | 14 ++++++++++++++
 2 files changed, 15 insertions(+)

diff --git a/src/lib/include/fwts_acpi_tables.h b/src/lib/include/fwts_acpi_tables.h
index 2ac649bb..6b768d79 100644
--- a/src/lib/include/fwts_acpi_tables.h
+++ b/src/lib/include/fwts_acpi_tables.h
@@ -92,5 +92,6 @@ void fwts_acpi_space_id(fwts_framework *fw, const char *table, const char *field
 	const uint8_t actual, const uint8_t num_type, ...);
 
 uint32_t fwts_get_acpi_version(fwts_framework *fw);
+void fwts_get_fadt_version(fwts_framework *fw, uint8_t *major, uint8_t *minor);
 
 #endif
diff --git a/src/lib/src/fwts_acpi_tables.c b/src/lib/src/fwts_acpi_tables.c
index b08cbdfd..9f12539f 100644
--- a/src/lib/src/fwts_acpi_tables.c
+++ b/src/lib/src/fwts_acpi_tables.c
@@ -1829,3 +1829,17 @@ uint32_t fwts_get_acpi_version(fwts_framework *fw)
 
 	return acpi_version;
 }
+
+/*
+ *  fwts_get_fadt_version()
+ * 	get fadt major and minor versions
+ */
+void fwts_get_fadt_version(fwts_framework *fw, uint8_t *major, uint8_t *minor)
+{
+	uint32_t acpi_version;
+
+	/* ACPI version = FADT major & minor versions */
+	acpi_version = fwts_get_acpi_version(fw);
+	*major = (acpi_version & 0xF00) >> 8;
+	*minor = (acpi_version & 0xFF) >> 4;
+}
-- 
2.32.0