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Diffstat (limited to 'drivers/acpi/acpica/acmacros.h')
-rw-r--r--drivers/acpi/acpica/acmacros.h9
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/acpi/acpica/acmacros.h b/drivers/acpi/acpica/acmacros.h
index c240bdf82..e85366ceb 100644
--- a/drivers/acpi/acpica/acmacros.h
+++ b/drivers/acpi/acpica/acmacros.h
@@ -220,6 +220,15 @@
#define ACPI_MUL_32(a) _ACPI_MUL(a, 5)
#define ACPI_MOD_32(a) _ACPI_MOD(a, 32)
+/* Test for ASCII character */
+
+#define ACPI_IS_ASCII(c) ((c) < 0x80)
+
+/* Signed integers */
+
+#define ACPI_SIGN_POSITIVE 0
+#define ACPI_SIGN_NEGATIVE 1
+
/*
* Rounding macros (Power of two boundaries only)
*/