The ACPI specification v6.3 defines the panel positions in chapter 6.1.8
"_PLD (Physical Location of Device)"
Signed-off-by: Fabian Wüthrich <me@xxxxxxxx>
Reviewed-by: Daniel Scally <djrscally@xxxxxxxxx>
Reviewed-by: Andy Shevchenko <andy.shevchenko@xxxxxxxxx>
---
include/acpi/acbuffer.h | 9 +++++++++
1 file changed, 9 insertions(+)
diff --git a/include/acpi/acbuffer.h b/include/acpi/acbuffer.h
index 18197c16149f..d42e82a82852 100644
--- a/include/acpi/acbuffer.h
+++ b/include/acpi/acbuffer.h
@@ -207,4 +207,13 @@ struct acpi_pld_info {
#define ACPI_PLD_GET_HORIZ_OFFSET(dword) ACPI_GET_BITS (dword, 16, ACPI_16BIT_MASK)
#define ACPI_PLD_SET_HORIZ_OFFSET(dword,value) ACPI_SET_BITS (dword, 16, ACPI_16BIT_MASK, value) /* Offset 128+16=144, Len 16 */
+/* Panel position defined in _PLD section of ACPI Specification 6.3 */
+#define ACPI_PLD_PANEL_TOP 0
+#define ACPI_PLD_PANEL_BOTTOM 1
+#define ACPI_PLD_PANEL_LEFT 2
+#define ACPI_PLD_PANEL_RIGHT 3
+#define ACPI_PLD_PANEL_FRONT 4
+#define ACPI_PLD_PANEL_BACK 5
+#define ACPI_PLD_PANEL_UNKNOWN 6
+
#endif /* ACBUFFER_H */
--
2.31.1
