From: Piotr Maziarz <piotrx.maziarz@xxxxxxxxxxxxxxx> ACPICA commit 68c7e542075319d57129467872fcbe98906f2b2c Those structures aren't used by Linux drivers, and in other NHLT related tools they are called device_info. Link: https://github.com/acpica/acpica/commit/68c7e542 Signed-off-by: Bob Moore <robert.moore@xxxxxxxxx> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@xxxxxxxxx> --- include/acpi/actbl2.h | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) Index: linux-pm/include/acpi/actbl2.h =================================================================== --- linux-pm.orig/include/acpi/actbl2.h +++ linux-pm/include/acpi/actbl2.h @@ -1673,13 +1673,13 @@ struct acpi_nhlt_render_feedback_device_ u16 feedback_valid_bits_per_sample; }; -/* Linux-specific structures */ +/* Non documented structures */ -struct acpi_nhlt_linux_specific_count { +struct acpi_nhlt_device_info_count { u8 structure_count; }; -struct acpi_nhlt_linux_specific_data { +struct acpi_nhlt_device_info { u8 device_id[16]; u8 device_instance_id; u8 device_port_id;