From 105d8e8b01bd024c3df100b4809684628d3e8f2c Mon Sep 17 00:00:00 2001 From: Nico Huber Date: Mon, 23 Jan 2017 13:54:41 +0100 Subject: ec/acpi: Add function to read EC status register Change-Id: I7b690d1f23ecf4083952c173be1d3a1246bc1593 Signed-off-by: Nico Huber Reviewed-on: https://review.coreboot.org/18706 Tested-by: build bot (Jenkins) Reviewed-by: Paul Menzel Reviewed-by: Martin Roth --- src/ec/acpi/ec.c | 5 +++++ src/ec/acpi/ec.h | 1 + 2 files changed, 6 insertions(+) (limited to 'src') diff --git a/src/ec/acpi/ec.c b/src/ec/acpi/ec.c index 3f5cd9ed1b..a739b98df3 100644 --- a/src/ec/acpi/ec.c +++ b/src/ec/acpi/ec.c @@ -126,6 +126,11 @@ int ec_write(u8 addr, u8 data) return send_ec_data(data); } +u8 ec_status(void) +{ + return inb(ec_cmd_reg); +} + u8 ec_query(void) { send_ec_command(0x84); diff --git a/src/ec/acpi/ec.h b/src/ec/acpi/ec.h index 0877fe200b..d9487e9015 100644 --- a/src/ec/acpi/ec.h +++ b/src/ec/acpi/ec.h @@ -40,6 +40,7 @@ int send_ec_command(u8 command); int send_ec_data(u8 data); int send_ec_data_nowait(u8 data); u8 recv_ec_data(void); +u8 ec_status(void); u8 ec_query(void); u8 ec_read(u8 addr); int ec_write(u8 addr, u8 data); -- cgit v1.2.3