ACPI EC: add ec_set_bit() / ec_clr_bit()

Signed-off-by: Sven Schnelle <svens@stackframe.org>
Acked-by: Sven Schnelle <svens@stackframe.org>

git-svn-id: svn://svn.coreboot.org/coreboot/trunk@6441 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1

1 files changed, 10 insertions, 0 deletions

diff --git a/src/ec/acpi/ec.c b/src/ec/acpi/ec.c
index 7a01b7e455..e353260c30 100644
--- a/src/ec/acpi/ec.c
+++ b/src/ec/acpi/ec.c
@@ -113,6 +113,16 @@ int ec_write(u8 addr, u8 data)
 	return send_ec_data(data);
 }
 
+void ec_set_bit(u8 addr, u8 bit)
+{
+	ec_write(addr, ec_read(addr) | (1 << bit));
+}
+
+void ec_clr_bit(u8 addr, u8 bit)
+{
+	ec_write(addr, ec_read(addr) &  ~(1 << bit));
+}
+
 struct chip_operations ec_acpi_ops = {
 	CHIP_NAME("ACPI Embedded Controller")
 };