diff options
| author | Sven Schnelle <svens@stackframe.org> | 2011-03-15 09:52:07 +0000 |
|---|---|---|
| committer | Sven Schnelle <svens@stackframe.org> | 2011-03-15 09:52:07 +0000 |
| commit | f9a0b927f5dceeba7bb1d1fff94569343da98835 (patch) | |
| tree | e318c5d0113bbc91a096df65324055137f334b93 /src | |
| parent | 07ca1c47b20e968ff4dce64192f0b10adeb0c488 (diff) | |
ACPI EC: add ec_query function
Signed-off-by: Sven Schnelle <svens@stackframe.org>
Acked-by: Peter Stuge <peter@stuge.se>
git-svn-id: svn://svn.coreboot.org/coreboot/trunk@6447 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
Diffstat (limited to 'src')
| -rw-r--r-- | src/ec/acpi/ec.c | 6 | ||||
| -rw-r--r-- | src/ec/acpi/ec.h | 1 |
2 files changed, 7 insertions, 0 deletions
diff --git a/src/ec/acpi/ec.c b/src/ec/acpi/ec.c index 1d4ffb8258..2680aa34e4 100644 --- a/src/ec/acpi/ec.c +++ b/src/ec/acpi/ec.c @@ -116,6 +116,12 @@ int ec_write(u8 addr, u8 data) return send_ec_data(data); } +u8 ec_query(void) +{ + send_ec_command(0x84); + return recv_ec_data(); +} + void ec_set_bit(u8 addr, u8 bit) { ec_write(addr, ec_read(addr) | (1 << bit)); diff --git a/src/ec/acpi/ec.h b/src/ec/acpi/ec.h index b5a1197e76..8fc88d25fa 100644 --- a/src/ec/acpi/ec.h +++ b/src/ec/acpi/ec.h @@ -42,6 +42,7 @@ 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_query(void); u8 ec_read(u8 addr); int ec_write(u8 addr, u8 data); void ec_set_bit(u8 addr, u8 bit); |