Patchwork [1/2] ACPI EC: add ec_query function

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Submitter Sven Schnelle
Date 2011-03-15 08:41:11
Message ID <1300178472-7948-1-git-send-email-svens@stackframe.org>
Download mbox | patch
Permalink /patch/2785/
State Accepted
Commit r6447
Headers show

Comments

Sven Schnelle - 2011-03-15 08:41:11
Signed-off-by: Sven Schnelle <svens@stackframe.org>
---
 src/ec/acpi/ec.c |    6 ++++++
 src/ec/acpi/ec.h |    1 +
 2 files changed, 7 insertions(+), 0 deletions(-)
Peter Stuge - 2011-03-15 09:42:26
Sven Schnelle wrote:
> Signed-off-by: Sven Schnelle <svens@stackframe.org>

Acked-by: Peter Stuge <peter@stuge.se>

Patch

diff --git a/src/ec/acpi/ec.c b/src/ec/acpi/ec.c
index 1d4ffb8..2680aa3 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 b5a1197..8fc88d2 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);