From 51a36f1cfbb45609c5e50b2257f4030b956316ae Mon Sep 17 00:00:00 2001
From: Michael Brown
Date: Mon, 12 Jun 2006 19:29:50 +0000
Subject: Change read_bit() to return 0 or -1UL, rather than 0 or 1.

---
 src/include/gpxe/i2c.h | 2 ++
 1 file changed, 2 insertions(+)

(limited to 'src/include')

diff --git a/src/include/gpxe/i2c.h b/src/include/gpxe/i2c.h
index e282810be..bfaee8fb5 100644
--- a/src/include/gpxe/i2c.h
+++ b/src/include/gpxe/i2c.h
@@ -82,7 +82,9 @@ struct i2c_bit_basher {
 
 /** Bit indices used for I2C bit-bashing interface */
 enum {
+	/** Serial clock */
 	I2C_BIT_SCL = 0,
+	/** Serial data */
 	I2C_BIT_SDA,
 };
 
-- 
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