From 95a323cbb1ae386c6f8bff55e3c5613c3581406a Mon Sep 17 00:00:00 2001
From: Linus Nielsen Feltzing <linus@haxx.se>
Date: Tue, 28 May 2002 15:07:45 +0000
Subject: getack didn't clean up after a NAK

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@768 a1c6a512-1295-4272-9138-f99709370657
---
 firmware/drivers/i2c.c | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

(limited to 'firmware/drivers')

diff --git a/firmware/drivers/i2c.c b/firmware/drivers/i2c.c
index 3ef2f48a6b..e9b06edb42 100644
--- a/firmware/drivers/i2c.c
+++ b/firmware/drivers/i2c.c
@@ -105,7 +105,7 @@ void i2c_ack(int bit)
 
 int i2c_getack(void)
 {
-    unsigned short x;
+    int ret = 1;
 
     /* Here's the deal. The MAS is slow, and sometimes needs to wait
        before it can send the acknowledge. Therefore it forces the clock
@@ -119,15 +119,15 @@ int i2c_getack(void)
     while(!SCL)  /* and wait for the MAS to release it */
         yield();
     
-    x = SDA;
-    if (x)
+    if (SDA)
         /* ack failed */
-        return 0;
+        ret = 0;
+    
     SCL_OUTPUT;
     SCL_LO;
     SDA_HI;
     SDA_OUTPUT;
-    return 1;
+    return ret;
 }
 
 void i2c_outb(unsigned char byte)
-- 
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