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yaml --- r: 185027 b: refs/heads/master c: c05d490 h: refs/heads/master i: 185025: 6c9464a 185023: dc5911e v: v3
git-mirror · Mar 2, 2010 · b42dfef · b42dfef
1 parent cf3a134
commit b42dfef
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Showing 2 changed files with 6 additions and 4 deletions.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 393764340beb595c1ad7dd2d2243c2b6551aaa71
+refs/heads/master: c05d490234b7cf1715d9568d2041d9bc598a0b45
diff --git a/trunk/drivers/i2c/busses/i2c-tiny-usb.c b/trunk/drivers/i2c/busses/i2c-tiny-usb.c
@@ -31,11 +31,13 @@
 #define CMD_I2C_IO_BEGIN	(1<<0)
 #define CMD_I2C_IO_END		(1<<1)
 
-/* i2c bit delay, default is 10us -> 100kHz */
+/* i2c bit delay, default is 10us -> 100kHz max
+   (in practice, due to additional delays in the i2c bitbanging
+   code this results in a i2c clock of about 50kHz) */
 static unsigned short delay = 10;
 module_param(delay, ushort, 0);
-MODULE_PARM_DESC(delay, "bit delay in microseconds, "
-		 "e.g. 10 for 100kHz (default is 100kHz)");
+MODULE_PARM_DESC(delay, "bit delay in microseconds "
+		 "(default is 10us for 100kHz max)");
 
 static int usb_read(struct i2c_adapter *adapter, int cmd,
 		    int value, int index, void *data, int len);