Staging: line6: minor coding style cleanups

This fixes up all of the remaining coding style issues that
make any sense to make in the line6 driver.

Cc: Markus Grabner <grabner@icg.tugraz.at>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
diff --git a/drivers/staging/line6/playback.h b/drivers/staging/line6/playback.h
index c6f2a17..f2fc8c0 100644
--- a/drivers/staging/line6/playback.h
+++ b/drivers/staging/line6/playback.h
@@ -17,13 +17,14 @@
 #include "driver.h"
 
 /*
-  When the TonePort is used with jack in full duplex mode and the outputs are
-  not connected, the software monitor produces an ugly noise since everything
-  written to the output buffer (i.e., the input signal) will be repeated in the
-  next period (sounds like a delay effect). As a workaround, the output buffer
-  is cleared after the data have been read, but there must be a better
-  solution. Until one is found, this workaround can be used to fix the problem.
-*/
+ * When the TonePort is used with jack in full duplex mode and the outputs are
+ * not connected, the software monitor produces an ugly noise since everything
+ * written to the output buffer (i.e., the input signal) will be repeated in
+ * the next period (sounds like a delay effect). As a workaround, the output
+ * buffer is cleared after the data have been read, but there must be a better
+ * solution. Until one is found, this workaround can be used to fix the
+ * problem.
+ */
 #define USE_CLEAR_BUFFER_WORKAROUND 1
 
 extern struct snd_pcm_ops snd_line6_playback_ops;