V4L/DVB: cx18-alsa: codingstyle cleanup

Remove some dead code and make a PCM specific module debug parameter to avoid
an extern reference.

Signed-off-by: Devin Heitmueller <dheitmueller@kernellabs.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

1 files changed, 5 insertions, 3 deletions

diff --git a/drivers/media/video/cx18/cx18-alsa-pcm.c b/drivers/media/video/cx18/cx18-alsa-pcm.c
index 371dfb8d875..2d25c6f92d5 100644
--- a/drivers/media/video/cx18/cx18-alsa-pcm.c
+++ b/drivers/media/video/cx18/cx18-alsa-pcm.c
@@ -37,11 +37,13 @@
 #include "cx18-fileops.h"
 #include "cx18-alsa.h"
 
-extern int cx18_alsa_debug;
+static unsigned int pcm_debug;
+module_param(pcm_debug, int, 0644);
+MODULE_PARM_DESC(pcm_debug, "enable debug messages for pcm");
 
 #define dprintk(fmt, arg...) do {                                       \
-            if (cx18_alsa_debug)                                        \
-                printk(KERN_INFO "cx18-alsa %s: " fmt,                  \
+            if (pcm_debug)                                              \
+                printk(KERN_INFO "cx18-alsa-pcm %s: " fmt,              \
                                   __func__, ##arg);                     \
         } while (0)