[media] cx88: make core less verbose

Along the time, several debug messages were added at cx88-cards.
While those are still useful to track some troubles with
tuners, they're too verbose:
[ 5768.281801] cx88[0]: Calling XC2028/3028 callback
[ 5768.287388] cx88[0]: Calling XC2028/3028 callback
[ 5768.292575] cx88[0]: Calling XC2028/3028 callback
[ 5768.299408] cx88[0]: Calling XC2028/3028 callback
[ 5768.306244] cx88[0]: Calling XC2028/3028 callback
...

and, most of the time, useless.

So, disable them, except if core_debug modprobe parameter
is used.

Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

1 files changed, 2 insertions, 0 deletions

diff --git a/drivers/media/pci/cx88/cx88.h b/drivers/media/pci/cx88/cx88.h
index 4e29c9deb684..51ce2c0e8bc1 100644
--- a/drivers/media/pci/cx88/cx88.h
+++ b/drivers/media/pci/cx88/cx88.h
@@ -618,6 +618,8 @@ struct cx8802_dev {
 /* ----------------------------------------------------------- */
 /* cx88-core.c                                                 */
 
+extern unsigned int cx88_core_debug;
+
 extern void cx88_print_irqbits(const char *name, const char *tag, const char *strings[],
                                int len, u32 bits, u32 mask);