V4L/DVB (10894): ISA radio drivers: improve kernel log message

It's much nicer if the log message tells you which io ports are possible,
rather than having to run modinfo or look it up in the source or manual.

Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

1 files changed, 2 insertions, 1 deletions

diff --git a/drivers/media/radio/radio-cadet.c b/drivers/media/radio/radio-cadet.c
index 7741f33ce873..4627c5a662ee 100644
--- a/drivers/media/radio/radio-cadet.c
+++ b/drivers/media/radio/radio-cadet.c
@@ -659,7 +659,8 @@ static int __init cadet_init(void)
         /* Else we bail out */
         if (dev->io < 0) {
 #ifdef MODULE
-                v4l2_err(v4l2_dev, "you must set an I/O address with io=0x???\n");
+                v4l2_err(v4l2_dev, "you must set an I/O address with io=0x330, 0x332, 0x334,\n");
+                v4l2_err(v4l2_dev, "0x336, 0x338, 0x33a, 0x33c or 0x33e\n");
 #endif
                 goto fail;
         }