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>

drivers/media/radio/radio-aimslab.c

@@ -398,7 +398,7 @@ static int __init rtrack_init(void)
 	rt->io = io;
 
 	if (rt->io == -1) {
-		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=0x20f or 0x30f\n");
 		return -EINVAL;
 	}
 

drivers/media/radio/radio-aztech.c

@@ -361,7 +361,7 @@ static int __init aztech_init(void)
 	az->io = io;
 
 	if (az->io == -1) {
-		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=0x350 or 0x358\n");
 		return -EINVAL;
 	}
 

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;
 	}

drivers/media/radio/radio-terratec.c

@@ -375,7 +375,7 @@ static int __init terratec_init(void)
 	strlcpy(v4l2_dev->name, "terratec", sizeof(v4l2_dev->name));
 	tt->io = io;
 	if (tt->io == -1) {
-		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=0x590 or 0x591\n");
 		return -EINVAL;
 	}
 	if (!request_region(tt->io, 2, "terratec")) {

drivers/media/radio/radio-trust.c

@@ -383,7 +383,7 @@ static int __init trust_init(void)
 	mutex_init(&tr->lock);
 
 	if (tr->io == -1) {
-		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=0x0x350 or 0x358\n");
 		return -EINVAL;
 	}
 	if (!request_region(tr->io, 2, "Trust FM Radio")) {

drivers/media/radio/radio-zoltrix.c

@@ -413,7 +413,7 @@ static int __init zoltrix_init(void)
 	strlcpy(v4l2_dev->name, "zoltrix", sizeof(v4l2_dev->name));
 	zol->io = io;
 	if (zol->io == -1) {
-		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=0x20c or 0x30c\n");
 		return -EINVAL;
 	}
 	if (zol->io != 0x20c && zol->io != 0x30c) {