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authorJanne Grunau <janne-dvb@grunau.be>2008-04-09 19:13:13 -0300
committerMauro Carvalho Chehab <mchehab@infradead.org>2008-04-24 14:08:00 -0300
commit78e92006f410a4044f8c1760c25ac9d11d259aa2 (patch)
tree293de8abe261420df2db5e12936ec2721ea52c7c /drivers/media/dvb/dvb-usb/vp702x.c
parentV4L/DVB (7537): cx88/saa7134: Fix: avoid OOPS on module unload (diff)
downloadlinux-dev-78e92006f410a4044f8c1760c25ac9d11d259aa2.tar.xz
linux-dev-78e92006f410a4044f8c1760c25ac9d11d259aa2.zip
V4L/DVB (7538): Adds selectable adapter numbers as per module option
The adapter_nr module options can be used to allocate static adapter numbers on a driver level. It avoids problems with changing DVB apapter numbers after warm/cold boot or device unplugging and repluging. Each driver holds DVB_MAX_ADAPTER long array of the preferred order of adapter numbers. options dvb-usb-dib0700 adapter_nr=7,6,5,4,3,2,1,0 would result in a reversed allocation of adapter numbers. With adapter_nr=2,5 it tries first to get adapter number 2 and 5. If both are already in use it will allocate the lowest free adapter number. Signed-off-by: Janne Grunau <janne-dvb@grunau.be> Acked-by: Hermann Pitton <hermann.pitton@arcor.de> Signed-off-by: Michael Krufky <mkrufky@linuxtv.org> Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
Diffstat (limited to 'drivers/media/dvb/dvb-usb/vp702x.c')
-rw-r--r--drivers/media/dvb/dvb-usb/vp702x.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/drivers/media/dvb/dvb-usb/vp702x.c b/drivers/media/dvb/dvb-usb/vp702x.c
index e553c139ac44..986fff9a5ba8 100644
--- a/drivers/media/dvb/dvb-usb/vp702x.c
+++ b/drivers/media/dvb/dvb-usb/vp702x.c
@@ -21,6 +21,8 @@ int dvb_usb_vp702x_debug;
module_param_named(debug,dvb_usb_vp702x_debug, int, 0644);
MODULE_PARM_DESC(debug, "set debugging level (1=info,xfer=2,rc=4 (or-able))." DVB_USB_DEBUG_STATUS);
+DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr);
+
struct vp702x_state {
int pid_filter_count;
int pid_filter_can_bypass;
@@ -238,7 +240,8 @@ static struct dvb_usb_device_properties vp702x_properties;
static int vp702x_usb_probe(struct usb_interface *intf,
const struct usb_device_id *id)
{
- return dvb_usb_device_init(intf,&vp702x_properties,THIS_MODULE,NULL);
+ return dvb_usb_device_init(intf, &vp702x_properties,
+ THIS_MODULE, NULL, adapter_nr);
}
static struct usb_device_id vp702x_usb_table [] = {