From 78e92006f410a4044f8c1760c25ac9d11d259aa2 Mon Sep 17 00:00:00 2001 From: Janne Grunau Date: Wed, 9 Apr 2008 19:13:13 -0300 Subject: 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 Acked-by: Hermann Pitton Signed-off-by: Michael Krufky Signed-off-by: Mauro Carvalho Chehab --- drivers/media/dvb/dvb-usb/dtt200u.c | 17 ++++++++++++----- 1 file changed, 12 insertions(+), 5 deletions(-) (limited to 'drivers/media/dvb/dvb-usb/dtt200u.c') diff --git a/drivers/media/dvb/dvb-usb/dtt200u.c b/drivers/media/dvb/dvb-usb/dtt200u.c index d86cf9b..81a6cbf 100644 --- a/drivers/media/dvb/dvb-usb/dtt200u.c +++ b/drivers/media/dvb/dvb-usb/dtt200u.c @@ -18,6 +18,8 @@ int dvb_usb_dtt200u_debug; module_param_named(debug,dvb_usb_dtt200u_debug, int, 0644); MODULE_PARM_DESC(debug, "set debugging level (1=info,xfer=2 (or-able))." DVB_USB_DEBUG_STATUS); +DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr); + static int dtt200u_power_ctrl(struct dvb_usb_device *d, int onoff) { u8 b = SET_INIT; @@ -101,11 +103,16 @@ static struct dvb_usb_device_properties wt220u_miglia_properties; static int dtt200u_usb_probe(struct usb_interface *intf, const struct usb_device_id *id) { - if (dvb_usb_device_init(intf,&dtt200u_properties,THIS_MODULE,NULL) == 0 || - dvb_usb_device_init(intf,&wt220u_properties,THIS_MODULE,NULL) == 0 || - dvb_usb_device_init(intf,&wt220u_fc_properties,THIS_MODULE,NULL) == 0 || - dvb_usb_device_init(intf,&wt220u_zl0353_properties,THIS_MODULE,NULL) == 0 || - dvb_usb_device_init(intf,&wt220u_miglia_properties,THIS_MODULE,NULL) == 0) + if (0 == dvb_usb_device_init(intf, &dtt200u_properties, + THIS_MODULE, NULL, adapter_nr) || + 0 == dvb_usb_device_init(intf, &wt220u_properties, + THIS_MODULE, NULL, adapter_nr) || + 0 == dvb_usb_device_init(intf, &wt220u_fc_properties, + THIS_MODULE, NULL, adapter_nr) || + 0 == dvb_usb_device_init(intf, &wt220u_zl0353_properties, + THIS_MODULE, NULL, adapter_nr) || + 0 == dvb_usb_device_init(intf, &wt220u_miglia_properties, + THIS_MODULE, NULL, adapter_nr)) return 0; return -ENODEV; -- cgit v1.1