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/digitv.c | 8 ++++++-- 1 file changed, 6 insertions(+), 2 deletions(-) (limited to 'drivers/media/dvb/dvb-usb/digitv.c') diff --git a/drivers/media/dvb/dvb-usb/digitv.c b/drivers/media/dvb/dvb-usb/digitv.c index 3acbda4aa27e..b545cf3eab2e 100644 --- a/drivers/media/dvb/dvb-usb/digitv.c +++ b/drivers/media/dvb/dvb-usb/digitv.c @@ -20,6 +20,9 @@ static int dvb_usb_digitv_debug; module_param_named(debug,dvb_usb_digitv_debug, int, 0644); MODULE_PARM_DESC(debug, "set debugging level (1=rc (or-able))." DVB_USB_DEBUG_STATUS); + +DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr); + #define deb_rc(args...) dprintk(dvb_usb_digitv_debug,0x01,args) static int digitv_ctrl_msg(struct dvb_usb_device *d, @@ -256,8 +259,9 @@ static int digitv_probe(struct usb_interface *intf, const struct usb_device_id *id) { struct dvb_usb_device *d; - int ret; - if ((ret = dvb_usb_device_init(intf,&digitv_properties,THIS_MODULE,&d)) == 0) { + int ret = dvb_usb_device_init(intf, &digitv_properties, THIS_MODULE, &d, + adapter_nr); + if (ret == 0) { u8 b[4] = { 0 }; if (d != NULL) { /* do that only when the firmware is loaded */ -- cgit v1.2.3