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/bt8xx/dvb-bt8xx.c | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-) (limited to 'drivers/media/dvb/bt8xx') diff --git a/drivers/media/dvb/bt8xx/dvb-bt8xx.c b/drivers/media/dvb/bt8xx/dvb-bt8xx.c index a39439b5f04..6afbfbbef0c 100644 --- a/drivers/media/dvb/bt8xx/dvb-bt8xx.c +++ b/drivers/media/dvb/bt8xx/dvb-bt8xx.c @@ -40,6 +40,8 @@ static int debug; module_param(debug, int, 0644); MODULE_PARM_DESC(debug, "Turn on/off debugging (default:off)."); +DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr); + #define dprintk( args... ) \ do { \ if (debug) printk(KERN_DEBUG args); \ @@ -717,7 +719,10 @@ static int __devinit dvb_bt8xx_load_card(struct dvb_bt8xx_card *card, u32 type) { int result; - if ((result = dvb_register_adapter(&card->dvb_adapter, card->card_name, THIS_MODULE, &card->bt->dev->dev)) < 0) { + result = dvb_register_adapter(&card->dvb_adapter, card->card_name, + THIS_MODULE, &card->bt->dev->dev, + adapter_nr); + if (result < 0) { printk("dvb_bt8xx: dvb_register_adapter failed (errno = %d)\n", result); return result; } -- cgit v1.2.3-70-g09d2