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/ttusb-budget/dvb-ttusb-budget.c | 8 ++++++-- 1 file changed, 6 insertions(+), 2 deletions(-) (limited to 'drivers/media/dvb/ttusb-budget/dvb-ttusb-budget.c') diff --git a/drivers/media/dvb/ttusb-budget/dvb-ttusb-budget.c b/drivers/media/dvb/ttusb-budget/dvb-ttusb-budget.c index 317eccbe5c66..46dc4a3fcb6c 100644 --- a/drivers/media/dvb/ttusb-budget/dvb-ttusb-budget.c +++ b/drivers/media/dvb/ttusb-budget/dvb-ttusb-budget.c @@ -56,10 +56,11 @@ */ 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(x...) do { if (debug) printk(KERN_DEBUG x); } while (0) #define ISO_BUF_COUNT 4 @@ -1669,7 +1670,10 @@ static int ttusb_probe(struct usb_interface *intf, const struct usb_device_id *i mutex_unlock(&ttusb->semi2c); - if ((result = dvb_register_adapter(&ttusb->adapter, "Technotrend/Hauppauge Nova-USB", THIS_MODULE, &udev->dev)) < 0) { + result = dvb_register_adapter(&ttusb->adapter, + "Technotrend/Hauppauge Nova-USB", + THIS_MODULE, &udev->dev, adapter_nr); + if (result < 0) { ttusb_free_iso_urbs(ttusb); kfree(ttusb); return result; -- cgit v1.2.3