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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/video/cx23885
parent9950c1b5b4b86d4aae12853c2f0a0ef11d976764 (diff)
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/video/cx23885')
-rw-r--r--drivers/media/video/cx23885/cx23885-dvb.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/media/video/cx23885/cx23885-dvb.c b/drivers/media/video/cx23885/cx23885-dvb.c
index 74baa28d16ab..1a720abbd066 100644
--- a/drivers/media/video/cx23885/cx23885-dvb.c
+++ b/drivers/media/video/cx23885/cx23885-dvb.c
@@ -54,6 +54,8 @@ static unsigned int alt_tuner;
module_param(alt_tuner, int, 0644);
MODULE_PARM_DESC(alt_tuner, "Enable alternate tuner configuration");
+DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr);
+
/* ------------------------------------------------------------------ */
static int dvb_buf_setup(struct videobuf_queue *q,
@@ -333,7 +335,7 @@ static int dvb_register(struct cx23885_tsport *port)
/* register everything */
return videobuf_dvb_register(&port->dvb, THIS_MODULE, port,
- &dev->pci->dev);
+ &dev->pci->dev, adapter_nr);
}
int cx23885_dvb_register(struct cx23885_tsport *port)