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V4L/DVB (7538): Adds selectable adapter numbers as per module option

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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>
This commit is contained in:
Janne Grunau
2008-04-09 19:13:13 -03:00
committed by Mauro Carvalho Chehab
parent 9950c1b5b4
commit 78e92006f4
37 changed files with 242 additions and 83 deletions
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drivers/media/dvb/pluto2/pluto2.c
+4 -1
View File
@@ -39,6 +39,8 @@
#include "dvbdev.h"
#include "tda1004x.h"
DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr);
#define DRIVER_NAME "pluto2"
#define REG_PIDn(n) ((n) << 2) /* PID n pattern registers */
@@ -662,7 +664,8 @@ static int __devinit pluto2_probe(struct pci_dev *pdev,
goto err_pluto_hw_exit;
/* dvb */
ret = dvb_register_adapter(&pluto->dvb_adapter, DRIVER_NAME, THIS_MODULE, &pdev->dev);
ret = dvb_register_adapter(&pluto->dvb_adapter, DRIVER_NAME,
THIS_MODULE, &pdev->dev, adapter_nr);
if (ret < 0)
goto err_i2c_del_adapter;