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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/dvb/ttpci/budget-core.c
parent9950c1b5b4b86d4aae12853c2f0a0ef11d976764 (diff)
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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/dvb/ttpci/budget-core.c')
-rw-r--r--drivers/media/dvb/ttpci/budget-core.c7
1 files changed, 5 insertions, 2 deletions
diff --git a/drivers/media/dvb/ttpci/budget-core.c b/drivers/media/dvb/ttpci/budget-core.c
index 06bbce4..18cac4b 100644
--- a/drivers/media/dvb/ttpci/budget-core.c
+++ b/drivers/media/dvb/ttpci/budget-core.c
@@ -57,6 +57,8 @@ module_param_named(bufsize, dma_buffer_size, int, 0444);
MODULE_PARM_DESC(debug, "Turn on/off budget debugging (default:off).");
MODULE_PARM_DESC(bufsize, "DMA buffer size in KB, default: 188, min: 188, max: 1410 (Activy: 564)");
+DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr);
+
/****************************************************************************
* TT budget / WinTV Nova
****************************************************************************/
@@ -471,9 +473,10 @@ int ttpci_budget_init(struct budget *budget, struct saa7146_dev *dev,
budget->buffer_width, budget->buffer_height);
printk("%s: dma buffer size %u\n", budget->dev->name, budget->buffer_size);
- if ((ret = dvb_register_adapter(&budget->dvb_adapter, budget->card->name, owner, &budget->dev->pci->dev)) < 0) {
+ ret = dvb_register_adapter(&budget->dvb_adapter, budget->card->name,
+ owner, &budget->dev->pci->dev, adapter_nr);
+ if (ret < 0)
return ret;
- }
/* set dd1 stream a & b */
saa7146_write(dev, DD1_STREAM_B, 0x00000000);