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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>
39 lines
956 B
C
39 lines
956 B
C
#include <dvbdev.h>
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#include <dmxdev.h>
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#include <dvb_demux.h>
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#include <dvb_net.h>
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#include <dvb_frontend.h>
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struct videobuf_dvb {
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/* filling that the job of the driver */
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char *name;
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struct dvb_frontend *frontend;
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struct videobuf_queue dvbq;
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/* video-buf-dvb state info */
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struct mutex lock;
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struct task_struct *thread;
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int nfeeds;
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/* videobuf_dvb_(un)register manges this */
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struct dvb_adapter adapter;
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struct dvb_demux demux;
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struct dmxdev dmxdev;
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struct dmx_frontend fe_hw;
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struct dmx_frontend fe_mem;
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struct dvb_net net;
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};
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int videobuf_dvb_register(struct videobuf_dvb *dvb,
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struct module *module,
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void *adapter_priv,
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struct device *device,
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short *adapter_nr);
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void videobuf_dvb_unregister(struct videobuf_dvb *dvb);
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/*
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* Local variables:
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* c-basic-offset: 8
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* End:
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*/
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