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[media] dvb_usb_v2: helper macros for device/adapter/frontend pointers 

Signed-off-by: Antti Palosaari <crope@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
This commit is contained in:
Antti Palosaari 2012-06-16 17:58:53 -03:00 committed by Mauro Carvalho Chehab
parent 1a590010a2
commit f89f9ff883
1 changed files with 8 additions and 0 deletions
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8
drivers/media/dvb/dvb-usb/dvb_usb.h
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@ -22,6 +22,14 @@
#include "dmxdev.h"
#include "dvb-usb-ids.h"
/* helper macros for every DVB USB driver use */
#define adap_to_d(adap) ((adap)->dev)
#define adap_to_priv(adap) (adap_to_d(adap)->priv)
#define fe_to_adap(fe) ((struct dvb_usb_adapter *) ((fe)->dvb->priv))
#define fe_to_d(fe) (adap_to_d(fe_to_adap(fe)))
#define fe_to_priv(fe) (fe_to_d(fe)->priv)
#define d_to_priv(d) (d->priv)
#define DVB_USB_STREAM_BULK(endpoint_, count_, size_) { \
.type = USB_BULK, \
.count = count_, \