From f89f9ff883cc5233933ef0b61845fc795ffa18d5 Mon Sep 17 00:00:00 2001 From: Antti Palosaari Date: Sat, 16 Jun 2012 17:58:53 -0300 Subject: [PATCH] [media] dvb_usb_v2: helper macros for device/adapter/frontend pointers Signed-off-by: Antti Palosaari Signed-off-by: Mauro Carvalho Chehab --- drivers/media/dvb/dvb-usb/dvb_usb.h | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/drivers/media/dvb/dvb-usb/dvb_usb.h b/drivers/media/dvb/dvb-usb/dvb_usb.h index 56df13fbc05e..fadc0f988efe 100644 --- a/drivers/media/dvb/dvb-usb/dvb_usb.h +++ b/drivers/media/dvb/dvb-usb/dvb_usb.h @@ -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_, \ -- 2.20.1