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V4L/DVB (9577): saa7134-dvb: MFE attachment clean-up for saa-7134 dvb 

This cleans-up MFE attachment for saa-7134 dvb
devices.

note: MFE is not fully implemented here yet.

Signed-off-by: Darron Broad <darron@kewl.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
hifive-unleashed-5.1
Darron Broad 2008-11-11 08:50:02 -03:00 committed by Mauro Carvalho Chehab
parent 60a5a92759
commit f3f741e711
1 changed files with 7 additions and 17 deletions
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24
drivers/media/video/saa7134/saa7134-dvb.c
View File

@ -954,20 +954,14 @@ static int dvb_init(struct saa7134_dev *dev)
/* FIXME: add support for multi-frontend */
mutex_init(&dev->frontends.lock);
INIT_LIST_HEAD(&dev->frontends.felist);
dev->frontends.active_fe_id = 0;
printk(KERN_INFO "%s() allocating 1 frontend\n", __func__);
if (videobuf_dvb_alloc_frontend(&dev->frontends, 1) == NULL) {
fe0 = videobuf_dvb_alloc_frontend(&dev->frontends, 1);
if (!fe0) {
printk(KERN_ERR "%s() failed to alloc\n", __func__);
return -ENOMEM;
}
/* Get the first frontend */
fe0 = videobuf_dvb_get_frontend(&dev->frontends, 1);
if (!fe0)
return -EINVAL;
/* init struct videobuf_dvb */
dev->ts.nr_bufs = 32;
dev->ts.nr_packets = 32*4;
@ -1376,7 +1370,7 @@ static int dvb_init(struct saa7134_dev *dev)
};
if (!fe0->dvb.frontend)
return -1;
goto dettach_frontend;
fe = dvb_attach(xc2028_attach, fe0->dvb.frontend, &cfg);
if (!fe) {
@ -1388,7 +1382,7 @@ static int dvb_init(struct saa7134_dev *dev)
if (NULL == fe0->dvb.frontend) {
printk(KERN_ERR "%s/dvb: frontend initialization failed\n", dev->name);
return -1;
goto dettach_frontend;
}
/* define general-purpose callback pointer */
fe0->dvb.frontend->callback = saa7134_tuner_callback;
@ -1411,11 +1405,8 @@ static int dvb_init(struct saa7134_dev *dev)
return ret;
dettach_frontend:
if (fe0->dvb.frontend)
dvb_frontend_detach(fe0->dvb.frontend);
fe0->dvb.frontend = NULL;
return -1;
videobuf_dvb_dealloc_frontends(&dev->frontends);
return -EINVAL;
}
static int dvb_fini(struct saa7134_dev *dev)
@ -1454,8 +1445,7 @@ static int dvb_fini(struct saa7134_dev *dev)
}
}
}
if (fe0->dvb.frontend)
videobuf_dvb_unregister_bus(&dev->frontends);
videobuf_dvb_unregister_bus(&dev->frontends);
return 0;
}