diff options
Diffstat (limited to 'drivers/media/video/cx88/cx88-dvb.c')
| -rw-r--r-- | drivers/media/video/cx88/cx88-dvb.c | 16 |
1 files changed, 10 insertions, 6 deletions
diff --git a/drivers/media/video/cx88/cx88-dvb.c b/drivers/media/video/cx88/cx88-dvb.c index 6968ab0181aa..309ca5e68063 100644 --- a/drivers/media/video/cx88/cx88-dvb.c +++ b/drivers/media/video/cx88/cx88-dvb.c @@ -598,6 +598,11 @@ static int dvb_register(struct cx8802_dev *dev) struct videobuf_dvb_frontend *fe0, *fe1 = NULL; int mfe_shared = 0; /* bus not shared by default */ + if (0 != core->i2c_rc) { + printk(KERN_ERR "%s/2: no i2c-bus available, cannot attach dvb drivers\n", core->name); + goto frontend_detach; + } + /* Get the first frontend */ fe0 = videobuf_dvb_get_frontend(&dev->frontends, 1); if (!fe0) @@ -789,7 +794,7 @@ static int dvb_register(struct cx8802_dev *dev) if (fe0->dvb.frontend) fe0->dvb.frontend->ops.i2c_gate_ctrl = NULL; if (attach_xc3028(0x61, dev) < 0) - return -EINVAL; + goto frontend_detach; break; case CX88_BOARD_PCHDTV_HD3000: fe0->dvb.frontend = dvb_attach(or51132_attach, &pchdtv_hd3000, @@ -1058,7 +1063,6 @@ static int dvb_register(struct cx8802_dev *dev) goto frontend_detach; core->prev_set_voltage = fe0->dvb.frontend->ops.set_voltage; fe0->dvb.frontend->ops.set_voltage = tevii_dvbs_set_voltage; - } } break; @@ -1110,10 +1114,7 @@ static int dvb_register(struct cx8802_dev *dev) &dev->pci->dev, adapter_nr, mfe_shared); frontend_detach: - if (fe0->dvb.frontend) { - dvb_frontend_detach(fe0->dvb.frontend); - fe0->dvb.frontend = NULL; - } + videobuf_dvb_dealloc_frontends(&dev->frontends); return -EINVAL; } @@ -1246,8 +1247,11 @@ fail_core: static int cx8802_dvb_remove(struct cx8802_driver *drv) { + struct cx88_core *core = drv->core; struct cx8802_dev *dev = drv->core->dvbdev; + dprintk( 1, "%s\n", __func__); + videobuf_dvb_unregister_bus(&dev->frontends); vp3054_i2c_remove(dev); |