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[media] dvb_frontend: Update the dynamic info->type 

Instead of changing the ops.info.type struct, updates only
the data that will be returned to userspace.

Also add some debug messages to help tracking such issues.

Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
This commit is contained in:
Mauro Carvalho Chehab 2012-01-05 12:28:20 -02:00
parent 6c4b78cbe6
commit 9474c5e63f
1 changed files with 9 additions and 4 deletions
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13
drivers/media/dvb/dvb-core/dvb_frontend.c
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@ -1551,6 +1551,8 @@ static int set_delivery_system(struct dvb_frontend *fe, u32 desired_system)
}
}
}
dprintk("change delivery system on cache to %d\n", c->delivery_system);
return 0;
}
@ -1965,6 +1967,7 @@ static int dvb_frontend_ioctl_legacy(struct file *file,
switch (cmd) {
case FE_GET_INFO: {
struct dvb_frontend_info* info = parg;
memcpy(info, &fe->ops.info, sizeof(struct dvb_frontend_info));
dvb_frontend_get_frequency_limits(fe, &info->frequency_min, &info->frequency_max);
@ -1981,16 +1984,16 @@ static int dvb_frontend_ioctl_legacy(struct file *file,
*/
switch (dvbv3_type(c->delivery_system)) {
case DVBV3_QPSK:
fe->ops.info.type = FE_QPSK;
info->type = FE_QPSK;
break;
case DVBV3_ATSC:
fe->ops.info.type = FE_ATSC;
info->type = FE_ATSC;
break;
case DVBV3_QAM:
fe->ops.info.type = FE_QAM;
info->type = FE_QAM;
break;
case DVBV3_OFDM:
fe->ops.info.type = FE_OFDM;
info->type = FE_OFDM;
break;
default:
printk(KERN_ERR
@ -1998,6 +2001,8 @@ static int dvb_frontend_ioctl_legacy(struct file *file,
__func__, c->delivery_system);
fe->ops.info.type = FE_OFDM;
}
dprintk("current delivery system on cache: %d, V3 type: %d\n",
c->delivery_system, fe->ops.info.type);
/* Force the CAN_INVERSION_AUTO bit on. If the frontend doesn't
* do it, it is done for it. */