V4L2_TUNER_SUB_RDS
vt->rxsubchans |= V4L2_TUNER_SUB_RDS;
v->rxsubchans |= V4L2_TUNER_SUB_RDS;
v->rxsubchans |= V4L2_TUNER_SUB_RDS;
| V4L2_TUNER_SUB_RDS;
tuner->rxsubchans = V4L2_TUNER_SUB_RDS;
tuner->rxsubchans |= V4L2_TUNER_SUB_RDS;
vm.txsubchans |= V4L2_TUNER_SUB_RDS;
vm->txsubchans |= V4L2_TUNER_SUB_RDS;
vm->txsubchans &= ~V4L2_TUNER_SUB_RDS;
rds = !!(vm->txsubchans & V4L2_TUNER_SUB_RDS);
dev->radio_tx_subchans = V4L2_TUNER_SUB_STEREO | V4L2_TUNER_SUB_RDS;
(!dev->radio_rds_loop || (dev->radio_tx_subchans & V4L2_TUNER_SUB_RDS)) &&
vt->rxsubchans |= V4L2_TUNER_SUB_RDS;
(dev->radio_rds_loop && !(dev->radio_tx_subchans & V4L2_TUNER_SUB_RDS)) ||
!(dev->radio_tx_subchans & V4L2_TUNER_SUB_RDS)) {