add offset tuning bias tee hack

This commit is contained in:
rtlsdrblog 2023-08-23 22:23:58 +12:00
parent 1261fbb285
commit 8426cbe3f0

View File

@ -1242,8 +1242,15 @@ int rtlsdr_set_offset_tuning(rtlsdr_dev_t *dev, int on)
return -1;
if ((dev->tuner_type == RTLSDR_TUNER_R820T) ||
(dev->tuner_type == RTLSDR_TUNER_R828D))
(dev->tuner_type == RTLSDR_TUNER_R828D)) {
/* RTL-SDR-BLOG Hack, enables us to turn on the bias tee by
* clicking on "offset tuning" in software that doesn't have
* specified bias tee support. Offset tuning is not used for
*R820T devices so it is no problem.
*/
rtlsdr_set_gpio(dev, 0, on);
return -2;
}
if (dev->direct_sampling)
return -3;