diff --git a/include/rtl-sdr.h b/include/rtl-sdr.h
index 58bf23a..8635bd2 100755
--- a/include/rtl-sdr.h
+++ b/include/rtl-sdr.h
@@ -535,6 +535,16 @@ RTLSDR_API int rtlsdr_ir_query(rtlsdr_dev_t *dev, uint8_t *buf, size_t buf_len);
  */
 RTLSDR_API int rtlsdr_set_bias_tee(rtlsdr_dev_t *dev, int on);
 
+/*!
+ * Enable or disable the bias tee on the given GPIO pin.
+ *
+ * \param dev the device handle given by rtlsdr_open()
+ * \param gpio the gpio pin to configure as a Bias T control.
+ * \param on  1 for Bias T on. 0 for Bias T off.
+ * \return -1 if device is not initialized. 0 otherwise.
+ */
+RTLSDR_API int rtlsdr_set_bias_tee_gpio(rtlsdr_dev_t *dev, int gpio, int on);
+
 /*!
  * Sets multiple options from a string encoded like "bw=300:agc=0:gain=27.3:dagc=0:T=1".
  * this is a helper function, that programs don't need to implement every single option
diff --git a/src/librtlsdr.c b/src/librtlsdr.c
index 2cfac04..023b4f0 100644
--- a/src/librtlsdr.c
+++ b/src/librtlsdr.c
@@ -3821,18 +3821,23 @@ err:
 	return ret;
 }
 
-int rtlsdr_set_bias_tee(rtlsdr_dev_t *dev, int on)
+int rtlsdr_set_bias_tee_gpio(rtlsdr_dev_t *dev, int gpio, int on)
 {
 	if (!dev)
 		return -1;
 
-	rtlsdr_set_gpio_output(dev, 0);
-	rtlsdr_set_gpio_bit(dev, 0, on);
+	rtlsdr_set_gpio_output(dev, gpio);
+	rtlsdr_set_gpio_bit(dev, gpio, on);
 	reactivate_softagc(dev, SOFTSTATE_RESET);
 
 	return 0;
 }
 
+int rtlsdr_set_bias_tee(rtlsdr_dev_t *dev, int on)
+{
+	return rtlsdr_set_bias_tee_gpio(dev, 0, on);
+}
+
 
 const char * rtlsdr_get_opt_help(int longInfo)
 {