add Sveon STV21 stick to device list

Signed-off-by: Steve Markgraf <steve@steve-m.de>

rtl-sdr.rules

@@ -111,3 +111,5 @@ SUBSYSTEMS=="usb", ATTRS{idVendor}=="1b80", ATTRS{idProduct}=="d395", MODE:="066
 # SVEON STV20 DVB-T USB & FM (FC0012)
 SUBSYSTEMS=="usb", ATTRS{idVendor}=="1b80", ATTRS{idProduct}=="d39d", MODE:="0666"
 
+# SVEON STV21 DVB-T USB & FM
+SUBSYSTEMS=="usb", ATTRS{idVendor}=="1b80", ATTRS{idProduct}=="d3b0", MODE:="0666"

src/librtlsdr.c

@@ -301,6 +301,7 @@ static rtlsdr_dongle_t known_devices[] = {
 	{ 0x1b80, 0xd394, "DIKOM USB-DVBT HD" },
 	{ 0x1b80, 0xd395, "Peak 102569AGPK" },
 	{ 0x1b80, 0xd39d, "SVEON STV20 DVB-T USB & FM" },
+	{ 0x1b80, 0xd3b0, "SVEON STV21 DVB-T USB & FM" },
 };
 
 #define DEFAULT_BUF_NUMBER	32