--- zzzz-none-000/linux-3.10.107/drivers/media/common/b2c2/flexcop-fe-tuner.c	2017-06-27 09:49:32.000000000 +0000
+++ scorpion-7490-727/linux-3.10.107/drivers/media/common/b2c2/flexcop-fe-tuner.c	2021-02-04 17:41:59.000000000 +0000
@@ -12,6 +12,7 @@
 #include "cx24113.h"
 #include "cx24123.h"
 #include "isl6421.h"
+#include "cx24120.h"
 #include "mt352.h"
 #include "bcm3510.h"
 #include "nxt200x.h"
@@ -26,9 +27,20 @@
 #define FE_SUPPORTED(fe) (defined(CONFIG_DVB_##fe) || \
 	(defined(CONFIG_DVB_##fe##_MODULE) && defined(MODULE)))
 
+#if FE_SUPPORTED(BCM3510) || (FE_SUPPORTED(CX24120) && FE_SUPPORTED(ISL6421))
+static int flexcop_fe_request_firmware(struct dvb_frontend *fe,
+	const struct firmware **fw, char *name)
+{
+	struct flexcop_device *fc = fe->dvb->priv;
+
+	return request_firmware(fw, name, fc->dev);
+}
+#endif
+
 /* lnb control */
 #if FE_SUPPORTED(MT312) || FE_SUPPORTED(STV0299)
-static int flexcop_set_voltage(struct dvb_frontend *fe, fe_sec_voltage_t voltage)
+static int flexcop_set_voltage(struct dvb_frontend *fe,
+			       enum fe_sec_voltage voltage)
 {
 	struct flexcop_device *fc = fe->dvb->priv;
 	flexcop_ibi_value v;
@@ -67,7 +79,7 @@
 
 /* SkyStar2 DVB-S rev 2.3 */
 #if FE_SUPPORTED(MT312) && FE_SUPPORTED(PLL)
-static int flexcop_set_tone(struct dvb_frontend *fe, fe_sec_tone_mode_t tone)
+static int flexcop_set_tone(struct dvb_frontend *fe, enum fe_sec_tone_mode tone)
 {
 /* u16 wz_half_period_for_45_mhz[] = { 0x01ff, 0x0154, 0x00ff, 0x00cc }; */
 	struct flexcop_device *fc = fe->dvb->priv;
@@ -146,7 +158,7 @@
 }
 
 static int flexcop_diseqc_send_burst(struct dvb_frontend *fe,
-	fe_sec_mini_cmd_t minicmd)
+				     enum fe_sec_mini_cmd minicmd)
 {
 	return flexcop_send_diseqc_msg(fe, 0, NULL, minicmd);
 }
@@ -445,13 +457,6 @@
 
 /* AirStar ATSC 1st generation */
 #if FE_SUPPORTED(BCM3510)
-static int flexcop_fe_request_firmware(struct dvb_frontend *fe,
-	const struct firmware **fw, char* name)
-{
-	struct flexcop_device *fc = fe->dvb->priv;
-	return request_firmware(fw, name, fc->dev);
-}
-
 static struct bcm3510_config air2pc_atsc_first_gen_config = {
 	.demod_address    = 0x0f,
 	.request_firmware = flexcop_fe_request_firmware,
@@ -619,6 +624,43 @@
 #define cablestar2_attach NULL
 #endif
 
+/* SkyStar S2 PCI DVB-S/S2 card based on Conexant cx24120/cx24118 */
+#if FE_SUPPORTED(CX24120) && FE_SUPPORTED(ISL6421)
+static const struct cx24120_config skystar2_rev3_3_cx24120_config = {
+	.i2c_addr = 0x55,
+	.xtal_khz = 10111,
+	.initial_mpeg_config = { 0xa1, 0x76, 0x07 },
+	.request_firmware = flexcop_fe_request_firmware,
+	.i2c_wr_max = 4,
+};
+
+static int skystarS2_rev33_attach(struct flexcop_device *fc,
+	struct i2c_adapter *i2c)
+{
+	fc->fe = dvb_attach(cx24120_attach,
+			    &skystar2_rev3_3_cx24120_config, i2c);
+	if (!fc->fe)
+		return 0;
+
+	fc->dev_type = FC_SKYS2_REV33;
+	fc->fc_i2c_adap[2].no_base_addr = 1;
+	if (!dvb_attach(isl6421_attach, fc->fe, &fc->fc_i2c_adap[2].i2c_adap,
+			0x08, 0, 0, false)) {
+		err("ISL6421 could NOT be attached!");
+		fc->fc_i2c_adap[2].no_base_addr = 0;
+		return 0;
+	}
+	info("ISL6421 successfully attached.");
+
+	if (fc->has_32_hw_pid_filter)
+		fc->skip_6_hw_pid_filter = 1;
+
+	return 1;
+}
+#else
+#define skystarS2_rev33_attach NULL
+#endif
+
 static struct {
 	flexcop_device_type_t type;
 	int (*attach)(struct flexcop_device *, struct i2c_adapter *);
@@ -632,6 +674,7 @@
 	{ FC_AIR_ATSC1, airstar_atsc1_attach },
 	{ FC_CABLE, cablestar2_attach },
 	{ FC_SKY_REV23, skystar2_rev23_attach },
+	{ FC_SKYS2_REV33, skystarS2_rev33_attach },
 };
 
 /* try to figure out the frontend */