V4L/DVB (12486): cx88: fix TBS 8920 card support

It does matter to set explicitly gpio0 value in
cx88_board structure for TBS 8920 card.
Signed-off-by: Igor M. Liplianin <liplianin@me.by>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

drivers/media/video/cx88/cx88-cards.c

@@ -1953,7 +1953,8 @@ static const struct cx88_board cx88_boards[] = {
 		.radio_addr     = ADDR_UNSET,
 		.input          = {{
 			.type   = CX88_VMUX_DVB,
-			.vmux   = 1,
+			.vmux   = 0,
+			.gpio0  = 0x8080,
 		} },
 		.mpeg           = CX88_MPEG_DVB,
 	},
@@ -3211,7 +3212,11 @@ static void cx88_card_setup(struct cx88_core *core)
 	case  CX88_BOARD_PROF_6200:
 	case  CX88_BOARD_PROF_7300:
 	case  CX88_BOARD_SATTRADE_ST4200:
+		cx_write(MO_GP0_IO, 0x8000);
+		msleep(100);
 		cx_write(MO_SRST_IO, 0);
+		msleep(10);
+		cx_write(MO_GP0_IO, 0x8080);
 		msleep(100);
 		cx_write(MO_SRST_IO, 1);
 		msleep(100);

drivers/media/video/cx88/cx88-dvb.c

@@ -424,17 +424,16 @@ static int tevii_dvbs_set_voltage(struct dvb_frontend *fe,
 	struct cx8802_dev *dev= fe->dvb->priv;
 	struct cx88_core *core = dev->core;
 
+	cx_set(MO_GP0_IO, 0x6040);
 	switch (voltage) {
 		case SEC_VOLTAGE_13:
-			printk("LNB Voltage SEC_VOLTAGE_13\n");
-			cx_write(MO_GP0_IO, 0x00006040);
+			cx_clear(MO_GP0_IO, 0x20);
 			break;
 		case SEC_VOLTAGE_18:
-			printk("LNB Voltage SEC_VOLTAGE_18\n");
-			cx_write(MO_GP0_IO, 0x00006060);
+			cx_set(MO_GP0_IO, 0x20);
 			break;
 		case SEC_VOLTAGE_OFF:
-			printk("LNB Voltage SEC_VOLTAGE_off\n");
+			cx_clear(MO_GP0_IO, 0x20);
 			break;
 	}