[media] r820t: add DVBC profile in sysfreq_sel

This will make the Astrometa DVB-T/T2/C usb stick be able to pick up
muxes around 290-314 MHz.

Signed-off-by: Benjamin Larsson <benjamin@southpole.se>
Signed-off-by: Antti Palosaari <crope@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>

drivers/media/tuners/r820t.c

@@ -775,6 +775,19 @@ static int r820t_sysfreq_sel(struct r820t_priv *priv, u32 freq,
 		div_buf_cur = 0x30;	/* 11, 150u */
 		filter_cur = 0x40;	/* 10, low */
 		break;
+	case SYS_DVBC_ANNEX_A:
+		mixer_top = 0x24;       /* mixer top:13 , top-1, low-discharge */
+		lna_top = 0xe5;
+		lna_vth_l = 0x62;
+		mixer_vth_l = 0x75;
+		air_cable1_in = 0x60;
+		cable2_in = 0x00;
+		pre_dect = 0x40;
+		lna_discharge = 14;
+		cp_cur = 0x38;          /* 111, auto */
+		div_buf_cur = 0x30;     /* 11, 150u */
+		filter_cur = 0x40;      /* 10, low */
+		break;
 	default: /* DVB-T 8M */
 		mixer_top = 0x24;	/* mixer top:13 , top-1, low-discharge */
 		lna_top = 0xe5;		/* detect bw 3, lna top:4, predet top:2 */