V4L/DVB (8107): cx18: improve support for the Raptor board.

- add radio definition
- reset the audio firmware (required for this board, harmless for the
others)

Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>

drivers/media/video/cx18/cx18-cards.c

@@ -268,6 +268,7 @@ static const struct cx18_card cx18_card_cnxt_raptor_pal = {
 	.tuners = {
 		{ .std = V4L2_STD_PAL_SECAM, .tuner = TUNER_PHILIPS_FM1216ME_MK3 },
 	},
+	.radio_input = { CX18_CARD_INPUT_AUD_TUNER, CX18_AV_AUDIO_SERIAL, 0 },
 	.ddr = {
 		/* MT 46V16M16 memory */
 		.chip_config = 0x50306,

drivers/media/video/cx18/cx18-firmware.c

@@ -345,6 +345,11 @@ int cx18_firmware_init(struct cx18 *cx)
 		int sz = load_apu_fw_direct("v4l-cx23418-apu.fw",
 			       cx->enc_mem, cx, CX18_FW_APU_SIZE);
 
+		write_enc(0xE51FF004, 0);
+		write_enc(0xa00000, 4);  /* todo: not hardcoded */
+		write_reg(0x00010000, CX18_PROC_SOFT_RESET); /* Start APU */
+		cx18_msleep_timeout(500, 0);
+
 		sz = sz <= 0 ? sz : load_cpu_fw_direct("v4l-cx23418-cpu.fw",
 					cx->enc_mem, cx, CX18_FW_CPU_SIZE);