Commit 7572f9c5 authored by Mauro Carvalho Chehab's avatar Mauro Carvalho Chehab
Browse files

[media] mb86a20s: add support for serial streams 



By comparing the traffic between Pixelview (cx23102-based and Kworld
(saa7134-based), the only difference is at register 0xd5. After some
tests, It seems that it is used to change mode between serial and parallel.

Signed-off-by: default avatarMauro Carvalho Chehab <mchehab@redhat.com>
parent 55fa288d

drivers/media/dvb/frontends/mb86a20s.c

+13 −5
Original line number Diff line number Diff line
@@ -43,10 +43,6 @@ struct mb86a20s_state { 
	const struct mb86a20s_config *config;



	struct dvb_frontend frontend;









};



struct regdata {
@@ -175,7 +171,7 @@ static struct regdata mb86a20s_init[] = { 
	{ 0x45, 0x04 },

	{ 0x48, 0x04 },

	{ 0x50, 0xd5 },

	{ 0x51, 0x01 },

	{ 0x51, 0x01 },		/* Serial */

	{ 0x50, 0xd6 },

	{ 0x51, 0x1f },

	{ 0x50, 0xd2 },
@@ -376,6 +372,7 @@ static int mb86a20s_initfe(struct dvb_frontend *fe) 
{

	struct mb86a20s_state *state = fe->demodulator_priv;

	int rc;

	u8  regD5 = 1;



	dprintk("\n");
@@ -384,6 +381,17 @@ static int mb86a20s_initfe(struct dvb_frontend *fe) 
	if (rc < 0)

		return rc;



	if (!state->config->is_serial) {

		regD5 &= ~1;



		rc = mb86a20s_writereg(state, 0x50, 0xd5);

		if (rc < 0)

			return rc;

		rc = mb86a20s_writereg(state, 0x51, regD5);

		if (rc < 0)

			return rc;

	}



	return 0;

}

drivers/media/dvb/frontends/mb86a20s.h

+1 −0
Original line number Diff line number Diff line
@@ -26,6 +26,7 @@ 


struct mb86a20s_config {

	u8 demod_address;

	bool is_serial;

};



#if defined(CONFIG_DVB_MB86A20S) || (defined(CONFIG_DVB_MB86A20S_MODULE) \

drivers/media/video/cx231xx/cx231xx-dvb.c

+1 −0
Original line number Diff line number Diff line
@@ -143,6 +143,7 @@ static struct tda18271_config hcw_tda18271_config = { 


static const struct mb86a20s_config pv_mb86a20s_config = {

	.demod_address = 0x10,

	.is_serial = true,

};



static struct tda18271_config pv_tda18271_config = {