Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit 0aa83bb1 authored by Benjamin Larsson's avatar Benjamin Larsson Committed by Mauro Carvalho Chehab
Browse files

[media] mn88473: implement lock for all delivery systems 



Add capability to check if digital TV has lock for all delivery
systems.

Signed-off-by: default avatarBenjamin Larsson <benjamin@southpole.se>
Signed-off-by: default avatarAntti Palosaari <crope@iki.fi>
Signed-off-by: default avatarMauro Carvalho Chehab <mchehab@osg.samsung.com>
parent d73ab406

drivers/staging/media/mn88473/mn88473.c

+48 −2
Original line number Original line Diff line number Diff line
@@ -167,7 +167,10 @@ static int mn88473_read_status(struct dvb_frontend *fe, fe_status_t *status) 
{

{

	struct i2c_client *client = fe->demodulator_priv;

	struct i2c_client *client = fe->demodulator_priv;

	struct mn88473_dev *dev = i2c_get_clientdata(client);

	struct mn88473_dev *dev = i2c_get_clientdata(client);

	struct dtv_frontend_properties *c = &fe->dtv_property_cache;

	int ret;

	int ret;

	unsigned int utmp;

	int lock = 0;





	*status = 0;

	*status = 0;
@@ -176,6 +179,49 @@ static int mn88473_read_status(struct dvb_frontend *fe, fe_status_t *status) 
		goto err;

		goto err;

	}

	}





	switch (c->delivery_system) {

	case SYS_DVBT:

		ret = regmap_read(dev->regmap[0], 0x62, &utmp);

		if (ret)

			goto err;

		if (!(utmp & 0xA0)) {

			if ((utmp & 0xF) >= 0x03)

				*status |= FE_HAS_SIGNAL;

			if ((utmp & 0xF) >= 0x09)

				lock = 1;

		}

		break;

	case SYS_DVBT2:

		ret = regmap_read(dev->regmap[2], 0x8B, &utmp);

		if (ret)

			goto err;

		if (!(utmp & 0x40)) {

			if ((utmp & 0xF) >= 0x07)

				*status |= FE_HAS_SIGNAL;

			if ((utmp & 0xF) >= 0x0a)

				*status |= FE_HAS_CARRIER;

			if ((utmp & 0xF) >= 0x0d)

				*status |= FE_HAS_VITERBI | FE_HAS_SYNC | FE_HAS_LOCK;

		}

		break;

	case SYS_DVBC_ANNEX_A:

		ret = regmap_read(dev->regmap[1], 0x85, &utmp);

		if (ret)

			goto err;

		if (!(utmp & 0x40)) {

			ret = regmap_read(dev->regmap[1], 0x89, &utmp);

			if (ret)

				goto err;

			if (utmp & 0x01)

				lock = 1;

		}

		break;

	default:

		ret = -EINVAL;

		goto err;

	}



	if (lock)

		*status = FE_HAS_SIGNAL | FE_HAS_CARRIER | FE_HAS_VITERBI |

		*status = FE_HAS_SIGNAL | FE_HAS_CARRIER | FE_HAS_VITERBI |

				FE_HAS_SYNC | FE_HAS_LOCK;

				FE_HAS_SYNC | FE_HAS_LOCK;