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

Commit d51dc917 authored by Antti Palosaari's avatar Antti Palosaari Committed by Mauro Carvalho Chehab
Browse files

[media] cxd2820r: improve lock detection



Check demod and ts locks and report lock status according to those.

Signed-off-by: default avatarAntti Palosaari <crope@iki.fi>
Signed-off-by: default avatarMauro Carvalho Chehab <mchehab@s-opensource.com>
parent c98975f9
Loading
Loading
Loading
Loading
+18 −11
Original line number Diff line number Diff line
@@ -160,25 +160,32 @@ int cxd2820r_read_status_c(struct dvb_frontend *fe, enum fe_status *status)
	struct i2c_client *client = priv->client[0];
	struct dtv_frontend_properties *c = &fe->dtv_property_cache;
	int ret;
	unsigned int utmp;
	unsigned int utmp, utmp1, utmp2;
	u8 buf[3];
	*status = 0;

	ret = cxd2820r_rd_regs(priv, 0x10088, buf, 2);
	/* Lock detection */
	ret = cxd2820r_rd_reg(priv, 0x10088, &buf[0]);
	if (ret)
		goto error;
	ret = cxd2820r_rd_reg(priv, 0x10073, &buf[1]);
	if (ret)
		goto error;

	if (((buf[0] >> 0) & 0x01) == 1) {
		*status |= FE_HAS_SIGNAL | FE_HAS_CARRIER |
			FE_HAS_VITERBI | FE_HAS_SYNC;
	utmp1 = (buf[0] >> 0) & 0x01;
	utmp2 = (buf[1] >> 3) & 0x01;

		if (((buf[1] >> 3) & 0x01) == 1) {
			*status |= FE_HAS_SIGNAL | FE_HAS_CARRIER |
	if (utmp1 == 1 && utmp2 == 1) {
		*status = FE_HAS_SIGNAL | FE_HAS_CARRIER |
			  FE_HAS_VITERBI | FE_HAS_SYNC | FE_HAS_LOCK;
		}
	} else if (utmp1 == 1 || utmp2 == 1) {
		*status = FE_HAS_SIGNAL | FE_HAS_CARRIER |
			  FE_HAS_VITERBI | FE_HAS_SYNC;
	} else {
		*status = 0;
	}

	dev_dbg(&client->dev, "lock=%*ph\n", 2, buf);
	dev_dbg(&client->dev, "status=%02x raw=%*ph sync=%u ts=%u\n",
		*status, 2, buf, utmp1, utmp2);

	/* Signal strength */
	if (*status & FE_HAS_SIGNAL) {
+17 −27
Original line number Diff line number Diff line
@@ -265,42 +265,32 @@ int cxd2820r_read_status_t(struct dvb_frontend *fe, enum fe_status *status)
	struct i2c_client *client = priv->client[0];
	struct dtv_frontend_properties *c = &fe->dtv_property_cache;
	int ret;
	unsigned int utmp;
	u8 buf[4];
	*status = 0;
	unsigned int utmp, utmp1, utmp2;
	u8 buf[3];

	/* Lock detection */
	ret = cxd2820r_rd_reg(priv, 0x00010, &buf[0]);
	if (ret)
		goto error;

	if ((buf[0] & 0x07) == 6) {
	ret = cxd2820r_rd_reg(priv, 0x00073, &buf[1]);
	if (ret)
		goto error;

		if (((buf[1] >> 3) & 0x01) == 1) {
			*status |= FE_HAS_SIGNAL | FE_HAS_CARRIER |
	utmp1 = (buf[0] >> 0) & 0x07;
	utmp2 = (buf[1] >> 3) & 0x01;

	if (utmp1 == 6 && utmp2 == 1) {
		*status = FE_HAS_SIGNAL | FE_HAS_CARRIER |
			  FE_HAS_VITERBI | FE_HAS_SYNC | FE_HAS_LOCK;
		} else {
			*status |= FE_HAS_SIGNAL | FE_HAS_CARRIER |
	} else if (utmp1 == 6 || utmp2 == 1) {
		*status = FE_HAS_SIGNAL | FE_HAS_CARRIER |
			  FE_HAS_VITERBI | FE_HAS_SYNC;
		}
	} else {
		ret = cxd2820r_rd_reg(priv, 0x00014, &buf[2]);
		if (ret)
			goto error;

		if ((buf[2] & 0x0f) >= 4) {
			ret = cxd2820r_rd_reg(priv, 0x00a14, &buf[3]);
			if (ret)
				goto error;

			if (((buf[3] >> 4) & 0x01) == 1)
				*status |= FE_HAS_SIGNAL;
		}
		*status = 0;
	}

	dev_dbg(&client->dev, "lock=%*ph\n", 4, buf);
	dev_dbg(&client->dev, "status=%02x raw=%*ph sync=%u ts=%u\n",
		*status, 2, buf, utmp1, utmp2);

	/* Signal strength */
	if (*status & FE_HAS_SIGNAL) {
+15 −11
Original line number Diff line number Diff line
@@ -293,25 +293,29 @@ int cxd2820r_read_status_t2(struct dvb_frontend *fe, enum fe_status *status)
	struct dtv_frontend_properties *c = &fe->dtv_property_cache;
	struct i2c_client *client = priv->client[0];
	int ret;
	unsigned int utmp;
	unsigned int utmp, utmp1, utmp2;
	u8 buf[4];
	*status = 0;

	/* Lock detection */
	ret = cxd2820r_rd_reg(priv, 0x02010 , &buf[0]);
	if (ret)
		goto error;

	if ((buf[0] & 0x07) == 6) {
		if (((buf[0] >> 5) & 0x01) == 1) {
			*status |= FE_HAS_SIGNAL | FE_HAS_CARRIER |
	utmp1 = (buf[0] >> 0) & 0x07;
	utmp2 = (buf[0] >> 5) & 0x01;

	if (utmp1 == 6 && utmp2 == 1) {
		*status = FE_HAS_SIGNAL | FE_HAS_CARRIER |
			  FE_HAS_VITERBI | FE_HAS_SYNC | FE_HAS_LOCK;
		} else {
			*status |= FE_HAS_SIGNAL | FE_HAS_CARRIER |
	} else if (utmp1 == 6 || utmp2 == 1) {
		*status = FE_HAS_SIGNAL | FE_HAS_CARRIER |
			  FE_HAS_VITERBI | FE_HAS_SYNC;
		}
	} else {
		*status = 0;
	}

	dev_dbg(&client->dev, "lock=%*ph\n", 1, buf);
	dev_dbg(&client->dev, "status=%02x raw=%*ph sync=%u ts=%u\n",
		*status, 1, buf, utmp1, utmp2);

	/* Signal strength */
	if (*status & FE_HAS_SIGNAL) {