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Commit c5f51b15 authored by Antti Palosaari's avatar Antti Palosaari Committed by Mauro Carvalho Chehab
Browse files

[media] e4000: rename some variables 



Rename some variables.
Change error status checks from (ret < 0) to (ret).
No actual functionality changes.

Signed-off-by: default avatarAntti Palosaari <crope@iki.fi>
Signed-off-by: default avatarMauro Carvalho Chehab <m.chehab@samsung.com>
parent bd428bbc

drivers/media/tuners/e4000.c

+166 −166
Original line number Diff line number Diff line
@@ -23,110 +23,110 @@ 


static int e4000_init(struct dvb_frontend *fe)

{

	struct e4000_priv *priv = fe->tuner_priv;

	struct e4000 *s = fe->tuner_priv;

	int ret;



	dev_dbg(&priv->client->dev, "%s:\n", __func__);

	dev_dbg(&s->client->dev, "%s:\n", __func__);



	/* dummy I2C to ensure I2C wakes up */

	ret = regmap_write(priv->regmap, 0x02, 0x40);

	ret = regmap_write(s->regmap, 0x02, 0x40);



	/* reset */

	ret = regmap_write(priv->regmap, 0x00, 0x01);

	if (ret < 0)

	ret = regmap_write(s->regmap, 0x00, 0x01);

	if (ret)

		goto err;



	/* disable output clock */

	ret = regmap_write(priv->regmap, 0x06, 0x00);

	if (ret < 0)

	ret = regmap_write(s->regmap, 0x06, 0x00);

	if (ret)

		goto err;



	ret = regmap_write(priv->regmap, 0x7a, 0x96);

	if (ret < 0)

	ret = regmap_write(s->regmap, 0x7a, 0x96);

	if (ret)

		goto err;



	/* configure gains */

	ret = regmap_bulk_write(priv->regmap, 0x7e, "\x01\xfe", 2);

	if (ret < 0)

	ret = regmap_bulk_write(s->regmap, 0x7e, "\x01\xfe", 2);

	if (ret)

		goto err;



	ret = regmap_write(priv->regmap, 0x82, 0x00);

	if (ret < 0)

	ret = regmap_write(s->regmap, 0x82, 0x00);

	if (ret)

		goto err;



	ret = regmap_write(priv->regmap, 0x24, 0x05);

	if (ret < 0)

	ret = regmap_write(s->regmap, 0x24, 0x05);

	if (ret)

		goto err;



	ret = regmap_bulk_write(priv->regmap, 0x87, "\x20\x01", 2);

	if (ret < 0)

	ret = regmap_bulk_write(s->regmap, 0x87, "\x20\x01", 2);

	if (ret)

		goto err;



	ret = regmap_bulk_write(priv->regmap, 0x9f, "\x7f\x07", 2);

	if (ret < 0)

	ret = regmap_bulk_write(s->regmap, 0x9f, "\x7f\x07", 2);

	if (ret)

		goto err;



	/* DC offset control */

	ret = regmap_write(priv->regmap, 0x2d, 0x1f);

	if (ret < 0)

	ret = regmap_write(s->regmap, 0x2d, 0x1f);

	if (ret)

		goto err;



	ret = regmap_bulk_write(priv->regmap, 0x70, "\x01\x01", 2);

	if (ret < 0)

	ret = regmap_bulk_write(s->regmap, 0x70, "\x01\x01", 2);

	if (ret)

		goto err;



	/* gain control */

	ret = regmap_write(priv->regmap, 0x1a, 0x17);

	if (ret < 0)

	ret = regmap_write(s->regmap, 0x1a, 0x17);

	if (ret)

		goto err;



	ret = regmap_write(priv->regmap, 0x1f, 0x1a);

	if (ret < 0)

	ret = regmap_write(s->regmap, 0x1f, 0x1a);

	if (ret)

		goto err;



	priv->active = true;

	s->active = true;

err:

	if (ret)

		dev_dbg(&priv->client->dev, "%s: failed=%d\n", __func__, ret);

		dev_dbg(&s->client->dev, "%s: failed=%d\n", __func__, ret);



	return ret;

}



static int e4000_sleep(struct dvb_frontend *fe)

{

	struct e4000_priv *priv = fe->tuner_priv;

	struct e4000 *s = fe->tuner_priv;

	int ret;



	dev_dbg(&priv->client->dev, "%s:\n", __func__);

	dev_dbg(&s->client->dev, "%s:\n", __func__);



	priv->active = false;

	s->active = false;



	ret = regmap_write(priv->regmap, 0x00, 0x00);

	if (ret < 0)

	ret = regmap_write(s->regmap, 0x00, 0x00);

	if (ret)

		goto err;

err:

	if (ret)

		dev_dbg(&priv->client->dev, "%s: failed=%d\n", __func__, ret);

		dev_dbg(&s->client->dev, "%s: failed=%d\n", __func__, ret);



	return ret;

}



static int e4000_set_params(struct dvb_frontend *fe)

{

	struct e4000_priv *priv = fe->tuner_priv;

	struct e4000 *s = fe->tuner_priv;

	struct dtv_frontend_properties *c = &fe->dtv_property_cache;

	int ret, i, sigma_delta;

	u64 f_vco;

	u8 buf[5], i_data[4], q_data[4];



	dev_dbg(&priv->client->dev,

	dev_dbg(&s->client->dev,

			"%s: delivery_system=%d frequency=%u bandwidth_hz=%u\n",

			__func__, c->delivery_system, c->frequency,

			c->bandwidth_hz);



	/* gain control manual */

	ret = regmap_write(priv->regmap, 0x1a, 0x00);

	if (ret < 0)

	ret = regmap_write(s->regmap, 0x1a, 0x00);

	if (ret)

		goto err;



	/* PLL */
@@ -141,19 +141,19 @@ static int e4000_set_params(struct dvb_frontend *fe) 
	}



	f_vco = 1ull * c->frequency * e4000_pll_lut[i].mul;

	sigma_delta = div_u64(0x10000ULL * (f_vco % priv->clock), priv->clock);

	buf[0] = div_u64(f_vco, priv->clock);

	sigma_delta = div_u64(0x10000ULL * (f_vco % s->clock), s->clock);

	buf[0] = div_u64(f_vco, s->clock);

	buf[1] = (sigma_delta >> 0) & 0xff;

	buf[2] = (sigma_delta >> 8) & 0xff;

	buf[3] = 0x00;

	buf[4] = e4000_pll_lut[i].div;



	dev_dbg(&priv->client->dev,

	dev_dbg(&s->client->dev,

			"%s: f_vco=%llu pll div=%d sigma_delta=%04x\n",

			__func__, f_vco, buf[0], sigma_delta);



	ret = regmap_bulk_write(priv->regmap, 0x09, buf, 5);

	if (ret < 0)

	ret = regmap_bulk_write(s->regmap, 0x09, buf, 5);

	if (ret)

		goto err;



	/* LNA filter (RF filter) */
@@ -167,8 +167,8 @@ static int e4000_set_params(struct dvb_frontend *fe) 
		goto err;

	}



	ret = regmap_write(priv->regmap, 0x10, e400_lna_filter_lut[i].val);

	if (ret < 0)

	ret = regmap_write(s->regmap, 0x10, e400_lna_filter_lut[i].val);

	if (ret)

		goto err;



	/* IF filters */
@@ -185,8 +185,8 @@ static int e4000_set_params(struct dvb_frontend *fe) 
	buf[0] = e4000_if_filter_lut[i].reg11_val;

	buf[1] = e4000_if_filter_lut[i].reg12_val;



	ret = regmap_bulk_write(priv->regmap, 0x11, buf, 2);

	if (ret < 0)

	ret = regmap_bulk_write(s->regmap, 0x11, buf, 2);

	if (ret)

		goto err;



	/* frequency band */
@@ -200,34 +200,34 @@ static int e4000_set_params(struct dvb_frontend *fe) 
		goto err;

	}



	ret = regmap_write(priv->regmap, 0x07, e4000_band_lut[i].reg07_val);

	if (ret < 0)

	ret = regmap_write(s->regmap, 0x07, e4000_band_lut[i].reg07_val);

	if (ret)

		goto err;



	ret = regmap_write(priv->regmap, 0x78, e4000_band_lut[i].reg78_val);

	if (ret < 0)

	ret = regmap_write(s->regmap, 0x78, e4000_band_lut[i].reg78_val);

	if (ret)

		goto err;



	/* DC offset */

	for (i = 0; i < 4; i++) {

		if (i == 0)

			ret = regmap_bulk_write(priv->regmap, 0x15, "\x00\x7e\x24", 3);

			ret = regmap_bulk_write(s->regmap, 0x15, "\x00\x7e\x24", 3);

		else if (i == 1)

			ret = regmap_bulk_write(priv->regmap, 0x15, "\x00\x7f", 2);

			ret = regmap_bulk_write(s->regmap, 0x15, "\x00\x7f", 2);

		else if (i == 2)

			ret = regmap_bulk_write(priv->regmap, 0x15, "\x01", 1);

			ret = regmap_bulk_write(s->regmap, 0x15, "\x01", 1);

		else

			ret = regmap_bulk_write(priv->regmap, 0x16, "\x7e", 1);

			ret = regmap_bulk_write(s->regmap, 0x16, "\x7e", 1);



		if (ret < 0)

		if (ret)

			goto err;



		ret = regmap_write(priv->regmap, 0x29, 0x01);

		if (ret < 0)

		ret = regmap_write(s->regmap, 0x29, 0x01);

		if (ret)

			goto err;



		ret = regmap_bulk_read(priv->regmap, 0x2a, buf, 3);

		if (ret < 0)

		ret = regmap_bulk_read(s->regmap, 0x2a, buf, 3);

		if (ret)

			goto err;



		i_data[i] = (((buf[2] >> 0) & 0x3) << 6) | (buf[0] & 0x3f);
@@ -237,30 +237,30 @@ static int e4000_set_params(struct dvb_frontend *fe) 
	swap(q_data[2], q_data[3]);

	swap(i_data[2], i_data[3]);



	ret = regmap_bulk_write(priv->regmap, 0x50, q_data, 4);

	if (ret < 0)

	ret = regmap_bulk_write(s->regmap, 0x50, q_data, 4);

	if (ret)

		goto err;



	ret = regmap_bulk_write(priv->regmap, 0x60, i_data, 4);

	if (ret < 0)

	ret = regmap_bulk_write(s->regmap, 0x60, i_data, 4);

	if (ret)

		goto err;



	/* gain control auto */

	ret = regmap_write(priv->regmap, 0x1a, 0x17);

	if (ret < 0)

	ret = regmap_write(s->regmap, 0x1a, 0x17);

	if (ret)

		goto err;

err:

	if (ret)

		dev_dbg(&priv->client->dev, "%s: failed=%d\n", __func__, ret);

		dev_dbg(&s->client->dev, "%s: failed=%d\n", __func__, ret);



	return ret;

}



static int e4000_get_if_frequency(struct dvb_frontend *fe, u32 *frequency)

{

	struct e4000_priv *priv = fe->tuner_priv;

	struct e4000 *s = fe->tuner_priv;



	dev_dbg(&priv->client->dev, "%s:\n", __func__);

	dev_dbg(&s->client->dev, "%s:\n", __func__);



	*frequency = 0; /* Zero-IF */
@@ -269,143 +269,143 @@ static int e4000_get_if_frequency(struct dvb_frontend *fe, u32 *frequency) 


static int e4000_set_lna_gain(struct dvb_frontend *fe)

{

	struct e4000_priv *priv = fe->tuner_priv;

	struct e4000 *s = fe->tuner_priv;

	int ret;

	u8 u8tmp;



	dev_dbg(&priv->client->dev, "%s: lna auto=%d->%d val=%d->%d\n",

			__func__, priv->lna_gain_auto->cur.val,

			priv->lna_gain_auto->val, priv->lna_gain->cur.val,

			priv->lna_gain->val);

	dev_dbg(&s->client->dev, "%s: lna auto=%d->%d val=%d->%d\n",

			__func__, s->lna_gain_auto->cur.val,

			s->lna_gain_auto->val, s->lna_gain->cur.val,

			s->lna_gain->val);



	if (priv->lna_gain_auto->val && priv->if_gain_auto->cur.val)

	if (s->lna_gain_auto->val && s->if_gain_auto->cur.val)

		u8tmp = 0x17;

	else if (priv->lna_gain_auto->val)

	else if (s->lna_gain_auto->val)

		u8tmp = 0x19;

	else if (priv->if_gain_auto->cur.val)

	else if (s->if_gain_auto->cur.val)

		u8tmp = 0x16;

	else

		u8tmp = 0x10;



	ret = regmap_write(priv->regmap, 0x1a, u8tmp);

	ret = regmap_write(s->regmap, 0x1a, u8tmp);

	if (ret)

		goto err;



	if (priv->lna_gain_auto->val == false) {

		ret = regmap_write(priv->regmap, 0x14, priv->lna_gain->val);

	if (s->lna_gain_auto->val == false) {

		ret = regmap_write(s->regmap, 0x14, s->lna_gain->val);

		if (ret)

			goto err;

	}

err:

	if (ret)

		dev_dbg(&priv->client->dev, "%s: failed=%d\n", __func__, ret);

		dev_dbg(&s->client->dev, "%s: failed=%d\n", __func__, ret);



	return ret;

}



static int e4000_set_mixer_gain(struct dvb_frontend *fe)

{

	struct e4000_priv *priv = fe->tuner_priv;

	struct e4000 *s = fe->tuner_priv;

	int ret;

	u8 u8tmp;



	dev_dbg(&priv->client->dev, "%s: mixer auto=%d->%d val=%d->%d\n",

			__func__, priv->mixer_gain_auto->cur.val,

			priv->mixer_gain_auto->val, priv->mixer_gain->cur.val,

			priv->mixer_gain->val);

	dev_dbg(&s->client->dev, "%s: mixer auto=%d->%d val=%d->%d\n",

			__func__, s->mixer_gain_auto->cur.val,

			s->mixer_gain_auto->val, s->mixer_gain->cur.val,

			s->mixer_gain->val);



	if (priv->mixer_gain_auto->val)

	if (s->mixer_gain_auto->val)

		u8tmp = 0x15;

	else

		u8tmp = 0x14;



	ret = regmap_write(priv->regmap, 0x20, u8tmp);

	ret = regmap_write(s->regmap, 0x20, u8tmp);

	if (ret)

		goto err;



	if (priv->mixer_gain_auto->val == false) {

		ret = regmap_write(priv->regmap, 0x15, priv->mixer_gain->val);

	if (s->mixer_gain_auto->val == false) {

		ret = regmap_write(s->regmap, 0x15, s->mixer_gain->val);

		if (ret)

			goto err;

	}

err:

	if (ret)

		dev_dbg(&priv->client->dev, "%s: failed=%d\n", __func__, ret);

		dev_dbg(&s->client->dev, "%s: failed=%d\n", __func__, ret);



	return ret;

}



static int e4000_set_if_gain(struct dvb_frontend *fe)

{

	struct e4000_priv *priv = fe->tuner_priv;

	struct e4000 *s = fe->tuner_priv;

	int ret;

	u8 buf[2];

	u8 u8tmp;



	dev_dbg(&priv->client->dev, "%s: if auto=%d->%d val=%d->%d\n",

			__func__, priv->if_gain_auto->cur.val,

			priv->if_gain_auto->val, priv->if_gain->cur.val,

			priv->if_gain->val);

	dev_dbg(&s->client->dev, "%s: if auto=%d->%d val=%d->%d\n",

			__func__, s->if_gain_auto->cur.val,

			s->if_gain_auto->val, s->if_gain->cur.val,

			s->if_gain->val);



	if (priv->if_gain_auto->val && priv->lna_gain_auto->cur.val)

	if (s->if_gain_auto->val && s->lna_gain_auto->cur.val)

		u8tmp = 0x17;

	else if (priv->lna_gain_auto->cur.val)

	else if (s->lna_gain_auto->cur.val)

		u8tmp = 0x19;

	else if (priv->if_gain_auto->val)

	else if (s->if_gain_auto->val)

		u8tmp = 0x16;

	else

		u8tmp = 0x10;



	ret = regmap_write(priv->regmap, 0x1a, u8tmp);

	ret = regmap_write(s->regmap, 0x1a, u8tmp);

	if (ret)

		goto err;



	if (priv->if_gain_auto->val == false) {

		buf[0] = e4000_if_gain_lut[priv->if_gain->val].reg16_val;

		buf[1] = e4000_if_gain_lut[priv->if_gain->val].reg17_val;

		ret = regmap_bulk_write(priv->regmap, 0x16, buf, 2);

	if (s->if_gain_auto->val == false) {

		buf[0] = e4000_if_gain_lut[s->if_gain->val].reg16_val;

		buf[1] = e4000_if_gain_lut[s->if_gain->val].reg17_val;

		ret = regmap_bulk_write(s->regmap, 0x16, buf, 2);

		if (ret)

			goto err;

	}

err:

	if (ret)

		dev_dbg(&priv->client->dev, "%s: failed=%d\n", __func__, ret);

		dev_dbg(&s->client->dev, "%s: failed=%d\n", __func__, ret);



	return ret;

}



static int e4000_pll_lock(struct dvb_frontend *fe)

{

	struct e4000_priv *priv = fe->tuner_priv;

	struct e4000 *s = fe->tuner_priv;

	int ret;

	unsigned int utmp;



	ret = regmap_read(priv->regmap, 0x07, &utmp);

	if (ret < 0)

	ret = regmap_read(s->regmap, 0x07, &utmp);

	if (ret)

		goto err;



	priv->pll_lock->val = (utmp & 0x01);

	s->pll_lock->val = (utmp & 0x01);

err:

	if (ret)

		dev_dbg(&priv->client->dev, "%s: failed=%d\n", __func__, ret);

		dev_dbg(&s->client->dev, "%s: failed=%d\n", __func__, ret);



	return ret;

}



static int e4000_g_volatile_ctrl(struct v4l2_ctrl *ctrl)

{

	struct e4000_priv *priv = container_of(ctrl->handler, struct e4000_priv, hdl);

	struct e4000 *s = container_of(ctrl->handler, struct e4000, hdl);

	int ret;



	if (priv->active == false)

	if (s->active == false)

		return 0;



	switch (ctrl->id) {

	case  V4L2_CID_RF_TUNER_PLL_LOCK:

		ret = e4000_pll_lock(priv->fe);

		ret = e4000_pll_lock(s->fe);

		break;

	default:

		dev_dbg(&priv->client->dev, "%s: unknown ctrl: id=%d name=%s\n",

		dev_dbg(&s->client->dev, "%s: unknown ctrl: id=%d name=%s\n",

				__func__, ctrl->id, ctrl->name);

		ret = -EINVAL;

	}
@@ -415,34 +415,34 @@ static int e4000_g_volatile_ctrl(struct v4l2_ctrl *ctrl) 


static int e4000_s_ctrl(struct v4l2_ctrl *ctrl)

{

	struct e4000_priv *priv = container_of(ctrl->handler, struct e4000_priv, hdl);

	struct dvb_frontend *fe = priv->fe;

	struct e4000 *s = container_of(ctrl->handler, struct e4000, hdl);

	struct dvb_frontend *fe = s->fe;

	struct dtv_frontend_properties *c = &fe->dtv_property_cache;

	int ret;



	if (priv->active == false)

	if (s->active == false)

		return 0;



	switch (ctrl->id) {

	case V4L2_CID_RF_TUNER_BANDWIDTH_AUTO:

	case V4L2_CID_RF_TUNER_BANDWIDTH:

		c->bandwidth_hz = priv->bandwidth->val;

		ret = e4000_set_params(priv->fe);

		c->bandwidth_hz = s->bandwidth->val;

		ret = e4000_set_params(s->fe);

		break;

	case  V4L2_CID_RF_TUNER_LNA_GAIN_AUTO:

	case  V4L2_CID_RF_TUNER_LNA_GAIN:

		ret = e4000_set_lna_gain(priv->fe);

		ret = e4000_set_lna_gain(s->fe);

		break;

	case  V4L2_CID_RF_TUNER_MIXER_GAIN_AUTO:

	case  V4L2_CID_RF_TUNER_MIXER_GAIN:

		ret = e4000_set_mixer_gain(priv->fe);

		ret = e4000_set_mixer_gain(s->fe);

		break;

	case  V4L2_CID_RF_TUNER_IF_GAIN_AUTO:

	case  V4L2_CID_RF_TUNER_IF_GAIN:

		ret = e4000_set_if_gain(priv->fe);

		ret = e4000_set_if_gain(s->fe);

		break;

	default:

		dev_dbg(&priv->client->dev, "%s: unknown ctrl: id=%d name=%s\n",

		dev_dbg(&s->client->dev, "%s: unknown ctrl: id=%d name=%s\n",

				__func__, ctrl->id, ctrl->name);

		ret = -EINVAL;

	}
@@ -478,7 +478,7 @@ static int e4000_probe(struct i2c_client *client, 
{

	struct e4000_config *cfg = client->dev.platform_data;

	struct dvb_frontend *fe = cfg->fe;

	struct e4000_priv *priv;

	struct e4000 *s;

	int ret;

	unsigned int utmp;

	static const struct regmap_config regmap_config = {
@@ -487,28 +487,28 @@ static int e4000_probe(struct i2c_client *client, 
		.max_register = 0xff,

	};



	priv = kzalloc(sizeof(struct e4000_priv), GFP_KERNEL);

	if (!priv) {

	s = kzalloc(sizeof(struct e4000), GFP_KERNEL);

	if (!s) {

		ret = -ENOMEM;

		dev_err(&client->dev, "%s: kzalloc() failed\n", KBUILD_MODNAME);

		goto err;

	}



	priv->clock = cfg->clock;

	priv->client = client;

	priv->fe = cfg->fe;

	priv->regmap = devm_regmap_init_i2c(client, &regmap_config);

	if (IS_ERR(priv->regmap)) {

		ret = PTR_ERR(priv->regmap);

	s->clock = cfg->clock;

	s->client = client;

	s->fe = cfg->fe;

	s->regmap = devm_regmap_init_i2c(client, &regmap_config);

	if (IS_ERR(s->regmap)) {

		ret = PTR_ERR(s->regmap);

		goto err;

	}



	/* check if the tuner is there */

	ret = regmap_read(priv->regmap, 0x02, &utmp);

	if (ret < 0)

	ret = regmap_read(s->regmap, 0x02, &utmp);

	if (ret)

		goto err;



	dev_dbg(&priv->client->dev, "%s: chip id=%02x\n", __func__, utmp);

	dev_dbg(&s->client->dev, "%s: chip id=%02x\n", __func__, utmp);



	if (utmp != 0x40) {

		ret = -ENODEV;
@@ -516,59 +516,59 @@ static int e4000_probe(struct i2c_client *client, 
	}



	/* put sleep as chip seems to be in normal mode by default */

	ret = regmap_write(priv->regmap, 0x00, 0x00);

	if (ret < 0)

	ret = regmap_write(s->regmap, 0x00, 0x00);

	if (ret)

		goto err;



	/* Register controls */

	v4l2_ctrl_handler_init(&priv->hdl, 9);

	priv->bandwidth_auto = v4l2_ctrl_new_std(&priv->hdl, &e4000_ctrl_ops,

	v4l2_ctrl_handler_init(&s->hdl, 9);

	s->bandwidth_auto = v4l2_ctrl_new_std(&s->hdl, &e4000_ctrl_ops,

			V4L2_CID_RF_TUNER_BANDWIDTH_AUTO, 0, 1, 1, 1);

	priv->bandwidth = v4l2_ctrl_new_std(&priv->hdl, &e4000_ctrl_ops,

	s->bandwidth = v4l2_ctrl_new_std(&s->hdl, &e4000_ctrl_ops,

			V4L2_CID_RF_TUNER_BANDWIDTH, 4300000, 11000000, 100000, 4300000);

	v4l2_ctrl_auto_cluster(2, &priv->bandwidth_auto, 0, false);

	priv->lna_gain_auto = v4l2_ctrl_new_std(&priv->hdl, &e4000_ctrl_ops,

	v4l2_ctrl_auto_cluster(2, &s->bandwidth_auto, 0, false);

	s->lna_gain_auto = v4l2_ctrl_new_std(&s->hdl, &e4000_ctrl_ops,

			V4L2_CID_RF_TUNER_LNA_GAIN_AUTO, 0, 1, 1, 1);

	priv->lna_gain = v4l2_ctrl_new_std(&priv->hdl, &e4000_ctrl_ops,

	s->lna_gain = v4l2_ctrl_new_std(&s->hdl, &e4000_ctrl_ops,

			V4L2_CID_RF_TUNER_LNA_GAIN, 0, 15, 1, 10);

	v4l2_ctrl_auto_cluster(2, &priv->lna_gain_auto, 0, false);

	priv->mixer_gain_auto = v4l2_ctrl_new_std(&priv->hdl, &e4000_ctrl_ops,

	v4l2_ctrl_auto_cluster(2, &s->lna_gain_auto, 0, false);

	s->mixer_gain_auto = v4l2_ctrl_new_std(&s->hdl, &e4000_ctrl_ops,

			V4L2_CID_RF_TUNER_MIXER_GAIN_AUTO, 0, 1, 1, 1);

	priv->mixer_gain = v4l2_ctrl_new_std(&priv->hdl, &e4000_ctrl_ops,

	s->mixer_gain = v4l2_ctrl_new_std(&s->hdl, &e4000_ctrl_ops,

			V4L2_CID_RF_TUNER_MIXER_GAIN, 0, 1, 1, 1);

	v4l2_ctrl_auto_cluster(2, &priv->mixer_gain_auto, 0, false);

	priv->if_gain_auto = v4l2_ctrl_new_std(&priv->hdl, &e4000_ctrl_ops,

	v4l2_ctrl_auto_cluster(2, &s->mixer_gain_auto, 0, false);

	s->if_gain_auto = v4l2_ctrl_new_std(&s->hdl, &e4000_ctrl_ops,

			V4L2_CID_RF_TUNER_IF_GAIN_AUTO, 0, 1, 1, 1);

	priv->if_gain = v4l2_ctrl_new_std(&priv->hdl, &e4000_ctrl_ops,

	s->if_gain = v4l2_ctrl_new_std(&s->hdl, &e4000_ctrl_ops,

			V4L2_CID_RF_TUNER_IF_GAIN, 0, 54, 1, 0);

	v4l2_ctrl_auto_cluster(2, &priv->if_gain_auto, 0, false);

	priv->pll_lock = v4l2_ctrl_new_std(&priv->hdl, &e4000_ctrl_ops,

	v4l2_ctrl_auto_cluster(2, &s->if_gain_auto, 0, false);

	s->pll_lock = v4l2_ctrl_new_std(&s->hdl, &e4000_ctrl_ops,

			V4L2_CID_RF_TUNER_PLL_LOCK,  0, 1, 1, 0);

	if (priv->hdl.error) {

		ret = priv->hdl.error;

		dev_err(&priv->client->dev, "Could not initialize controls\n");

		v4l2_ctrl_handler_free(&priv->hdl);

	if (s->hdl.error) {

		ret = s->hdl.error;

		dev_err(&s->client->dev, "Could not initialize controls\n");

		v4l2_ctrl_handler_free(&s->hdl);

		goto err;

	}



	priv->sd.ctrl_handler = &priv->hdl;

	s->sd.ctrl_handler = &s->hdl;



	dev_info(&priv->client->dev,

	dev_info(&s->client->dev,

			"%s: Elonics E4000 successfully identified\n",

			KBUILD_MODNAME);



	fe->tuner_priv = priv;

	fe->tuner_priv = s;

	memcpy(&fe->ops.tuner_ops, &e4000_tuner_ops,

			sizeof(struct dvb_tuner_ops));



	v4l2_set_subdevdata(&priv->sd, client);

	i2c_set_clientdata(client, &priv->sd);

	v4l2_set_subdevdata(&s->sd, client);

	i2c_set_clientdata(client, &s->sd);



	return 0;

err:

	if (ret) {

		dev_dbg(&client->dev, "%s: failed=%d\n", __func__, ret);

		kfree(priv);

		kfree(s);

	}



	return ret;
@@ -577,15 +577,15 @@ static int e4000_probe(struct i2c_client *client, 
static int e4000_remove(struct i2c_client *client)

{

	struct v4l2_subdev *sd = i2c_get_clientdata(client);

	struct e4000_priv *priv = container_of(sd, struct e4000_priv, sd);

	struct dvb_frontend *fe = priv->fe;

	struct e4000 *s = container_of(sd, struct e4000, sd);

	struct dvb_frontend *fe = s->fe;



	dev_dbg(&client->dev, "%s:\n", __func__);



	v4l2_ctrl_handler_free(&priv->hdl);

	v4l2_ctrl_handler_free(&s->hdl);

	memset(&fe->ops.tuner_ops, 0, sizeof(struct dvb_tuner_ops));

	fe->tuner_priv = NULL;

	kfree(priv);

	kfree(s);



	return 0;

}

drivers/media/tuners/e4000_priv.h

+1 −1
Original line number Diff line number Diff line
@@ -26,7 +26,7 @@ 
#include <media/v4l2-subdev.h>

#include <linux/regmap.h>



struct e4000_priv {

struct e4000 {

	struct i2c_client *client;

	struct regmap *regmap;

	u32 clock;