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Commit 82c0126f authored by Mauro Carvalho Chehab's avatar Mauro Carvalho Chehab
Browse files

[media] mt2266: use DVBv5 parameters for set_params() 



Instead of using DVBv3 parameters, rely on DVBv5 parameters to
set the tuner.

Signed-off-by: default avatarMauro Carvalho Chehab <mchehab@redhat.com>
parent 9f179161

drivers/media/common/tuners/mt2266.c

+14 −11
Original line number Diff line number Diff line
@@ -124,6 +124,7 @@ static u8 mt2266_vhf[] = { 0x1d, 0xfe, 0x00, 0x00, 0xb4, 0x03, 0xa5, 0xa5, 


static int mt2266_set_params(struct dvb_frontend *fe, struct dvb_frontend_parameters *params)

{

	struct dtv_frontend_properties *c = &fe->dtv_property_cache;

	struct mt2266_priv *priv;

	int ret=0;

	u32 freq;
@@ -135,30 +136,32 @@ static int mt2266_set_params(struct dvb_frontend *fe, struct dvb_frontend_parame 


	priv = fe->tuner_priv;



	freq = params->frequency / 1000; // Hz -> kHz

	freq = priv->frequency / 1000; /* Hz -> kHz */

	if (freq < 470000 && freq > 230000)

		return -EINVAL; /* Gap between VHF and UHF bands */

	priv->bandwidth = (fe->ops.info.type == FE_OFDM) ? params->u.ofdm.bandwidth : 0;

	priv->frequency = freq * 1000;



	priv->frequency = c->frequency;

	tune = 2 * freq * (8192/16) / (FREF/16);

	band = (freq < 300000) ? MT2266_VHF : MT2266_UHF;

	if (band == MT2266_VHF)

		tune *= 2;



	switch (params->u.ofdm.bandwidth) {

	case BANDWIDTH_6_MHZ:

	switch (c->bandwidth_hz) {

	case 6000000:

		mt2266_writeregs(priv, mt2266_init_6mhz,

				 sizeof(mt2266_init_6mhz));

		priv->bandwidth = BANDWIDTH_6_MHZ;

		break;

	case BANDWIDTH_7_MHZ:

		mt2266_writeregs(priv, mt2266_init_7mhz,

				 sizeof(mt2266_init_7mhz));

		break;

	case BANDWIDTH_8_MHZ:

	default:

	case 8000000:

		mt2266_writeregs(priv, mt2266_init_8mhz,

				 sizeof(mt2266_init_8mhz));

		priv->bandwidth = BANDWIDTH_8_MHZ;

		break;

	case 7000000:

	default:

		mt2266_writeregs(priv, mt2266_init_7mhz,

				 sizeof(mt2266_init_7mhz));

		priv->bandwidth = BANDWIDTH_7_MHZ;

		break;

	}