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Commit 6b14ff9e authored by Hermann Pitton's avatar Hermann Pitton Committed by Mauro Carvalho Chehab
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V4L/DVB (4702): Fix: set antenna input for DVB-T for Asus P7131 Dual hybrid 



This patch forces the correct antenna input input in DVB-T
mode for this card.

Signed-off-by: default avatarHermann Pitton <hermann-pitton@arcor.de>
Signed-off-by: default avatarHartmut Hackmann <hartmut.hackmann@t-online.de>
Signed-off-by: default avatarMauro Carvalho Chehab <mchehab@infradead.org>
parent 17b10a73

drivers/media/video/saa7134/saa7134-dvb.c

+30 −2
Original line number Diff line number Diff line
@@ -874,6 +874,34 @@ static struct tda1004x_config philips_tiger_config = { 


/* ------------------------------------------------------------------ */



static int asus_p7131_dual_tuner_init(struct dvb_frontend *fe)

{

	struct saa7134_dev *dev = fe->dvb->priv;

	static u8 data[] = { 0x3c, 0x33, 0x6a};

	struct i2c_msg msg = {.addr=0x08, .flags=0, .buf=data, .len = sizeof(data)};



	if (i2c_transfer(&dev->i2c_adap, &msg, 1) != 1)

		return -EIO;

	/* make sure the DVB-T antenna input is set */

	saa_setl(SAA7134_GPIO_GPSTATUS0 >> 2, 0x0200000);

	return 0;

}



static int asus_p7131_dual_tuner_sleep(struct dvb_frontend *fe)

{

	struct saa7134_dev *dev = fe->dvb->priv;

	static u8 data[] = { 0x3c, 0x33, 0x68};

	struct i2c_msg msg = {.addr=0x08, .flags=0, .buf=data, .len = sizeof(data)};



	i2c_transfer(&dev->i2c_adap, &msg, 1);

	philips_tda827xa_tuner_sleep( 0x61, fe);

	/* reset antenna inputs for analog usage */

	saa_clearl(SAA7134_GPIO_GPSTATUS0 >> 2, 0x0200000);

	return 0;

}



/* ------------------------------------------------------------------ */



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

{

	int ret;
@@ -1148,8 +1176,8 @@ static int dvb_init(struct saa7134_dev *dev) 
					       &philips_tiger_config,

					       &dev->i2c_adap);

		if (dev->dvb.frontend) {

			dev->dvb.frontend->ops.tuner_ops.init = philips_tiger_tuner_init;

			dev->dvb.frontend->ops.tuner_ops.sleep = philips_tiger_tuner_sleep;

			dev->dvb.frontend->ops.tuner_ops.init = asus_p7131_dual_tuner_init;

			dev->dvb.frontend->ops.tuner_ops.sleep = asus_p7131_dual_tuner_sleep;

			dev->dvb.frontend->ops.tuner_ops.set_params = philips_tiger_tuner_set_params;

		}

		break;