[PATCH] Asus P7131 Dual - automate setting of RF antenna input in DVB-T mode - was - Re: RE : Re: MyCinema-P7131 Hybrid - no detection of tuner

[hermann pitton <hermann-pitton@xxxxxxxx>]

Am Montag, den 04.09.2006, 22:22 +0200 schrieb hermann pitton:
> Am Sonntag, den 03.09.2006, 17:50 +0200 schrieb Hartmut Hackmann:
> > HI, Hermann
> > 
> > hermann pitton wrote:
> > > Am Donnerstag, den 10.08.2006, 23:54 +0200 schrieb hermann pitton:
> > > 
> > >>Am Donnerstag, den 10.08.2006, 02:36 +0200 schrieb hermann pitton:
> > >>
> > >>>[...]
> [...]
> 
> > > Hi Hartmut,
> > > 
> > > please comment.
> > > 
> > > It is not about my personal favours, we need it for apps like xawtv4,
> > > which probe on hybrid cards.
> > > 
> > > My problem is not to use your nice legoland to make it card specific,
> > > but to set gpios on cards I don't have.
> > > 
> > Jep, i understand. The cards affected are the asus, the philips tiger
> > and the md8800. I need to find out what is necessary for this. We can
> > duplicate the functions for the time being, but when there is time,
> > i'd like to rework the driver to use more configuration tables and as
> > few board specific functions as possible.
> 
> Hello Hartmut,
> 
> thanks for review!
> 
> Can I leave it for the two functions, like it is in the testpatch and
> would you like that I regenerate a patch against master or your repo?

Anyway, here is one against the master repository.

Thanks,
Hermann

- Asus P7131 Dual hybrid.
  Introduce a card specific switch to set the RF antenna
  input in DVB-T mode. This allows apps to access analog
  and digital mode without user intervention.

Signed-off-by: Hermann Pitton <hermann-pitton@xxxxxxxx>




diff -r 443f5b4e2365 linux/drivers/media/video/saa7134/saa7134-dvb.c
--- a/linux/drivers/media/video/saa7134/saa7134-dvb.c	Sun Sep  3 16:33:10 2006
+++ b/linux/drivers/media/video/saa7134/saa7134-dvb.c	Mon Sep  4 22:38:42 2006
@@ -875,6 +875,34 @@
 
 /* ------------------------------------------------------------------ */
 
+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 @@
 					       &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;

--

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