Re: [PATCH] FM1216ME_MK3 AUX byte for FM mode

[Dmitri Belimov <d.belimov@gmail.com>]

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Hi Mauro

Need apply this patch. I test it for compile only right now I haven't TV cards with 1216ME_MK3.
I was send ask on our forum for test.

With my best regards, Dmitry.

> Hi Dmitri,
> 
> Em 23-04-2009 02:40, Dmitri Belimov escreveu:
> > Hi All
> > 
> > Write AUX byte to FM1216ME_MK3 when FM mode, better sensitivity. It
> > can be usefull for other tuners.
> 
> Hmm... Found this patch. It were never applied, but it may make some
> sense to apply it.
> 
> Could you please double-check if this patch is still valid, and, if
> so, re-send it to me?
> 
> Thanks!
> Mauro
> 
> 
> > 
> > diff -r 00a84f86671d
> > linux/drivers/media/common/tuners/tuner-simple.c ---
> > a/linux/drivers/media/common/tuners/tuner-simple.c	Mon Apr
> > 20 22:07:44 2009 +0000 +++
> > b/linux/drivers/media/common/tuners/tuner-simple.c	Thu Apr
> > 23 10:26:54 2009 +1000 @@ -751,6 +751,17 @@ if (4 != rc)
> > tuner_warn("i2c i/o error: rc == %d (should be 4)\n", rc); 
> > +	/* Write AUX byte */
> > +	switch (priv->type) {
> > +	case TUNER_PHILIPS_FM1216ME_MK3:
> > +		buffer[2] = 0x98;
> > +		buffer[3] = 0x20; /* set TOP AGC */
> > +		rc = tuner_i2c_xfer_send(&priv->i2c_props, buffer,
> > 4);
> > +		if (4 != rc)
> > +			tuner_warn("i2c i/o error: rc == %d
> > (should be 4)\n", rc);
> > +		break;
> > +	}
> > +
> >  	return 0;
> >  }
> >  
> > Signed-off-by: Beholder Intl. Ltd. Dmitry Belimov
> > <d.belimov@gmail.com>
> > 
> > 
> > With my best regards, Dmitry.
> 

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diff --git a/drivers/media/common/tuners/tuner-simple.c b/drivers/media/common/tuners/tuner-simple.c
index f8ee29e..4092200 100644
--- a/drivers/media/common/tuners/tuner-simple.c
+++ b/drivers/media/common/tuners/tuner-simple.c
@@ -751,6 +751,17 @@ static int simple_set_radio_freq(struct dvb_frontend *fe,
 	if (4 != rc)
 		tuner_warn("i2c i/o error: rc == %d (should be 4)\n", rc);
 
+	/* Write AUX byte */
+	switch (priv->type) {
+	case TUNER_PHILIPS_FM1216ME_MK3:
+		buffer[2] = 0x98;
+		buffer[3] = 0x20; /* set TOP AGC */
+		rc = tuner_i2c_xfer_send(&priv->i2c_props, buffer, 4);
+		if (4 != rc)
+			tuner_warn("i2c i/o error: rc == %d (should be 4)\n", rc);
+		break;
+	}
+
 	return 0;
 }
 

Signed-off-by: Beholder Intl. Ltd. Dmitry Belimov <d.belimov@gmail.com>