From 6b14ff9e901935a685ac430828452b53936dcbad Mon Sep 17 00:00:00 2001
From: Hermann Pitton <hermann-pitton@arcor.de>
Date: Mon, 2 Oct 2006 20:18:26 -0300
Subject: [PATCH] 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: Hermann Pitton <hermann-pitton@arcor.de>
Signed-off-by: Hartmut Hackmann <hartmut.hackmann@t-online.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
---
drivers/media/video/saa7134/saa7134-dvb.c | 32 +++++++++++++++++++++--
1 file changed, 30 insertions(+), 2 deletions(-)
diff --git a/drivers/media/video/saa7134/saa7134-dvb.c b/drivers/media/video/saa7134/saa7134-dvb.c
index fb741fa465a5..f72a91f30259 100644
--- a/drivers/media/video/saa7134/saa7134-dvb.c
+++ b/drivers/media/video/saa7134/saa7134-dvb.c
@@ -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;