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[media] af9035: implement TUA9001 GPIOs correctly

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Signed-off-by: Antti Palosaari <crope@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
This commit is contained in:
Antti Palosaari 2012-09-16 22:26:56 -03:00 • committed by Mauro Carvalho Chehab
parent 69504793df
commit 51639be3b3
1 changed files with 48 additions and 17 deletions
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65
drivers/media/usb/dvb-usb-v2/af9035.c
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@ -583,6 +583,52 @@ err:
return ret; return ret;
} }
static int af9035_tua9001_tuner_callback(struct dvb_usb_device *d,
int cmd, int arg)
{
int ret;
u8 val;
dev_dbg(&d->udev->dev, "%s: cmd=%d arg=%d\n", __func__, cmd, arg);
/*
* CEN always enabled by hardware wiring
* RESETN GPIOT3
* RXEN GPIOT2
*/
switch (cmd) {
case TUA9001_CMD_RESETN:
if (arg)
val = 0x00;
else
val = 0x01;
ret = af9035_wr_reg_mask(d, 0x00d8e7, val, 0x01);
if (ret < 0)
goto err;
break;
case TUA9001_CMD_RXEN:
if (arg)
val = 0x01;
else
val = 0x00;
ret = af9035_wr_reg_mask(d, 0x00d8eb, val, 0x01);
if (ret < 0)
goto err;
break;
}
return 0;
err:
dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, ret);
return ret;
}
static int af9035_fc0011_tuner_callback(struct dvb_usb_device *d, static int af9035_fc0011_tuner_callback(struct dvb_usb_device *d,
int cmd, int arg) int cmd, int arg)
{ {
@ -655,6 +701,8 @@ static int af9035_tuner_callback(struct dvb_usb_device *d, int cmd, int arg)
switch (state->af9033_config[0].tuner) { switch (state->af9033_config[0].tuner) {
case AF9033_TUNER_FC0011: case AF9033_TUNER_FC0011:
return af9035_fc0011_tuner_callback(d, cmd, arg); return af9035_fc0011_tuner_callback(d, cmd, arg);
case AF9033_TUNER_TUA9001:
return af9035_tua9001_tuner_callback(d, cmd, arg);
default: default:
break; break;
} }
@ -779,23 +827,6 @@ static int af9035_tuner_attach(struct dvb_usb_adapter *adap)
if (ret < 0) if (ret < 0)
goto err; goto err;
/* reset tuner */
ret = af9035_wr_reg_mask(d, 0x00d8e7, 0x00, 0x01);
if (ret < 0)
goto err;
usleep_range(2000, 20000);
ret = af9035_wr_reg_mask(d, 0x00d8e7, 0x01, 0x01);
if (ret < 0)
goto err;
/* activate tuner RX */
/* TODO: use callback for TUA9001 RXEN */
ret = af9035_wr_reg_mask(d, 0x00d8eb, 0x01, 0x01);
if (ret < 0)
goto err;
/* attach tuner */ /* attach tuner */
fe = dvb_attach(tua9001_attach, adap->fe[0], fe = dvb_attach(tua9001_attach, adap->fe[0],
&d->i2c_adap, &af9035_tua9001_config); &d->i2c_adap, &af9035_tua9001_config);