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[media] af9015: fix i2c failures for dual-tuner devices - part 2

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Some changes for previous patch I liked to do.
Just move tuner init and sleep to own functions from the demod
init and sleep functions.  Functionality remains still almost the same.

Signed-off-by: Antti Palosaari <crope@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
This commit is contained in:
Antti Palosaari 2012-03-14 10:27:31 -03:00 committed by Mauro Carvalho Chehab
parent be4a5e7f0e
commit 6d535bd882
2 changed files with 48 additions and 30 deletions
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74
drivers/media/dvb/dvb-usb/af9015.c
View File

@ -1141,18 +1141,7 @@ static int af9015_af9013_init(struct dvb_frontend *fe)
return -EAGAIN;
ret = priv->init[adap->id](fe);
if (ret)
goto err_unlock;
if (priv->tuner_ops_init[adap->id]) {
if (fe->ops.i2c_gate_ctrl)
fe->ops.i2c_gate_ctrl(fe, 1);
ret = priv->tuner_ops_init[adap->id](fe);
if (fe->ops.i2c_gate_ctrl)
fe->ops.i2c_gate_ctrl(fe, 0);
}
err_unlock:
mutex_unlock(&adap->dev->usb_mutex);
return ret;
@ -1168,24 +1157,48 @@ static int af9015_af9013_sleep(struct dvb_frontend *fe)
if (mutex_lock_interruptible(&adap->dev->usb_mutex))
return -EAGAIN;
if (priv->tuner_ops_sleep[adap->id]) {
if (fe->ops.i2c_gate_ctrl)
fe->ops.i2c_gate_ctrl(fe, 1);
ret = priv->tuner_ops_sleep[adap->id](fe);
if (fe->ops.i2c_gate_ctrl)
fe->ops.i2c_gate_ctrl(fe, 0);
if (ret)
goto err_unlock;
}
ret = priv->sleep[adap->id](fe);
err_unlock:
mutex_unlock(&adap->dev->usb_mutex);
return ret;
}
/* override tuner callbacks for resource locking */
static int af9015_tuner_init(struct dvb_frontend *fe)
{
int ret;
struct dvb_usb_adapter *adap = fe->dvb->priv;
struct af9015_state *priv = adap->dev->priv;
if (mutex_lock_interruptible(&adap->dev->usb_mutex))
return -EAGAIN;
ret = priv->tuner_init[adap->id](fe);
mutex_unlock(&adap->dev->usb_mutex);
return ret;
}
/* override tuner callbacks for resource locking */
static int af9015_tuner_sleep(struct dvb_frontend *fe)
{
int ret;
struct dvb_usb_adapter *adap = fe->dvb->priv;
struct af9015_state *priv = adap->dev->priv;
if (mutex_lock_interruptible(&adap->dev->usb_mutex))
return -EAGAIN;
ret = priv->tuner_sleep[adap->id](fe);
mutex_unlock(&adap->dev->usb_mutex);
return ret;
}
static int af9015_af9013_frontend_attach(struct dvb_usb_adapter *adap)
{
int ret;
@ -1364,13 +1377,18 @@ static int af9015_tuner_attach(struct dvb_usb_adapter *adap)
af9015_af9013_config[adap->id].tuner);
}
state->tuner_ops_sleep[adap->id] =
adap->fe_adap[0].fe->ops.tuner_ops.sleep;
adap->fe_adap[0].fe->ops.tuner_ops.sleep = 0;
state->tuner_ops_init[adap->id] =
if (adap->fe_adap[0].fe->ops.tuner_ops.init) {
state->tuner_init[adap->id] =
adap->fe_adap[0].fe->ops.tuner_ops.init;
adap->fe_adap[0].fe->ops.tuner_ops.init = 0;
adap->fe_adap[0].fe->ops.tuner_ops.init = af9015_tuner_init;
}
if (adap->fe_adap[0].fe->ops.tuner_ops.sleep) {
state->tuner_sleep[adap->id] =
adap->fe_adap[0].fe->ops.tuner_ops.sleep;
adap->fe_adap[0].fe->ops.tuner_ops.sleep = af9015_tuner_sleep;
}
return ret;
}

4
drivers/media/dvb/dvb-usb/af9015.h
View File

@ -108,8 +108,8 @@ struct af9015_state {
int (*read_status[2]) (struct dvb_frontend *fe, fe_status_t *status);
int (*init[2]) (struct dvb_frontend *fe);
int (*sleep[2]) (struct dvb_frontend *fe);
int (*tuner_ops_init[2]) (struct dvb_frontend *fe);
int (*tuner_ops_sleep[2]) (struct dvb_frontend *fe);
int (*tuner_init[2]) (struct dvb_frontend *fe);
int (*tuner_sleep[2]) (struct dvb_frontend *fe);
};
struct af9015_config {