diff options
Diffstat (limited to 'drivers/media/dvb/frontends/dvb-pll.c')
| -rw-r--r-- | drivers/media/dvb/frontends/dvb-pll.c | 11 |
1 files changed, 7 insertions, 4 deletions
diff --git a/drivers/media/dvb/frontends/dvb-pll.c b/drivers/media/dvb/frontends/dvb-pll.c index 2be33f27c69..b7e7108ee5b 100644 --- a/drivers/media/dvb/frontends/dvb-pll.c +++ b/drivers/media/dvb/frontends/dvb-pll.c @@ -493,6 +493,9 @@ static int dvb_pll_sleep(struct dvb_frontend *fe) int i; int result; + if (priv->i2c == NULL) + return -EINVAL; + for (i = 0; i < priv->pll_desc->count; i++) { if (priv->pll_desc->entries[i].limit == 0) break; @@ -611,7 +614,7 @@ static struct dvb_tuner_ops dvb_pll_tuner_ops = { .get_bandwidth = dvb_pll_get_bandwidth, }; -int dvb_pll_attach(struct dvb_frontend *fe, int pll_addr, struct i2c_adapter *i2c, struct dvb_pll_desc *desc) +struct dvb_frontend *dvb_pll_attach(struct dvb_frontend *fe, int pll_addr, struct i2c_adapter *i2c, struct dvb_pll_desc *desc) { u8 b1 [] = { 0 }; struct i2c_msg msg = { .addr = pll_addr, .flags = I2C_M_RD, .buf = b1, .len = 1 }; @@ -624,14 +627,14 @@ int dvb_pll_attach(struct dvb_frontend *fe, int pll_addr, struct i2c_adapter *i2 ret = i2c_transfer (i2c, &msg, 1); if (ret != 1) - return -1; + return NULL; if (fe->ops.i2c_gate_ctrl) fe->ops.i2c_gate_ctrl(fe, 0); } priv = kzalloc(sizeof(struct dvb_pll_priv), GFP_KERNEL); if (priv == NULL) - return -ENOMEM; + return NULL; priv->pll_i2c_address = pll_addr; priv->i2c = i2c; @@ -643,7 +646,7 @@ int dvb_pll_attach(struct dvb_frontend *fe, int pll_addr, struct i2c_adapter *i2 fe->ops.tuner_ops.info.frequency_min = desc->max; fe->tuner_priv = priv; - return 0; + return fe; } EXPORT_SYMBOL(dvb_pll_attach); |