diff options
| -rw-r--r-- | linux/drivers/media/common/tuners/tda8290.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/linux/drivers/media/common/tuners/tda8290.c b/linux/drivers/media/common/tuners/tda8290.c index 67c0fd5f7..54423df4c 100644 --- a/linux/drivers/media/common/tuners/tda8290.c +++ b/linux/drivers/media/common/tuners/tda8290.c @@ -589,8 +589,11 @@ static int tda829x_find_tuner(struct dvb_frontend *fe) u8 data; struct i2c_msg msg = { .flags = I2C_M_RD, .buf = &data, .len = 1 }; - if (NULL == analog_ops->i2c_gate_ctrl) + if (!analog_ops->i2c_gate_ctrl) { + printk(KERN_ERR "tda8290: no gate control were provided!\n"); + return -EINVAL; + } analog_ops->i2c_gate_ctrl(fe, 1); @@ -638,6 +641,7 @@ static int tda829x_find_tuner(struct dvb_frontend *fe) if (ret != 1) { tuner_warn("tuner access failed!\n"); + analog_ops->i2c_gate_ctrl(fe, 0); return -EREMOTEIO; } |