diff options
Diffstat (limited to 'drivers/iio/proximity/as3935.c')
| -rw-r--r-- | drivers/iio/proximity/as3935.c | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/drivers/iio/proximity/as3935.c b/drivers/iio/proximity/as3935.c index 9aa2ce551ba8..2e3a70e1b245 100644 --- a/drivers/iio/proximity/as3935.c +++ b/drivers/iio/proximity/as3935.c @@ -231,10 +231,16 @@ static void as3935_event_work(struct work_struct *work) { struct as3935_state *st; int val; + int ret; st = container_of(work, struct as3935_state, work.work); - as3935_read(st, AS3935_INT, &val); + ret = as3935_read(st, AS3935_INT, &val); + if (ret) { + dev_warn(&st->spi->dev, "read error\n"); + return; + } + val &= AS3935_INT_MASK; switch (val) { @@ -242,7 +248,7 @@ static void as3935_event_work(struct work_struct *work) iio_trigger_poll(st->trig); break; case AS3935_NOISE_INT: - dev_warn(&st->spi->dev, "noise level is too high"); + dev_warn(&st->spi->dev, "noise level is too high\n"); break; } } @@ -346,7 +352,6 @@ static int as3935_probe(struct spi_device *spi) st = iio_priv(indio_dev); st->spi = spi; - st->tune_cap = 0; spi_set_drvdata(spi, indio_dev); mutex_init(&st->lock); |