diff options
| -rw-r--r-- | drivers/iio/proximity/as3935.c | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/drivers/iio/proximity/as3935.c b/drivers/iio/proximity/as3935.c index c12fde23c7ef..a9d58472e304 100644 --- a/drivers/iio/proximity/as3935.c +++ b/drivers/iio/proximity/as3935.c @@ -224,10 +224,16 @@ 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) { @@ -235,7 +241,7 @@ 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; } } |