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Diffstat (limited to 'drivers/iio/proximity/as3935.c')
-rw-r--r--drivers/iio/proximity/as3935.c12
1 files changed, 8 insertions, 4 deletions
diff --git a/drivers/iio/proximity/as3935.c b/drivers/iio/proximity/as3935.c
index e2f926cdcad2..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);
@@ -468,4 +473,3 @@ module_spi_driver(as3935_driver);
MODULE_AUTHOR("Matt Ranostay <mranostay@gmail.com>");
MODULE_DESCRIPTION("AS3935 lightning sensor");
MODULE_LICENSE("GPL");
-MODULE_ALIAS("spi:as3935");