diff options
| -rw-r--r-- | drivers/staging/iio/light/tsl2583.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/staging/iio/light/tsl2583.c b/drivers/staging/iio/light/tsl2583.c index 08f1583ee34e..fb3ec56d45b6 100644 --- a/drivers/staging/iio/light/tsl2583.c +++ b/drivers/staging/iio/light/tsl2583.c @@ -382,6 +382,15 @@ static int taos_als_calibrate(struct iio_dev *indio_dev) dev_err(&chip->client->dev, "taos_als_calibrate failed to get lux\n"); return lux_val; } + + /* Avoid division by zero of lux_value later on */ + if (lux_val == 0) { + dev_err(&chip->client->dev, + "%s: lux_val of 0 will produce out of range trim_value\n", + __func__); + return -ENODATA; + } + gain_trim_val = (unsigned int)(((chip->taos_settings.als_cal_target) * chip->taos_settings.als_gain_trim) / lux_val); |