diff options
| author | Rodrigo Vivi <rodrigo.vivi@intel.com> | 2021-05-26 09:40:54 -0400 |
|---|---|---|
| committer | Rodrigo Vivi <rodrigo.vivi@intel.com> | 2021-05-26 09:40:54 -0400 |
| commit | abfe041de01f16d74df522d92cf5e3f6523971dd (patch) | |
| tree | 1cd997085149cf09e110baa4f98725ed18ffa05a /drivers/iio/light/tsl2583.c | |
| parent | 7bc188cc2c8c7b21bfa0782f0d22bbf245ce1f63 (diff) | |
| parent | 9a91e5e0af5e03940d0eec72c36364a1701de240 (diff) | |
Merge drm/drm-next into drm-intel-next
Getting in sync with -rc2
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Diffstat (limited to 'drivers/iio/light/tsl2583.c')
| -rw-r--r-- | drivers/iio/light/tsl2583.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/iio/light/tsl2583.c b/drivers/iio/light/tsl2583.c index 0f787bfc88fc..c9d8f07a6fcd 100644 --- a/drivers/iio/light/tsl2583.c +++ b/drivers/iio/light/tsl2583.c @@ -341,6 +341,14 @@ static int tsl2583_als_calibrate(struct iio_dev *indio_dev) 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->als_settings.als_cal_target) * chip->als_settings.als_gain_trim) / lux_val); if ((gain_trim_val < 250) || (gain_trim_val > 4000)) { |