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| author | Jiri Valek - 2N <valek@2n.cz> | 2021-09-20 14:53:48 +0200 |
|---|---|---|
| committer | Jonathan Cameron <Jonathan.Cameron@huawei.com> | 2021-10-03 17:43:25 +0200 |
| commit | 26d90b5590579def54382a2fc34cfbe8518a9851 (patch) | |
| tree | 852b77557d9c97140810a0be1f4ff19d4627f7e3 /drivers/iio/light | |
| parent | iio: adis16480: fix devices that do not support sleep mode (diff) | |
| download | linux-26d90b5590579def54382a2fc34cfbe8518a9851.tar.xz linux-26d90b5590579def54382a2fc34cfbe8518a9851.zip | |
iio: light: opt3001: Fixed timeout error when 0 lux
Reading from sensor returned timeout error under
zero light conditions.
Signed-off-by: Jiri Valek - 2N <valek@2n.cz>
Fixes: ac663db3678a ("iio: light: opt3001: enable operation w/o IRQ")
Link: https://lore.kernel.org/r/20210920125351.6569-1-valek@2n.cz
Cc: <Stable@vger.kernel.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Diffstat (limited to 'drivers/iio/light')
| -rw-r--r-- | drivers/iio/light/opt3001.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/drivers/iio/light/opt3001.c b/drivers/iio/light/opt3001.c index 52963da401a7..1880bd5bb258 100644 --- a/drivers/iio/light/opt3001.c +++ b/drivers/iio/light/opt3001.c @@ -276,6 +276,8 @@ static int opt3001_get_lux(struct opt3001 *opt, int *val, int *val2) ret = wait_event_timeout(opt->result_ready_queue, opt->result_ready, msecs_to_jiffies(OPT3001_RESULT_READY_LONG)); + if (ret == 0) + return -ETIMEDOUT; } else { /* Sleep for result ready time */ timeout = (opt->int_time == OPT3001_INT_TIME_SHORT) ? @@ -312,9 +314,7 @@ err: /* Disallow IRQ to access the device while lock is active */ opt->ok_to_ignore_lock = false; - if (ret == 0) - return -ETIMEDOUT; - else if (ret < 0) + if (ret < 0) return ret; if (opt->use_irq) { |