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author | 2020-09-09 17:44:39 +0200 | |
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committer | 2020-09-13 10:37:46 +0100 | |
commit | 23e0618ca0255d12798acd3ae37fd98d0def7070 (patch) | |
tree | 5f73ae414813818ae2286e40d361648a10fd325f /drivers/iio/light | |
parent | iio: temperature: mlx90632: Interface to change object ambient temperature (diff) | |
download | linux-23e0618ca0255d12798acd3ae37fd98d0def7070.tar.gz linux-23e0618ca0255d12798acd3ae37fd98d0def7070.tar.bz2 linux-23e0618ca0255d12798acd3ae37fd98d0def7070.zip |
iio: light: as73211: Increase measurement timeout
We found some sensors which are much slower (20% at room temperature)
than nominal. According to the data sheet, up to 27% is possible. Now I
add 33% to the nominal time out, hopefully this is enough.
Signed-off-by: Christian Eggers <ceggers@arri.de>
Link: https://lore.kernel.org/r/20200909154439.10308-1-ceggers@arri.de
Fixes: 403e5586b52e ("iio: light: as73211: New driver")
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Diffstat (limited to 'drivers/iio/light')
-rw-r--r-- | drivers/iio/light/as73211.c | 5 |
1 files changed, 2 insertions, 3 deletions
diff --git a/drivers/iio/light/as73211.c b/drivers/iio/light/as73211.c index b1178dfc1f65..7b32dfaee9b3 100644 --- a/drivers/iio/light/as73211.c +++ b/drivers/iio/light/as73211.c @@ -259,10 +259,9 @@ static int as73211_req_data(struct as73211_data *data) data->osr &= ~AS73211_OSR_SS; /* - * Add some extra margin for the timeout. sensor timing is not as precise - * as our one ... + * Add 33% extra margin for the timeout. fclk,min = fclk,typ - 27%. */ - time_us += time_us / 8; + time_us += time_us / 3; if (data->client->irq) { ret = wait_for_completion_timeout(&data->completion, usecs_to_jiffies(time_us)); if (!ret) { |