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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: 403e5586b5
("iio: light: as73211: New driver")
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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1 changed files with 2 additions and 3 deletions
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@ -259,10 +259,9 @@ static int as73211_req_data(struct as73211_data *data)
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data->osr &= ~AS73211_OSR_SS;
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/*
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* Add some extra margin for the timeout. sensor timing is not as precise
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* as our one ...
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* Add 33% extra margin for the timeout. fclk,min = fclk,typ - 27%.
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*/
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time_us += time_us / 8;
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time_us += time_us / 3;
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if (data->client->irq) {
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ret = wait_for_completion_timeout(&data->completion, usecs_to_jiffies(time_us));
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if (!ret) {
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