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sensors: ti_hdc simplified ti_hdc_channel_get

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Removed unneeded second temporary variable, used for humidity conversion

Signed-off-by: Nikos Oikonomou <nikoikonomou92@gmail.com>
This commit is contained in:
Nikos Oikonomou 2019-06-05 10:02:49 +03:00 • committed by Maureen Helm
commit 8617df1e64
1 changed files with 3 additions and 4 deletions
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7
drivers/sensor/ti_hdc/ti_hdc.c
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@ -88,11 +88,10 @@ static int ti_hdc_channel_get(struct device *dev,
val->val2 = ((tmp & 0xFFFF) * 1000000U) >> 16;
} else if (chan == SENSOR_CHAN_HUMIDITY) {
/* val = 100 * sample / 2^16 */
u32_t tmp2;
tmp2 = (u32_t)drv_data->rh_sample * 100U;
val->val1 = tmp2 >> 16;
tmp = (u64_t)drv_data->rh_sample * 100U;
val->val1 = tmp >> 16;
/* x * 1000000 / 65536 == x * 15625 / 1024 */
val->val2 = ((tmp2 & 0xFFFF) * 15625U) >> 10;
val->val2 = ((tmp & 0xFFFF) * 15625U) >> 10;
} else {
return -ENOTSUP;
}