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drivers: sensor: hts221: Return error on not supported channel

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When asserts were disabled then sensor accepted any channel in
hts221_channel_get(). Changed to return -ENOTSUP when invalid
channel is provided.

Signed-off-by: Krzysztof Chruscinski <krzysztof.chruscinski@nordicsemi.no>
This commit is contained in:
Krzysztof Chruscinski 2020-01-03 11:14:55 +01:00 • committed by Anas Nashif
commit efeb7fa771
1 changed files with 3 additions and 4 deletions
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7
drivers/sensor/hts221/hts221.c
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@ -27,9 +27,6 @@ static int hts221_channel_get(struct device *dev,
struct hts221_data *drv_data = dev->driver_data;
s32_t conv_val;
__ASSERT_NO_MSG(chan == SENSOR_CHAN_AMBIENT_TEMP ||
chan == SENSOR_CHAN_HUMIDITY);
/*
* see "Interpreting humidity and temperature readings" document
* for more details
@ -44,7 +41,7 @@ static int hts221_channel_get(struct device *dev,
/* convert temperature x8 to degrees Celsius */
val->val1 = conv_val / 8;
val->val2 = (conv_val % 8) * (1000000 / 8);
} else { /* SENSOR_CHAN_HUMIDITY */
} else if (chan == SENSOR_CHAN_HUMIDITY) {
conv_val = (s32_t)(drv_data->h1_rh_x2 - drv_data->h0_rh_x2) *
(drv_data->rh_sample - drv_data->h0_t0_out) /
(drv_data->h1_t0_out - drv_data->h0_t0_out) +
@ -53,6 +50,8 @@ static int hts221_channel_get(struct device *dev,
/* convert humidity x2 to percent */
val->val1 = conv_val / 2;
val->val2 = (conv_val % 2) * 500000;
} else {
return -ENOTSUP;
}
return 0;