| Message ID | 1398371004-15807-6-git-send-email-ezequiel.garcia@free-electrons.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
diff --git a/drivers/thermal/armada_thermal.c b/drivers/thermal/armada_thermal.c index aafcc4d..e228132 100644 --- a/drivers/thermal/armada_thermal.c +++ b/drivers/thermal/armada_thermal.c @@ -56,6 +56,7 @@ struct armada_thermal_data { unsigned long coef_b; unsigned long coef_m; unsigned long coef_div; + bool inverted; /* Offset and mask to access the sensor temperature */ unsigned int temp_offset; @@ -138,7 +139,10 @@ static int armada_get_temp(struct thermal_zone_device *thermal, m = priv->data->coef_m; div = priv->data->coef_div; - *temp = (b - (m * reg)) / div; + if (priv->data->inverted) + *temp = ((m * reg) - b) / div; + else + *temp = (b - (m * reg)) / div; return 0; }
In order to support inverted-formula thermal sensor readout, this commit introduces an 'inverted' field in the SoC-specific structure which allows to specify an inversion of the temperature formula. Signed-off-by: Ezequiel Garcia <ezequiel.garcia@free-electrons.com> --- drivers/thermal/armada_thermal.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-)