From: Nadav Haklai Date: Wed, 15 Apr 2015 17:08:08 +0000 (+0200) Subject: thermal: armada: Update Armada 380 thermal sensor coefficients X-Git-Url: http://drtracing.org/?a=commitdiff_plain;h=efa86858e1d8970411a140fa1e0c4dd18a8f2a89;p=deliverable%2Flinux.git thermal: armada: Update Armada 380 thermal sensor coefficients Improve the Armada 380 thermal sensor accuracy by using updated formula. The updated formula is: Temperature[C degrees] = 0.4761 * tsen_vsen_out - 279.1 Signed-off-by: Nadav Haklai Signed-off-by: Gregory CLEMENT Cc: #v3.16 Signed-off-by: Eduardo Valentin --- diff --git a/drivers/thermal/armada_thermal.c b/drivers/thermal/armada_thermal.c index c2556cf5186b..01255fd65135 100644 --- a/drivers/thermal/armada_thermal.c +++ b/drivers/thermal/armada_thermal.c @@ -224,9 +224,9 @@ static const struct armada_thermal_data armada380_data = { .is_valid_shift = 10, .temp_shift = 0, .temp_mask = 0x3ff, - .coef_b = 1169498786UL, - .coef_m = 2000000UL, - .coef_div = 4289, + .coef_b = 2931108200UL, + .coef_m = 5000000UL, + .coef_div = 10502, .inverted = true, };