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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 <nadavh@marvell.com>
Signed-off-by: Gregory CLEMENT <gregory.clement@free-electrons.com>
Cc: <stable@vger.kernel.org> #v3.16
Signed-off-by: Eduardo Valentin <edubezval@gmail.com>
This commit is contained in:
Nadav Haklai 2015-04-15 19:08:08 +02:00 committed by Eduardo Valentin
parent e9a90d046b
commit efa86858e1
1 changed files with 3 additions and 3 deletions
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6
drivers/thermal/armada_thermal.c
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@ -224,9 +224,9 @@ static const struct armada_thermal_data armada380_data = {
.is_valid_shift = 10, .is_valid_shift = 10,
.temp_shift = 0, .temp_shift = 0,
.temp_mask = 0x3ff, .temp_mask = 0x3ff,
.coef_b = 1169498786UL, .coef_b = 2931108200UL,
.coef_m = 2000000UL, .coef_m = 5000000UL,
.coef_div = 4289, .coef_div = 10502,
.inverted = true, .inverted = true,
}; };