| From | Luis Henriques <> | Subject | [PATCH 3.16.y-ckt 063/110] thermal: armada: Update Armada 380 thermal sensor coefficients | Date | Fri, 5 Jun 2015 14:57:46 +0100 |
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3.16.7-ckt13 -stable review patch. If anyone has any objections, please let me know.
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From: Nadav Haklai <nadavh@marvell.com>
commit efa86858e1d8970411a140fa1e0c4dd18a8f2a89 upstream.
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> Signed-off-by: Eduardo Valentin <edubezval@gmail.com> Signed-off-by: Luis Henriques <luis.henriques@canonical.com> --- drivers/thermal/armada_thermal.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/drivers/thermal/armada_thermal.c b/drivers/thermal/armada_thermal.c index 9d1420acb391..e6f1acc71996 100644 --- a/drivers/thermal/armada_thermal.c +++ b/drivers/thermal/armada_thermal.c @@ -240,9 +240,9 @@ 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, };
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